Limelight Health

Senior Full Stack Engineer Department: Tech - Engineering Employment Type: Full Time Location: Zinc - London Reporting To: Rob Leonard Compensation: £70,000 - £80,000 / year Description We are expanding our engineering team to boost our development capacity and take our product to the next level. As a Senior Full Stack Engineer, you'll play a central role in shaping the technical direction of our platform, building high-quality features, influencing system architecture, and ensuring we deliver a product that's efficient, robust, and a delight for thousands of customers to use. You'll work closely with Product, Design, and customers to deeply understand problems, translate them into elegant technical solutions, and help decide not only what we build but how we build it for long-term success. Key Responsibilities ️ Building powerful features - Design and deliver high-impact solutions that are clean, scalable, and built to last, delighting thousands of customers. Shaping the big picture - Work with Product, Design, and customers to define what we build and how we build it for long-term success. Keeping things running smoothly ️ - Maintain, optimise, and secure our systems so they perform at their best, even at scale. Problem-solving like a pro - Lead the charge on tricky technical challenges, turning complex problems into elegant, maintainable solutions. Mentoring and leading - Support and guide other engineers, sharing knowledge and raising the technical bar for the team. Staying ahead of the game - Keep up with new tools, trends, and best practices, helping us continuously evolve our stack and processes. Owning your work end-to-end - Take full responsibility from initial idea to production, making sure every detail delivers value to users. Skills, Knowledge and Expertise Hard skills Full Stack Development - Advanced skills with Node.js (Express/Nest.js) and modern frontend frameworks like Vue/Nuxt or React/Next, building smooth, scalable experiences end-to-end. TypeScript & JavaScript Mastery - Deep, hands on expertise delivering production grade applications using modern JS/TS best practices. System Design & Architecture ️ - Proven ability to create scalable, maintainable, and high-performance systems that stand the test of time. Database & Cloud ️ - Strong experience with MongoDB and AWS services (Lambda, S3, API Gateway) for robust, cloud-native solutions. DevOps & CI/CD - Skilled at creating and managing pipelines, automated deployments, and infrastructure as code to keep things shipping smoothly. Testing & Quality Assurance - Proficient with tools like Jest and Cypress to ensure quality, reliability, and confidence in every release. Highly Collaborative - Thrives in cross functional teams, working closely with engineers, designers, and product to deliver exceptional results. Product-Minded - Always focused on customer impact, thinking beyond code to how features improve the user experience and meet business goals. Clear Communicator ️ - Able to explain technical decisions simply, provide constructive feedback, and make complex ideas accessible to all stakeholders. Kind & Supportive ️ - Builds a positive, respectful team culture, lifting others up and working with humility and empathy. What we offer Zinc offers a chance to work on a product that brings a fresh perspective on data ownership in hiring 24 days holiday + Bank Holidays + your birthday off £1200 annual benefits allowance (ThanksBen, from month 2) Early finish Fridays (16:00) Yearly company retreat abroad ️ 30 days to work from anywhere Enhanced Maternity, Paternity, and Adoption Leave (2 months full pay, then statutory) Statutory pension with NEST (3% employer, 5% employee) Zinc shares, issued through the EMI Scheme Unlimited access to MoreHappi coaching Company socials, quarterly team socials, free Monday lunches Nursery workplace benefit scheme (Yellownest) Option to lease an electric car through Electric Car Scheme Celebrated Zinc anniversaries

Limelight Health in Liverpool is looking for an Associate Data Base Administrator (DBA) to support the monitoring and maintenance of SQL Server and Azure SQL databases. This entry-level role offers a structured development program with mentoring, allowing growth from an Associate DBA to a fully capable DBA. You will gain hands-on experience while contributing to meaningful work impacting health and care delivery. Ideal candidates have a basic understanding of SQL and a willingness to learn. Flexible benefits and wellbeing support are included to help you succeed.

Description At System C, we are on a mission to transform health and care through technology. Every day, our teams deliver solutions that make a real difference to millions of people, and we are looking for an Associate Data Base Administrator (DBA) to join us at the start of their career journey. This is an exciting entry-level opportunity to build your expertise in database administration while being supported by experienced professionals in a collaborative and forward-thinking environment. What You Will Do Support the monitoring and maintenance of SQL Server and Azure SQL databases Assist with backup and restore processes under guidance Respond to alerts and elevate issues appropriately Maintain documentation and follow security and governance standards Contribute to team activities and on call support as confidence grows Support upgrading SQL server to new versions Assist with deployment activities Work with the agile DBA team to gain an understanding of development and contribute towards performance tuning What You Will Bring A basic understanding of SQL Server or relational databases Awareness of cloud technologies, ideally Microsoft Azure A genuine willingness to learn and develop new technical skills Strong attention to detail and a structured approach to tasks Good communication skills and a team first mindset Why join us You will be part of a structured development programme designed to help you grow from an Associate DBA to a fully capable DBA. With mentoring, funded training, and hands on experience, you will build the skills needed to take ownership of database operations over time. At System C, we believe in working as one team, taking ownership, and always striving to improve. You will be supported to grow both personally and professionally while contributing to meaningful work that impacts health and care delivery. We offer flexible benefits, wellbeing support, and continuous learning opportunities to help you succeed. If you are ready to start your DBA career in a supportive and ambitious environment, apply today and take the next step in your development.

Ekimetrics, a global leader in Marketing Effectiveness and AI-powered solutions, seeks a Data Scientist & Marketing Effectiveness consultant in London. You will contribute to analytics projects for international clients, working with Python, R, SQL, and dashboards to translate model outputs into strategic recommendations. Ideal candidates have 1-3 years of analytics experience, MMM expertise, and a background in statistics or econometrics.

London - Data Scientist & Marketing Effectiveness (MMM) Ekimetrics is a global leader in Marketing Effectiveness and AI-powered solutions. Since 2006, we've been helping businesses optimise marketing and operations by combining AI with business and tech expertise across 4 domains: Marketing Effectiveness, Customer Analytics, Operational Excellence, ESG & sustainability. With a full in house team and offices in Paris, London, New York, Hong Kong, and Shanghai, we deliver tailor made solutions that turn data into real positive impact, leveraging our unique combination of technology and services. We excel at delivering AI impact at scale. Our mission is to harness this power to tackle the world's most urgent issues. We commit to responsibility and frugality in AI, systematic AI impact at scale, and loyalty to our values and DNA. Your responsibilities As a Consultant in Data Science & Marketing Effectiveness, you will contribute to high-quality analytics projects for international clients across industries such as Auto, Beauty, Retail, and Financial Services. You will gain hands on experience in marketing and customer analytics, working closely with senior analysts and managers. Contribute to one major or multiple client projects across our suite of MMM/Data science offerings Clean and prepare data from multiple sources using Python, R, SQL, Excel, or other tools. Conduct analyses related to consumer behaviour, market trends, and campaign performance. Build, maintain, and apply statistical and predictive models, including regression, econometrics, Bayesian methods, and Marketing Mix Modelling (MMM). Develop dashboards, charts, and visualizations to communicate insights effectively to clients and internal teams. Assist in developing marketing strategies and media optimization plans based on model insights. Collaborate with teams to produce client deliverables, ensuring accuracy, quality, and timely delivery. Participate in client meetings and calls under supervision, helping translate analytical outputs into actionable business recommendations and narratives. Collaborate with seniors and managers to define analytical approaches and methodologies Support informed decision making by presenting and explaining findings in client delivery meetings and internal workshops Share best practices within the team and contribute to knowledge-sharing initiatives. Take ownership of your professional development, pursuing certifications and training in analytics, modelling, and programming. Actively participate in office meetings, training sessions, and team initiatives. Champion and role-model our core values: Curiosity, Creativity, Excellence, Transmission, Pleasure. Your profile - Experience & Technical Skills 1-3 years of professional experience in analytics, data science, or marketing effectiveness, including internships or graduate placements. Proven hands on experience with Marketing Mix Modelling (MMM) and related marketing effectiveness methodologies. Bachelor's or Master's degree (or equivalent) in Statistics, Econometrics, Data Science, Economics, Applied Mathematics, Business Analytics, Marketing, or a related analytical field. Strong technical proficiency in Python, R, SQL, or similar analytics tools; experience with Databricks, Azure, or other cloud/data platforms is a plus. Experience or willingness to learn visualisation tools such as PowerBi and Tableau Experience building and maintaining statistical or predictive models to forecast consumer behaviour, campaign performance, and key business metrics Ability to handle and optimize large datasets, ensuring high-quality analyses and actionable insights. Strong working knowledge of Microsoft Excel and PowerPoint. Soft Skills Ability to manage client interactions and support project delivery as an operational-level contact. Strong communication, storytelling, and presentation skills to convey analytical insights clearly. Collaborative, proactive, and capable of mentoring junior team members. Positive, resilient, and results oriented mindset with attention to detail. Curiosity and enthusiasm for learning in a fast paced consultancy environment. Positive, resilient attitude with a solution oriented, results driven mindset and a sense of humour. Why join us? At Ekimetrics, your ideas truly matter. We embrace an entrepreneurial spirit, encouraging you to push boundaries while thriving in a collaborative environment. We believe in enjoying what we do and fostering a safe, inclusive space where you can bring your authentic self. In 2023, Ekimetrics obtained "mission-driven company" status, reflecting our commitment to CSR. Our purpose: Accelerate organisations' transformation towards sustainability through data science and AI. We are proud to have been certified Great Place to Work in France, the UK, and the US, with our Hong Kong office recognised as Best Companies to Work for in Asia 2023 . Ekimetrics is also part of the French Tech 120, selected among the top French scale ups with potential for international leadership. Career development and growth opportunities Lead projects and develop advanced analytical and client-facing skills. Structured career progression from Senior Analyst, Manager, Senior Manager and beyond. Access to Eki.Academy, including solution specific training, Climate School courses, and career development programs. Exposure to international clients, multiple industries, and high impact projects. You will have access to : Salary £40,000-£55,000 + Bonus 10% + Corporate bonus Enter into our generous Bonus scheme, reflecting individual performance and corporate, reducing CO2 Regular events and seminars to connect with colleagues Modern office space in a central London location Flexible hybrid working policy (2 days a week in office + 20 days' work from anywhere, remotely) 25 days annual leave + bank holidays, plus an additional 3 days for tenure Private healthcare, life insurance, and wellbeing support Group pension scheme Opportunities for international mobility and career development As an employer, Ekimetrics offers equal employment opportunities to all, regardless of gender, ethnicity, religion, sexual orientation, social status, disability, or age. Ekimetrics strives to develop an inclusive work environment that reflects diversity within its teams. Individual performance bonus + company performance bonus 40000 - 55000 GBP a year

in Leeds is looking for a Business Analyst to significantly influence data and analytical platforms. You will define requirements from inception to goes live, apply Lean Business Analysis techniques, and document comprehensive user stories. The role offers hybrid working, creative opportunities with data governance, and a wide array of benefits including travel discounts. Previous experience in Agile environments and a strong analytical background are essential.

hackajob is collaborating with to connect them with exceptional professionals for this role. As our new Business Analyst, you'll have a major impact on helping us achieve our goal. Working with our data and analytical platforms, you'll be part of the team that defines and owns the requirements for an initiative from inception to the point it goes live. You'll facilitate stakeholder workshops; display skills in interviewing, effective questioning, and capture valuable output that you can build further analysis on. You'll have access to a wide range of benefits, including: Hybrid working (we're in the office 2 days per week) Colleague discounts on flights Jet2holidays Competitive salary and benefits package (including our discretionary profit share scheme) At and Jet2holidays we're working together to deliver an amazing journey, literally! We work together to really drive forward a 'Customer First' ethos, creating unforgettable package holidays and flights. We couldn't do it without our wonderful people. What You'll Be Doing Aligned to one of our Data Domains (e.g. Customer, Operations, Pricing and Revenue), you will thrive in a fast-paced Agile environment, applying Lean Business Analysis techniques to deliver a wide array of initiatives across technical teams. Identify and document any areas of risk, dependencies, or compliance impacts. Utilise deep questioning techniques with stakeholders to understand exactly how data will be used, ensuring deliverables allow for actionable decision making. Working with the Data Governance team to update and maintain the data catalogue, ensuring definitions remain consistent across the business. Collaborate on the requirements lifecycle, driving elicitation, analysis, and documentation within your designated focus area (Pre Delivery or Delivery). Create Business Process Models and Data Models (e.g. Entity Relationship Diagrams), collaborating with Data Information Architecture to visualise workflows and data structures. Focus Areas Depending on business assignment, the Business Analyst will specialise in one of the following focus areas: Pre Delivery Focus (Product & Portfolio Alignment) Partner closely with Product Managers, Business Stakeholders, and Architects to break down complex portfolio epics and strategic initiatives into smaller, iterative value drops. Champion the translation of high level business concepts into robust functional and non functional requirements, ensuring clarity and business context before technical design begins. Delivery Focus (Agile Release Train (ART) & Engineering Execution) Collaborate closely with delivery teams and business stakeholders to ensure shared understanding of scope and outcomes, using agile ceremonies such as '3 amigos' and 'Refinement' sessions. Own and refine requirements by capturing them as clear, testable user stories and defining acceptance criteria aligned with industry best practices. What You'll Have Strong analytical, problem solving, and critical thinking skills, with the ability to simplify complexity and make the ambiguous clear. Proven experience as a Business Analyst, or a strong background in Data Analysis, or Data Governance, with a desire to apply those skills in a Business Analysis context. Strong understanding of the Data Life Cycle and an appreciation of the intrinsic business value of data. Experience working alongside a development team within a fast paced Agile environment, managing competing workloads, and prioritising appropriately. Familiarity with an array of backlog management tools. A track record in Requirements Engineering, translating high level business needs into clear, documented requirements that support the delivery of robust data products. Hands on experience creating Business Process Models (e.g. UML Activity Diagrams, BPMN) and Data Models (e.g. Entity Relationship Diagrams) to visualise complex flows and structures. Join us as we redefine travel experiences and create memories for millions of passengers. At and Jet2holidays, your potential has no limits. Apply today and let your career take flight!

About Us At Sierra, we're creating a platform to help businesses build better, more human customer experiences with AI. We are primarily an in-person company based in San Francisco, with growing offices in Atlanta, New York, London, Paris, Madrid, Munich, Singapore, Japan, and Sydney. We are guided by a set of values that are at the core of our actions and define our culture: Trust, Customer Obsession, Craftsmanship, Intensity, and Family. These values are the foundation of our work, and we are committed to upholding them in everything we do. Our co-founders are Bret Taylor and Clay Bavor. Bret currently serves as Board Chair of OpenAI. Previously, he was co-CEO of Salesforce (which had acquired the company he founded, Quip) and CTO of Facebook. Bret was also one of Google's earliest product managers and co-creator of Google Maps. Before founding Sierra, Clay spent 18 years at Google, where he most recently led Google Labs. Earlier, he started and led Google's AR/VR effort, Project Starline, and Google Lens. Before that, Clay led the product and design teams for Google Workspace. What You'll Do As a member of our Agent Strategist function at Sierra, you will be responsible for partnering with our Agent Product Managers and Agent Engineers to scope, build, and ship AI agents that handle thousands of customer conversations a day. You'll play a central role in agent development, combining product strategy, conversational design, and customer insight to bring high-quality agents to life. Be a trusted advisor to our customers and drive their AI strategies. Build, design and refine conversational AI agents, gaining direct exposure to how these products are developed and improved. Drive execution and delivery of multiple complex, high-visibility agent development projects. Coordinate across technical and non-technical stakeholders through the full agent development lifecycle process. Ensure clear communication across all stakeholders while developing strong relationships. Contribute data-driven, strategic insights to customers and internal team decisions. What You'll Bring Outstanding Communication Skills: Excellent verbal and written communication skills to convey complex technical information to non-technical stakeholders, fostering collaboration and driving projects forward with clarity. Technical Expertise: Strong understanding of software development, product management and engineering principles, enabling you to act as a strategic partner to customers and internal teams as we turn visionary ideas into agents. Problem-Solving and Analytical Skills: Strong analytical and critical thinking skills to grasp complex concepts, and to identify risks and issues, develop mitigation strategies, and handle unexpected challenges across customer relationships and products. Leadership and Team Management: Proven ability to manage multiple projects simultaneously, leading and inspiring teams to deliver innovative ideas and exceptional agents. Foundational Expertise: Degree in Computer Science, Engineering, Mathematics, a related technical field, or equivalent practical experience that demonstrates comparable expertise is a strong plus. MBA or comparable experience at the intersection of technology and operations is another strong plus. Our Values Trust: We build trust with our customers with our accountability, empathy, quality, and responsiveness. We build trust in AI by making it more accessible, safe, and useful. We build trust with each other by showing up for each other professionally and personally, creating an environment that enables all of us to do our best work. Customer Obsession: We deeply understand our customers' business goals and relentlessly focus on driving outcomes, not just technical milestones. Everyone at the company knows and spends time with our customers. When our customer is having an issue, we drop everything and fix it. Craftsmanship: We get the details right, from the words on the page to the system architecture. We have good taste. When we notice something isn't right, we take the time to fix it. We are proud of the products we produce. We continuously self-reflect to continuously self-improve. Intensity: We know we don't have the luxury of patience. We play to win. We care about our product being the best, and when it isn't, we fix it. When we fail, we talk about it openly and without blame so we succeed the next time. Family: We know that balance and intensity are compatible, and we model it in our actions and processes. We are the best technology company for parents. We support and respect each other and celebrate each other's personal and professional achievements. What We Offer Flexible (unlimited) paid time off Medical, dental, and vision benefits for you and your family Life insurance and disability benefits Retirement plan dependent on country of employment Parental leave Fertility and family building benefits through Carrot Lunch, as well as delicious snacks and coffee to keep you energized Discretionary benefit stipend giving people the ability to spend where it matters most Free alphorn lessons These benefits are further detailed in Sierra's policies, may vary by region, and are subject to change at any time, consistent with the terms of any applicable compensation or benefits plans. Eligible full time employees can participate in Sierra's equity plans subject to the terms of the applicable plans and policies. Be You, With Us We're working to bring the transformative power of AI to every organization in the world. To do so, it is important to us that the diversity of our employees represents the diversity of our customers. We believe that our work and culture are better when we encourage, support, and respect different skills and experiences represented within our team. We encourage you to apply even if your experience doesn't precisely match the job description. We strive to evaluate all applicants consistently without regard to race, color, religion, gender, national origin, age, disability, veteran status, pregnancy, gender expression or identity, sexual orientation, citizenship or any other legally protected class.

About Us At Sierra, we're creating a platform to help businesses build better, more human customer experiences with AI. We are primarily an in-person company based in San Francisco, with growing offices in Atlanta, New York, London, Paris, Madrid, Munich, Singapore, Japan, and Sydney. We are guided by a set of values that are at the core of our actions and define our culture: Trust, Customer Obsession, Craftsmanship, Intensity, and Family. These values are the foundation of our work, and we are committed to upholding them in everything we do. Our co-founders are Bret Taylor and Clay Bavor. Bret currently serves as Board Chair of OpenAI. Previously, he was co-CEO of Salesforce (which had acquired the company he founded, Quip) and CTO of Facebook. Bret was also one of Google's earliest product managers and co-creator of Google Maps. Before founding Sierra, Clay spent 18 years at Google, where he most recently led Google Labs. Earlier, he started and led Google's AR/VR effort, Project Starline, and Google Lens. Before that, Clay led the product and design teams for Google Workspace. What You'll Do As a member of our Agent Strategist function at Sierra, you will be responsible for partnering with our Agent Product Managers and Agent Engineers to scope, build, and ship AI agents that handle thousands of customer conversations a day. You'll play a central role in agent development, combining product strategy, conversational design, and customer insight to bring high-quality agents to life. Be a trusted advisor to our customers and drive their AI strategies. Build, design and refine conversational AI agents, gaining direct exposure to how these products are developed and improved. Drive execution and delivery of multiple complex, high-visibility agent development projects. Coordinate across technical and non-technical stakeholders through the full agent development lifecycle process. Ensure clear communication across all stakeholders while developing strong relationships. Contribute data-driven, strategic insights to customers and internal team decisions. What You'll Bring Outstanding Communication Skills: Excellent verbal and written communication skills to convey complex technical information to non-technical stakeholders, fostering collaboration and driving projects forward with clarity. Technical Expertise: Strong understanding of software development, product management and engineering principles, enabling you to act as a strategic partner to customers and internal teams as we turn visionary ideas into agents. Problem-Solving and Analytical Skills: Strong analytical and critical thinking skills to grasp complex concepts, and to identify risks and issues, develop mitigation strategies, and handle unexpected challenges across customer relationships and products. Leadership and Team Management: Proven ability to manage multiple projects simultaneously, leading and inspiring teams to deliver innovative ideas and exceptional agents. Foundational Expertise: Degree in Computer Science, Engineering, Mathematics, a related technical field, or equivalent practical experience that demonstrates comparable expertise is a strong plus. MBA or comparable experience at the intersection of technology and operations is another strong plus. Our Values Trust: We build trust with our customers with our accountability, empathy, quality, and responsiveness. We build trust in AI by making it more accessible, safe, and useful. We build trust with each other by showing up for each other professionally and personally, creating an environment that enables all of us to do our best work. Customer Obsession: We deeply understand our customers' business goals and relentlessly focus on driving outcomes, not just technical milestones. Everyone at the company knows and spends time with our customers. When our customer is having an issue, we drop everything and fix it. Craftsmanship: We get the details right, from the words on the page to the system architecture. We have good taste. When we notice something isn't right, we take the time to fix it. We are proud of the products we produce. We continuously self-reflect to continuously self-improve. Intensity: We know we don't have the luxury of patience. We play to win. We care about our product being the best, and when it isn't, we fix it. When we fail, we talk about it openly and without blame so we succeed the next time. Family: We know that balance and intensity are compatible, and we model it in our actions and processes. We are the best technology company for parents. We support and respect each other and celebrate each other's personal and professional achievements. What We Offer Flexible (unlimited) paid time off Medical, dental, and vision benefits for you and your family Life insurance and disability benefits Retirement plan dependent on country of employment Parental leave Fertility and family building benefits through Carrot Lunch, as well as delicious snacks and coffee to keep you energized Discretionary benefit stipend giving people the ability to spend where it matters most Free alphorn lessons These benefits are further detailed in Sierra's policies, may vary by region, and are subject to change at any time, consistent with the terms of any applicable compensation or benefits plans. Eligible full time employees can participate in Sierra's equity plans subject to the terms of the applicable plans and policies. Be You, With Us We're working to bring the transformative power of AI to every organization in the world. To do so, it is important to us that the diversity of our employees represents the diversity of our customers. We believe that our work and culture are better when we encourage, support, and respect different skills and experiences represented within our team. We encourage you to apply even if your experience doesn't precisely match the job description. We strive to evaluate all applicants consistently without regard to race, color, religion, gender, national origin, age, disability, veteran status, pregnancy, gender expression or identity, sexual orientation, citizenship or any other legally protected class.

Limelight Health is seeking a Python Developer in London to design and build production-grade APIs and backend services for scalable data platforms. You will collaborate with cross-functional teams to ensure seamless software solutions and participate in code reviews. The ideal candidate will have strong Python skills, experience with client-facing SDKs, and a solid understanding of caching strategies and API optimization.

Join Barclays as a Python Developer, where you will be responsible for designing and building production grade APIs and backend services that support scalable, high performance data platforms. You will develop and maintain client facing SDKs, implement efficient caching strategies, and optimise systems for high throughput and low latency. To Be Successful In This Role, You Should Have Strong Python engineering skills building production grade APIs and backend services (REST/async patterns, testing, packaging). Experience designing and maintaining client facing SDKs (versioning, backward compatibility, documentation, developer usability). Hands on experience building and operating caching layers for performance and scale (e.g. Redis/Memcached; TTLs, eviction, consistency). Additional Highly Valued Skills Include Experience with high throughput, low latency systems and API performance optimisation (profiling, concurrency, async IO). Familiarity with service reliability practices (observability, metrics, error handling, retries, graceful degradation). Experience with cloud native deployment and automation (containers, CI/CD, Infrastructure as Code). Experience working with kdb+ stack. You may be assessed on key critical skills relevant to success in this role, such as risk and controls, change and transformation, business acumen, strategic thinking, and digital and technology skills, as well as job specific technical expertise. This role is based in London. Purpose of the role To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues. Accountabilities Development and delivery of high quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable, maintainable, and optimized for performance. Cross functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives. Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing. Stay informed of industry technology trends and innovations and actively contribute to the organization's technology communities to foster a culture of technical excellence and growth. Adherence to secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions. Implementation of effective unit testing practices to ensure proper code design, readability, and reliability. Assistant Vice President Expectations To advise and influence decision making, contribute to policy development and take responsibility for operational effectiveness. Collaborate closely with other functions/ business divisions. Lead a team performing complex tasks, using well developed professional knowledge and skills to deliver on work that impacts the whole business function. Set objectives and coach employees in pursuit of those objectives, appraisal of performance relative to objectives and determination of reward outcomes. If the position has leadership responsibilities, People Leaders are expected to demonstrate a clear set of leadership behaviours to create an environment for colleagues to thrive and deliver to a consistently excellent standard. The four LEAD behaviours are: L - Listen and be authentic, E - Energise and inspire, A - Align across the enterprise, D - Develop others. OR for an individual contributor, they will lead collaborative assignments and guide team members through structured assignments, identify the need for the inclusion of other areas of specialisation to complete assignments. They will identify new directions for assignments and/ or projects, identifying a combination of cross functional methodologies or practices to meet required outcomes. Consult on complex issues; providing advice to People Leaders to support the resolution of escalated issues. Identify ways to mitigate risk and developing new policies/procedures in support of the control and governance agenda. Take ownership for managing risk and strengthening controls in relation to the work done. Perform work that is closely related to that of other areas, which requires understanding of how areas coordinate and contribute to the achievement of the objectives of the organisation sub function. Collaborate with other areas of work, for business aligned support areas to keep up to speed with business activity and the business strategy. Engage in complex analysis of data from multiple sources of information, internal and external sources such as procedures and practises (in other areas, teams, companies, etc) to solve problems creatively and effectively. Communicate complex information. 'Complex' information could include sensitive information or information that is difficult to communicate because of its content or its audience. Influence or convince stakeholders to achieve outcomes.

About Us At Sierra, we're creating a platform to help businesses build better, more human customer experiences with AI. We are primarily an in-person company based in San Francisco, with growing offices in Atlanta, New York, London, Paris, Madrid, Munich, Singapore, Japan, and Sydney. We are guided by a set of values that are at the core of our actions and define our culture: Trust, Customer Obsession, Craftsmanship, Intensity, and Family. These values are the foundation of our work, and we are committed to upholding them in everything we do. Our co-founders are Bret Taylor and Clay Bavor. Bret currently serves as Board Chair of OpenAI. Previously, he was co-CEO of Salesforce (which had acquired the company he founded, Quip) and CTO of Facebook. Bret was also one of Google's earliest product managers and co-creator of Google Maps. Before founding Sierra, Clay spent 18 years at Google, where he most recently led Google Labs. Earlier, he started and led Google's AR/VR effort, Project Starline, and Google Lens. Before that, Clay led the product and design teams for Google Workspace. What You'll Do As a member of our Agent Strategist function at Sierra, you will be responsible for partnering with our Agent Product Managers and Agent Engineers to scope, build, and ship AI agents that handle thousands of customer conversations a day. You'll play a central role in agent development, combining product strategy, conversational design, and customer insight to bring high-quality agents to life. Be a trusted advisor to our customers and drive their AI strategies. Build, design and refine conversational AI agents, gaining direct exposure to how these products are developed and improved. Drive execution and delivery of multiple complex, high-visibility agent development projects. Coordinate across technical and non-technical stakeholders through the full agent development lifecycle process. Ensure clear communication across all stakeholders while developing strong relationships. Contribute data-driven, strategic insights to customers and internal team decisions. What You'll Bring Outstanding Communication Skills: Excellent verbal and written communication skills to convey complex technical information to non-technical stakeholders, fostering collaboration and driving projects forward with clarity. Technical Expertise: Strong understanding of software development, product management and engineering principles, enabling you to act as a strategic partner to customers and internal teams as we turn visionary ideas into agents. Problem-Solving and Analytical Skills: Strong analytical and critical thinking skills to grasp complex concepts, and to identify risks and issues, develop mitigation strategies, and handle unexpected challenges across customer relationships and products. Leadership and Team Management: Proven ability to manage multiple projects simultaneously, leading and inspiring teams to deliver innovative ideas and exceptional agents. Foundational Expertise: Degree in Computer Science, Engineering, Mathematics, a related technical field, or equivalent practical experience that demonstrates comparable expertise is a strong plus. MBA or comparable experience at the intersection of technology and operations is another strong plus. Our Values Trust: We build trust with our customers with our accountability, empathy, quality, and responsiveness. We build trust in AI by making it more accessible, safe, and useful. We build trust with each other by showing up for each other professionally and personally, creating an environment that enables all of us to do our best work. Customer Obsession: We deeply understand our customers' business goals and relentlessly focus on driving outcomes, not just technical milestones. Everyone at the company knows and spends time with our customers. When our customer is having an issue, we drop everything and fix it. Craftsmanship: We get the details right, from the words on the page to the system architecture. We have good taste. When we notice something isn't right, we take the time to fix it. We are proud of the products we produce. We continuously self-reflect to continuously self-improve. Intensity: We know we don't have the luxury of patience. We play to win. We care about our product being the best, and when it isn't, we fix it. When we fail, we talk about it openly and without blame so we succeed the next time. Family: We know that balance and intensity are compatible, and we model it in our actions and processes. We are the best technology company for parents. We support and respect each other and celebrate each other's personal and professional achievements. What We Offer Flexible (unlimited) paid time off Medical, dental, and vision benefits for you and your family Life insurance and disability benefits Retirement plan dependent on country of employment Parental leave Fertility and family building benefits through Carrot Lunch, as well as delicious snacks and coffee to keep you energized Discretionary benefit stipend giving people the ability to spend where it matters most Free alphorn lessons These benefits are further detailed in Sierra's policies, may vary by region, and are subject to change at any time, consistent with the terms of any applicable compensation or benefits plans. Eligible full time employees can participate in Sierra's equity plans subject to the terms of the applicable plans and policies. Be You, With Us We're working to bring the transformative power of AI to every organization in the world. To do so, it is important to us that the diversity of our employees represents the diversity of our customers. We believe that our work and culture are better when we encourage, support, and respect different skills and experiences represented within our team. We encourage you to apply even if your experience doesn't precisely match the job description. We strive to evaluate all applicants consistently without regard to race, color, religion, gender, national origin, age, disability, veteran status, pregnancy, gender expression or identity, sexual orientation, citizenship or any other legally protected class.

Limelight Health seeks a Senior Security Analyst to enhance security capabilities for UK public sector clients. In this hands-on role, you'll lead threat hunts, develop detection content, and mentor junior analysts on security practices while ensuring compliance with UK public sector standards. The position offers opportunities for influence within a collaborative environment, with benefits including 30 days of paid leave, flexible working hours, and options for part-time remote work.

WHO ARE WE Cognism is the leading provider of European B2B data and sales intelligence. Ambitious businesses of every size use our platform to discover, connect, and engage with qualified decision makers faster and close more deals. Headquartered in London with global offices, Cognism's contact data and contextual signals are trusted by thousands of revenue teams to eliminate the guesswork from prospecting. THE ROLE The Senior Application Security Engineer is a key member of Cognism's Information Security Team, reporting into the Application & Infrastructure Security Manager. Your mission is to embed security by design across our engineering and product organization by integrating modern application security practices throughout the full development lifecycle. We focus on building secure, scalable, and resilient systems while enabling the business to innovate quickly and safely. It is to drive a culture where the fastest path for our engineers is the securest path. You will work closely with Product, Engineering, Architecture, and Data teams to understand risks within our platform, including risks introduced by AI powered features, and ensure the right controls, guardrails, and security patterns are built into the product at its inception - all the while ensuring a balanced approach to the product experience that our thousands of large global enterprise customers use every day. This role is ideal for a senior IC who is technical, collaborative, and pragmatic, with the ability to influence engineering teams while driving hands on improvements to Cognism's secure SDLC. KEY RESPONSIBILITIES Security by Design & Product Integration Partner with Product, Web and Data Engineering teams from the ideation stage to ensure security requirements are considered early in feature and model design. Translate product and application risks into actionable security controls, making recommendations repeatable to build guardrails and guidance that product, design, and engineering teams can apply as they scale and build the products in the teams they own. Help shape security acceptance criteria and guide engineering teams during design reviews and backlog planning. Application Risk Assessment & AI Security Identify and assess application risks across Cognism's SaaS platform, data processing pipelines, including emerging risks associated with AI/ML capabilities. Contribute to AI feature reviews and participate in AI risk assessments to ensure responsible and secure use of models, in a way that balances the need to innovate and challenge the status quo in AI implementation. Assess and pragmatically recommend mitigations for security risks in data pipelines, model-training workflows, feature stores, and ML systems, ensuring strong controls for data access, data lineage, model integrity, and protection of sensitive datasets. Secure SDLC & DevSecOps Enablement Partner with our engineering and platform team to embed security guardrails into our software development lifecycle and agile engineering workflows. Partner with engineering teams to integrate and optimize security tooling into CI/CD pipelines (SAST, SCA, DAST, container scanning, IaC scanning). Drive automation and developer-friendly security processes that minimize friction and support rapid delivery. Threat Modelling & Architecture Support Conduct and facilitate a self-serve, risk-driven approach to pragmatic threat modelling sessions for new features, services, and AI components. Conduct threat modelling for data architectures, including ingestion, transformation, storage, streaming, and ML model deployment patterns, ensuring data confidentiality, integrity, and responsible use. Provide hands on application security guidance to engineering teams, helping them implement secure APIs, microservices, data flows, and integrations. Maintain and expand Cognism's secure coding standards, guidance, and reusable security patterns. Application Security Testing & Engineering Perform hands on security testing (manual and automated) for web applications, microservices, APIs, and cloud components. Plan, coordinate, and oversee penetration tests, red team exercises, and third party security assessments, ensuring findings are addressed and tracked. Validate findings, assist with prioritization, and partner with engineering teams on remediation strategies. Collaboration, Education & Influence Work directly with product squads, acting as a trusted advisor and embedded security partner. Take the time to understand what other teams are working on, what business priorities are, and partner with teams to recommend risk mitigations that balance risk with opportunity and that take into account the threat landscape. Deliver security training, workshops, and guidance to improve engineering teams' security maturity. Communicate security risk and tradeoffs clearly and constructively to technical and nontechnical stakeholders. CORE COMPETENCIES Strong technical depth in application security, cloud security, and secure development. Understanding of modern data stack components (e.g., data pipelines, feature stores) and the ability to collaborate effectively with data practitioners. Deep understanding of communication protocols used for web development is a must-have. Hands on experience with web application development, specifically for back end development is a must have competency. Risk-Based Prioritization: Ability to distinguish between theoretical security risks and actual business threats, demonstrating a "risk-driven" rather than "compliance-driven" mindset. Comfortable balancing security risk with product and commercial realities. Contextual Communication: Capacity to translate complex technical vulnerabilities into business impact stories that resonate with non technical stakeholders and product owners. Collaborative Conflict Resolution: Proven track record of approaching engineering friction with transparency and pragmatism, balancing a firm stance on security with a deep care for the developer experience. Pragmatic problem solver with a growth mindset and bias toward action. Architectural Empathy: Ability to put yourself in the position of your users (the engineers) to build security guardrails that are repeatable and embedded into existing workflows rather than added as hurdles. EDUCATION & EXPERIENCE 5-10+ years of experience in Application Security, Product Security, or Security Engineering roles. Strong experience securing cloud native SaaS platforms (AWS preferred) and Data pipelines. Hands on experience with secure coding, application testing, and CI/CD security automation. Experience working closely with engineering and product teams in agile environments. Familiarity with security frameworks such as OWASP ASVS, OWASP Top 10, NIST, ISO 27001/2. Experience evaluating and securing AI/ML enabled features is a strong advantage. Experience in SME or high growth SaaS environments preferred. WHY COGNISM At Cognism, we're not just building a company - we're building an inclusive community of brilliant, diverse people who support, challenge, and inspire each other every day. If you're looking for a place where your work truly makes an impact, you're in the right spot! Our values aren't just words on a page-they guide how we work, how we treat each other, and how we grow together. They shape our culture, drive our success, and ensure that everyone feels valued, heard, and empowered to do their best work. Here's what we stand for: We Own the Outcome Together. We Deeply Understand our Customers. We Celebrate Impact Wherever It Comes From. At Cognism, we are committed to fostering an inclusive, diverse, and supportive workplace. We welcome applications from individuals typically underrepresented in tech, so if this role excites you but you're unsure if you meet every requirement, we encourage you to apply!

Limelight Health is looking for a Senior Application Security Engineer to join their team in Greater London. You will embed security by design across the organization, working closely with engineering and product teams to embed security tools into the development lifecycle. The ideal candidate will have 5-10+ years in Application Security, expertise in securing cloud-native platforms, and hands-on coding experience. The role supports rapid innovation while maintaining robust security practices.

Head of Product Security - BPL CISO Product Security CISO Function Department: CISO Function - Product Security Reports To: Chief Information Security Officer (CISO) The Head of Product Security leads the pillar responsible for ensuring everything the company builds and ships is secure by design. This is the most agile facing pillar in the CISO function - it must embed into product squads without becoming a bottleneck, own the shift left programme, manage the developer security toolchain, and provide assurance that releases meet the organisation's security and compliance requirements. The role requires a blend of technical depth, developer empathy, and pragmatic risk management. The ideal candidate is someone who understands application security at a hands on level, has run a security champions programme in an agile engineering organisation, and knows how to make security a service that engineering teams want to use rather than a gate they try to avoid. You will work more closely with engineering leadership than with regulators - this is a builder's role, not an auditor's role. Key Responsibilities Own and drive the shift left security programme, ensuring security is integrated into the earliest stages of the software development lifecycle through threat modelling, secure design patterns, and automated tooling. Manage the security champions programme, recruiting, training, and supporting champions across all product squads. Own the developer security toolchain (SAST, DAST, SCA, secrets scanning) and ensure it is integrated into all CI/CD pipelines with minimal developer friction and calibrated thresholds to avoid noise. Establish and operate the vulnerability management lifecycle, including scanning orchestration, triage, prioritisation, SLA assignment, remediation tracking, and exception management. Chair the weekly Vulnerability Review Board, making prioritisation decisions on critical and high severity findings in collaboration with engineering leads. Define and publish the security engagement model for product and engineering teams, including trigger points (new service, new integration, pre release), SLAs and escalation paths. Oversee threat modelling for new services and major changes, ensuring threat models are completed before development progresses beyond initial design. Own the security sign off process for production releases, providing risk based release decisions (approved, approved with conditions, deferred, escalated) rather than binary pass/fail gates. Provide self service security capabilities to product teams: threat model templates, security stories backlog, secure coding guides, and accessible tooling documentation. Produce security assurance reporting for the CISO, including vulnerability trends, SDLC integration metrics, champion programme health, and developer satisfaction with security. Collaborate with Security Architecture and Engineering on the "paved road" of secure defaults, patterns, and base images that product teams build upon. Manage and develop the Product Security team, balancing deep technical capability with developer relations skills. Key Deliverables Security champions programme with training curriculum, monthly meetup cadence, and recognition framework. Developer security toolchain fully operational and integrated into 100% of CI/CD pipelines. Vulnerability management dashboard with SLA tracking, ageing analysis, and trend reporting. Product security engagement model document (trigger points, SLAs, outputs, escalation paths). Security release certification process with standardised decision framework. Monthly product security report for CISO (vulnerability trends, tooling adoption, champion coverage, developer satisfaction). Threat model register with completion tracking and findings remediation status. Secure coding standards documentation for all primary programming languages. Developer security training curriculum and workshop materials. Required Skills And Experience CSSLP, OSCP, or similar certifications. Experience with PCI Software Security Framework (SSF) and its application to payment processing software. Previous career as a software engineer or developer before moving into security - you understand the developer experience from the inside. Experience with bug bounty programme management. Payments acquiring, FinTech, E Pay - application security experience. Contributions to open source security tools, OWASP projects, or published security research. Experience with security tooling for Kubernetes native applications. Several years of progressive experience in application security or product security, with a number of years in a leadership role managing a product security or AppSec team. Deep understanding of modern application security: OWASP Top 10, API security (REST, gRPC, GraphQL), microservices security, container security, and secure coding practices. Proven experience building and running a security champions programme in an agile engineering organisation. Hands on experience with SAST, DAST, SCA, and secrets scanning tools and their integration into CI/CD pipelines (Jenkins, GitLab CI, GitHub Actions, or equivalent). Experience managing a vulnerability management programme with defined SLAs, exception processes, and stakeholder reporting across multiple engineering teams. Strong developer empathy - demonstrable ability to work with engineering teams as a partner, not an adversary. Ideally you have a software development background yourself. Experience operating a security function within agile or DevOps delivery models, including sprint aligned engagement and security backlog management. Understanding of PCI DSS software security requirements and their practical application in a cloud native, microservices environment. Experience with threat modelling frameworks (STRIDE, PASTA, attack trees) and their application to modern architectures. Strong communication skills for influencing engineering leadership, presenting to executives, and writing clear guidance for developers.

Barclays is seeking a DFIR Lead Cyber Operations Analyst located in Knutsford. In this VP-level position, you will play a crucial role in enhancing the bank's cyber defense through digital forensics and incident response. The ideal candidate will have a strong background in cyber forensics and incident management, with excellent communication skills and the ability to lead under pressure. Responsibilities include managing security systems and collaborating with internal teams and external partners.

hackajob is collaborating with Verisk to connect them with exceptional professionals for this role. Description Whitespace, a Verisk business, is a specialist technology company focused on building modern, scalable platforms that support data driven decision making across the insurance and risk markets. As part of Verisk, we combine the agility and innovation of a focused tech business with the scale, stability, and global reach of a leading data analytics organisation. We are looking for an experienced Principal Architect to play a key role in shaping the future of our technology platforms. This is a senior, hands on architecture role where you will influence technical direction, guide engineering teams, and design robust software systems that support a growing, modern SaaS environment. You will work closely with engineers, analysts, and senior stakeholders to translate business needs into scalable, secure, and high performing solutions. You will also take ownership of reviewing existing systems, identifying opportunities to simplify, refactor, and improve performance and reusability. This is an opportunity to have real impact across our platform and help drive architectural excellence across the organisation. Responsibilities System Design & Architecture: As a Principal Architect you will lead the design and development of scalable, reliable, and secure software architectures. Translate business requirements into technical solutions that align with company goals and industry best practices. Technical Leadership: Provide technical guidance and mentorship to engineers, ensuring adherence to architecture standards and best practices. Lead code reviews, technical discussions, and decision-making processes. Create technical designs for new features to enable work to be distributed across engineers and tracked. Collaboration: Work closely with analysts, engineers, and other stakeholders to understand system requirements, constraints, and objectives. Ensure the architecture supports future growth and flexibility. You will be expected to gain a deep understanding of how the Platform works to help steer the best outcomes for new feature delivery. Technology Selection: Evaluate and recommend appropriate technologies, frameworks, and tools for software development, ensuring that the system is innovative and cost-effective. Quality Assurance: Ensure software designs and implementations follow best practices, coding standards, and appropriate testing methodologies. Guarantee high performance, security, and scalability of the architecture. Documentation & Communication: Create clear, comprehensive, and maintainable documentation for system architectures, workflows, and technical specifications. Communicate effectively with non-technical stakeholders to ensure understanding of architectural decisions. Continuous Improvement: Stay updated on emerging technologies and industry trends to keep our systems modern and ahead of the competition. Drive innovation and continuous improvement in software architecture and development processes. Qualifications Degree in Computer Science, Software Engineering, or a related field Many years of experience in software development at a senior or principal level Proven experience designing and delivering complex systems, ideally within a SaaS environment Strong, hands on experience with Swift, which is essential for this role Experience working with modern languages and frameworks such as TypeScript, JavaScript, Node.js, and Angular Deep understanding of software architecture principles, patterns, and design methodologies Experience with cloud platforms such as Azure, AWS, or GCP Strong knowledge of microservices and distributed systems Experience with relational and NoSQL databases Familiarity with DevOps practices including CI/CD, Docker, and Kubernetes Experience working in Agile environments A strong focus on quality, performance optimisation, and high availability systems

Limelight Health is seeking an experienced Principal Architect to influence the technical direction of their products. In this hands-on role based in Greater London, you will design robust software systems in a modern SaaS environment and collaborate closely with engineers and stakeholders. The ideal candidate will have extensive experience with software development, particularly in Swift, and be proficient in design methodologies and cloud platforms. Join us to drive architectural excellence within our organization.

hackajob is collaborating with Barclays to connect them with exceptional professionals for this role. Join Barclays as a DFIR Lead Cyber Operations Analyst, a VP-level role at the centre of the bank's cyber defence, delivering advanced digital forensics and incident response. You will analyse malware, malicious samples and network activity to support complex investigations, working closely with internal teams, external partners and law enforcement. This is a highly technical, hands on position suited to an experienced cyber or digital forensics professional, with passion for deep investigation, and the ability to produce clear, high quality reporting in a fast paced, high pressure environment. Please note that this role includes an on call support rotation. Occasional additional support may be required, including extended hours and weekend work. To be successful in this role, you will need the following: Digital forensics and incident response expertise, including host, network, cloud and live forensic analysis, supported by rigorous documentation practices. Excellent written and verbal communication skills, with the ability to clearly articulate complex technical findings to senior stakeholders and non-technical business teams. Proven leadership under pressure, including coordinating investigations, managing cross functional stakeholders, and operating effectively within a regulated banking environment. Some Other Highly Valued Skills May Include Cloud investigation experience across platforms such as AWS, Azure, or Google Cloud. Scripting and automation capabilities, using languages such as Python, PowerShell, Bash, or JavaScript. Relevant industry certifications, such as GCFA, GNFA, GCFE, or GREM. You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change and transformation, business acumen, strategic thinking and digital and technology, as well as job specific technical skills. The successful candidate will be based in Knutsford (Radbroke Hall). Purpose of the role To monitor the performance of operational controls, implement and manage security controls and consider lessons learned in order to protect the bank from potential cyber attacks and respond to threats. Accountabilities Management of security monitoring systems, including intrusive prevention and detection systems, to alert, detect and block potential cyber security incidents, and provide a prompt response to restore normal operations with minimised system damage. Identification of emerging cyber security threats, attack techniques and technologies to detect/prevent incidents, and collaborate with networks and conferences to gain industry knowledge and expertise. Management and analysis of security information and event management systems to collect, correlate and analyse security logs, events and alerts/potential threats. Triage of data loss prevention alerts to identify and prevent sensitive data for being exfiltrated from the bank's network. Management of cyber security incidents including remediation & driving to closure. Vice President Expectations To contribute or set strategy, drive requirements and make recommendations for change. Plan resources, budgets, and policies; manage and maintain policies/processes; deliver continuous improvements and elevate breaches of policies/procedures. If managing a team, they define jobs and responsibilities, planning for the department's future needs and operations, counselling employees on performance and contributing to employee pay decisions/changes. They may also lead a number of specialists to influence the operations of a department, in alignment with strategic as well as tactical priorities, while balancing short and long term goals and ensuring that budgets and schedules meet corporate requirements. If the position has leadership responsibilities, People Leaders are expected to demonstrate a clear set of leadership behaviours to create an environment for colleagues to thrive and deliver to a consistently excellent standard. The four LEAD behaviours are: L - Listen and be authentic, E - Energise and inspire, A - Align across the enterprise, D - Develop others. OR for an individual contributor, they will be a subject matter expert within own discipline and will guide technical direction. They will lead collaborative, multi year assignments and guide team members through structured assignments, identify the need for the inclusion of other areas of specialisation to complete assignments. They will train, guide and coach less experienced specialists and provide information affecting long term profits, organisational risks and strategic decisions. Advise key stakeholders, including functional leadership teams and senior management on functional and cross functional areas of impact and alignment. Manage and mitigate risks through assessment, in support of the control and governance agenda. Demonstrate leadership and accountability for managing risk and strengthening controls in relation to the work your team does. Demonstrate comprehensive understanding of the organisation functions to contribute to achieving the goals of the business. Collaborate with other areas of work, for business aligned support areas to keep up to speed with business activity and the business strategies. Create solutions based on sophisticated analytical thought comparing and selecting complex alternatives. In-depth analysis with interpretative thinking will be required to define problems and develop innovative solutions. Adopt and include the outcomes of extensive research in problem solving processes. Seek out, build and maintain trusting relationships and partnerships with internal and external stakeholders in order to accomplish key business objectives, using influencing and negotiating skills to achieve outcomes. All colleagues will be expected to demonstrate the Barclays Values of Respect, Integrity, Service, Excellence and Stewardship - our moral compass, helping us do what we believe is right. They will also be expected to demonstrate the Barclays Mindset - to Empower, Challenge and Drive - the operating manual for how we behave.