62 jobs found

Principal Software Engineer C++ Python Linux Oxfordshire Hybrid £65,000pa plus benefits: Do you enjoy technically leading and mentoring a team of Software Engineers utilising C++ & Python on Linux, passing on your knowledge and experience to help nurture and develop future Engineers? If so, this Principal Software Engineer role will be perfect for you. Our client has seen rapid growth over the last few years, and to help develop their talented team of Software Engineers, they now seek a Principal Software Engineer who can technically lead, mentor and develop during an exciting period of innovation. On a day-to-day basis you will develop and support software applications and drivers for a range of products. You will be technically responsible for ensuring projects meet internal and external customer requirements and completing concept designs through to production. The successful Principal Software Engineer will need the following qualification, experience and skills: A degree in a Software Engineering, Mathematics or Science/Materials subject Experience in ARM based software developments using C / C++ Experience with network and other communications buses. Experience with tools such as CMake, GIT (or other source code control system), a bug or issue tracking system, and debuggers Experience of developing complex software applications Experience developing control systems Python Distributed systems Database interaction / SQL queries Cloud infrastructure (e.g. Azure / AWS) Our client is offering a hybrid working arrangement with 3 days in their offices and 2 days from home. There is flexible start and finish times so you can plan your day around your preferred hours. For more information on the client, products, career development, benefits etc, please send MARS a copy of your CV or drop Lee Cherrill a linkedin connection request or contact him through the MARS Recruitment website. MARS Recruitment is an equal opportunities employer and positively welcomes applications from suitably qualified applicants regardless of race, colour, sex, marital status, national origin, religion, age, disability, or any other protected status. Suitable candidates for the role will be contacted within 3 working days, unfortunately if you haven t heard back in this time your application has been unsuccessful at this time. MARS Recruitment is a specialist Engineering & IT recruiter working in partnership with companies across the UK and offers services of both an Employment Business (for Temporary/Contract roles) and an Employment Agency (for Permanent roles).

Salary: Up to £85,000 per annum (DOE) Hybrid: Mostly Remote, may require some travel to London office, up to 1 day p/w Location: Central London About the Role and Client Join a leading IT Consultancy as a Lead Full Stack Developer. You will take end-to-end ownership of technical delivery within your team, ensuring high-quality, scalable solutions that align with both product goals and engineering standards. You will be working closely with the Principal Developer, other Lead Developers, and Engineering Managers to ensure your team's work contributes to a consistent and scalable wider strategy. Key Responsibilities Lead and mentor your team in full stack development, fostering technical excellence and continuous learning. Own technical delivery within your team while working with the Principal Developer, other Lead Developers, and Engineering Managers on architecture, tooling, and overall engineering strategy. Develop and maintain server-side logic and user-facing features, ensuring applications meet high standards for quality, scalability, and security. Collaborate with Product Managers and UI/UX Designers to translate requirements into technical solutions that effectively balance feasibility, user experience, and business value. Optimise applications for performance and scalability by identifying and implementing targeted improvements. Integrate AI technologies into products (e.g., AI-powered features, automation) and leverage AI-assisted tools to boost productivity and quality. Essential Requirements Strong full stack development skills, with proficiency in modern front-end frameworks (e.g., React, Angular, Vue.js) and back-end languages (e.g., Node.js, Python, Java). Hands-on experience with databases (SQL and NoSQL), cloud platforms (Azure/AWS), containerisation (Docker), and CI/CD pipelines. Experience implementing AI in a business context-such as integrating AI APIs/services, developing AI-powered features, or utilizing AI-assisted development tools (e.g., GitHub Copilot). Thorough understanding of UI/UX feasibility, responsive design, and creating user-friendly applications. Solid grasp of testing, debugging, and optimization practices across the stack. To be considered, please ensure you complete your application on the Computappoint website. Services offered by Computappoint Limited are those of an Employment Business and/or Employment Agency in relation to this vacancy.

Who We Are BCG Expand is a specialist firm providing unique data-driven business intelligence as a trusted advisor to senior executives across the world's leading financial services firms to help them to operate more effectively. Expand's activities are focused on data benchmarking in technology, operations, FinTech and market data, with expertise around strategic cost and human resourcing benchmarking in wholesale finance. Founded in 2001 as an independent research boutique, Expand is a wholly owned subsidiary of the Boston Consulting Group, headquartered in London and with offices in Singapore and New York. At Expand we're proud of our friendly, inclusive and authentic team. It takes diversity of thought, culture, background and perspective to drive a global growing business, understand our clients' needs and maintain our professional, supportive and entrepreneurial working culture that we all enjoy. What You'll Do We're looking for a highly skilled Principal Engineer with a passion for data, cloud technologies, and building robust, scalable solutions - who also brings strategic product thinking and cross-functional leadership . In this role, you'll not only lead the design and implementation of the data infrastructure that powers advanced analytics and data science across our platforms, but also contribute to the strategic direction, roadmap, and execution of data products in collaboration with senior stakeholders. Architect & Build Scalable Data Solutions Collaborate closely with senior product stakeholders to understand data needs and architect end-to-end ingestion pipelines Design and build robust ETL/ELT processes and data architectures using modern tools and techniques Lead database design, data modelling, and integration strategies to support analytics at scale Drive Data Integration & Management Design and implement secure, scalable, and efficient data ingestion frameworks across structured, semi-structured, and unstructured data Partner with product owners and engineers to develop data exchange protocols, ensuring best practices in data governance and security Create and manage hybrid cloud data environments and support data pipelines for big data platforms Product Strategy & Execution Contribute to the strategy and vision for our data products, helping to define and evolve product roadmaps from launch through scale Oversee day-to-day execution of product initiatives across cross-functional teams Lead by example to help foster a high-performing, collaborative, and agile culture Proactively identify and mitigate business, operational, and governance risks Provide clear, data-driven updates on product performance and technical milestones to stakeholders Collaborate Across Disciplines Work together with data scientists to understand analytical needs and curate high-quality data sets Map data fields to business hypotheses, wrangle data, and ensure datasets are model-ready Contribute to a cross-functional engineering culture with a focus on quality, automation, and continuous improvement Ensure Secure & Compliant Practices Apply strong knowledge of information security principles to ensure compliant handling of sensitive client data Build and deploy solutions with security, maintainability, and scalability top of mind What You'll Bring An ideal candidate will have: Proven experience in a hands-on technical role delivering impact through data engineering, software development, or analytics Demonstrated success in launching and scaling technical products or platforms Strong programming skills in at least two of the following: Python, SQL, Java Commercial experience in client-facing projects is a plus, especially within multi-disciplinary teams Deep knowledge of database technologies: Distributed systems (e.g., Spark, Hadoop, EMR) RDBMS (e.g., SQL Server, Oracle, PostgreSQL, MySQL) NoSQL (e.g., MongoDB, Cassandra, DynamoDB, Neo4j) Solid understanding of software engineering best practices - code reviews, testing frameworks, CI/CD, and code maintainability Experience deploying applications into production environments, including packaging, monitoring, and release management Ability to extract insights from complex and disparate data sets and communicate clearly with stakeholders Hands-on experience with cloud platforms such as AWS, Azure, or GCP Familiarity with traditional ETL tools (e.g., Informatica, Talend, Pentaho, DataStage) and data warehousing concepts Strong understanding of data security, compliance , and governance best practices Experience leading or influencing cross-functional teams in a product or platform environment Strong stakeholder management and communication skills Additional info At Expand we're proud of our inclusive, diverse and authentic team. It takes diversity of thought, culture, background and perspective to drive a global growing business, understand our clients' needs and create a welcoming culture for us all to enjoy. Studies have shown that women and people of colour are less likely to apply for jobs unless they meet every single qualification, so if you're excited about this role but your experience doesn't align perfectly with every qualification in the job description, we encourage you to apply anyway. If you're a quick learner, conscientious and friendly, you might be just the person we're looking for. Boston Consulting Group is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, age, religion, sex, sexual orientation, gender identity / expression, national origin, disability, protected veteran status, or any other characteristic protected under national, provincial, or local law, where applicable, and those with criminal histories will be considered in a manner consistent with applicable state and local laws. BCG is an E - Verify Employer. Click here for more information on E-Verify.

PRINCIPAL SOFTWARE DEVELOPER - SC CLEAREDBRAND NEW PERMANENT OPPORTUNITY AVAILABLE WITHIN A LEADING COMPANY FOR A PRINCIPAL SOFTWARE DEVELOPER WITH SC CLEARANCE Permanent opportunity for a Principal Software Developer with enhanced SC Clearance, eligible for DV Clearance Industry leading company supporting UK national security projects. Salary up to £95,000 DOE Manchester based in an easily accessible location. To apply please call or email WHO ARE WE?We are recruiting Lead/ Principal Software Developers with a wide variety of experience to work with an industry-leading cyber/National Security/defence client with office locations in and around Manchester. The expertise of our engineers drives us forward, and we're looking for talented individuals to join us. Due to the nature of these clients, you must hold SC Clearance and be eligible to obtain DV Clearance to work on National Security projects. WE NEED THE PRINCIPAL SOFTWARE DEVELOPER TO HAVE . SC Cleared and eligible and willing to undergo DV clearance. Proficient in a range of modern programming languages, including Java, Python or Go Hands-on experience with AWS and associated cloud technologies. Proficient in Kubernetes and containerisation practices. Familiar with Agile and Scrum methodologies. Strong communication, cross-functional collaboration, and stakeholder engagement skills. Willing to travel across the UK as required by business needs. TO BE CONSIDERED .Please either apply by clicking online or emailing me directly to For further information please call me on . I can make myself available outside of normal working hours to suit from 7am until 10pm. If unavailable, please leave a message and either myself or one of my colleagues will respond. By applying for this role, you give express consent for us to process & submit (subject to required skills) your application to our client in conjunction with this vacancy only. Also feel free to connect with me on LinkedIn, just search Laura Jackson. I look forward to hearing from you. PRINCIPAL SOFTWARE DEVELOPER - SC CLEAREDKEY SKILLS:SOFTWARE ENGINEER/ DEVOPS/ FULL STACK/ PYTHON/ JAVA/ GO/ KUBERNETES/ CLOUD FORMATION/ TERRAFORM/ DEVOPS/ DV CLEARED / DV CLEARANCE / DEVELOPPED VETTING / DEVELOPED VETTED / DEEP VETTING / DEEP VETTED / SC CLEARED / SC CLEARANCE / SECURITY CLEARED / SECURITY CLEARANCE

Principal Quantitative Engineer - SOLE AGENT An exciting opportunity to join a world-class investment environment, driving innovation at the intersection of finance and technology. As Principal Quantitative Engineer, you will shape in-house data capabilities, enhance financial modelling, and directly influence high-value investment decisions. The Role You'll design and implement a robust data warehouse, integrating diverse financial datasets into a scalable platform. Your work will support advanced modelling, analytics, and automated reporting - enabling investment teams to operate with speed, accuracy, and insight. This is a highly visible role where your solutions will have a lasting impact on strategy and performance. What You'll Bring Strong programming and database expertise (SQL, Snowflake, Spark, or similar) Python Experience in financial products (bank loans, leveraged loans, Fixed Income, CLOs, derivatives, ABS, CMBS). Proven knowledge of data modelling, architecture design, and governance. Familiarity with visualization tools (Tableau, Power BI) or Intex is a plus. A proactive, collaborative approach with a passion for problem-solving. Why Apply Play a key role in shaping next-generation quantitative infrastructure. Influence strategic decisions in a high-performing global investment setting. Drive innovation in asset-backed investment analytics and modelling. Long-term career potential with significant visibility and impact. If you're a driven Quantitative Engineer looking to apply your skills in a fast-paced investment environment, we would love to hear from you.

Proven experience working as a principal or lead data engineer Strong background working with large datasets, with proficiency in SQL, Python, and PySpark Experience managing and mentoring engineers with varying levels of experience I'm currently working with a leading insurance broker who is looking to hire a Lead Azure Data Engineer on an initial 12-month fixed-term contract, with strong potential for extension. This is a great opportunity for an experienced Data Engineer to take on a leadership role, mentoring a small team of junior engineers while playing a key part in driving the development of an Azure-based data lakehouse. Key requirements: Proven experience working as a principal or lead data engineer Strong background working with large datasets, with proficiency in SQL, Python, and PySpark Experience managing and mentoring engineers with varying levels of experience Hands-on experience deploying pipelines within Azure Databricks, ideally following the Medallion Architecture framework Hybrid working: Minimum two days per week on-site in London. If this sounds like something you'd be interested in, please don't hesitate to get in touch for more details. Thanks,Oliver

Principal Platform Engineer London / WFH to £150k Are you a technologist with start-up experience and a first class education looking for a new opportunity? You could be joining a small Fintech start-up run by small, successful and proven team of finance technology entrepreneurs, backed by Silicon Valley investors, as they build out the product, currently in stealth mode. As a Principal Platform Engineer you'll have an impactful role with lots of influence. Initially you'll assess the current tech set up based on GCP, Python, TypeScript, PostgreSQL and Terraform; establish the production environment and extend the platform to enable scalability. You'll collaborate closely with the CTO and Lead Software Engineer to establish and build systems from scratch and will build a team of high performing engineers, progressing quickly to Head of Technology. Location / WFH: You'll be based in Central London, with flexibility to work from home twice a week. About you: You have experience in a similar Principal Platform Engineer role within start-up / scale-up environments with strong commercial acumen You have achieved a 2.1 or above BSc from a well renowned top world university, e.g. Russel Group, Ivy League in a relevant technical discipline You have experience in a FAANG company You have a software engineering background with a strong knowledge of modern best practices, architecture and design experience You have strong, current technical skills including: GCP, Python, TypeScript, PostgreSQL and Terraform You're collaborative and pragmatic with strong leadership and stakeholder management skills You have experience of building teams and developing people What's in it for you: Starting salary of £150k Equity Apply now to find out more about this Principal Platform Engineer opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

Principal Data Engineer - Winchester/London (Hybrid) - £84,000 + 10% bonus 1-2dpw in office Greenfield Enterprise Data Platform Build Flexible Working Private Medical Ada Meher are working with the market leader in Digital Telecommunication & Broadcasting technology solutions as they recruit for a Principal Data Engineer to join them on their migration project from on-prem to an AWS based Enterprise Data Platform. The successful candidate will be working hands on with batch and streaming pipelines, designing systems from scratch and taking a more strategic view of the future roadmap.The business are flexible in nature, with a commitment to work-life balance that allows employees to work the hours that suit them around life's other commitments. They are results focused but do ask for a presence in either the Winchester or Central London offices 1-2 days a week - based business need. To Be Considered: Demonstrable expertise and experience working on large-scale Data Engineering projects Strong experience in Python/PySpark, Databricks & Apache Spark Hands on experience with both batch & streaming pipelines Strong experience in AWS and associated tooling (Eg, S3, Glue, Redshift, Lambda, Terraform etc) Experience designing Data Engineering platforms from scratch Alongside their commitment to work-life balance the business also has an extremely competitive benefits package including, but not limited to, Private Medical, enhanced pension contributions & wellness/gymflex programmes.We are expecting a strong response to this Principal Data Engineer role, so please apply send a CV in to today to avoid missing out!

Principal Data Engineer - Winchester/London (Hybrid) - £84,000 + 10% bonus 1-2dpw in office Greenfield Enterprise Data Platform Build Flexible Working Private Medical Ada Meher are working with the market leader in Digital Telecommunication & Broadcasting technology solutions as they recruit for a Principal Data Engineer to join them on their migration project from on-prem to an AWS based Enterprise Data Platform. The successful candidate will be working hands on with batch and streaming pipelines, designing systems from scratch and taking a more strategic view of the future roadmap.The business are flexible in nature, with a commitment to work-life balance that allows employees to work the hours that suit them around life's other commitments. They are results focused but do ask for a presence in either the Winchester or Central London offices 1-2 days a week - based business need. To Be Considered: Demonstrable expertise and experience working on large-scale Data Engineering projects Strong experience in Python/PySpark, Databricks & Apache Spark Hands on experience with both batch & streaming pipelines Strong experience in AWS and associated tooling (Eg, S3, Glue, Redshift, Lambda, Terraform etc) Experience designing Data Engineering platforms from scratch Alongside their commitment to work-life balance the business also has an extremely competitive benefits package including, but not limited to, Private Medical, enhanced pension contributions & wellness/gymflex programmes.We are expecting a strong response to this Principal Data Engineer role, so please apply send a CV in to today to avoid missing out!

DV Cleared Data Engineers - Manchester - AWS or Azure - Senior / Principal We're supporting a leading global consultancy with the expansion of their secure data engineering team, and we're looking for DV Cleared Data Engineers to join major projects in Manchester. If you hold active DV clearance and want to work on cutting-edge, mission-critical programmes in a highly collaborative technical environment, this is an excellent opportunity. They are considering Data Engineers at all levels from Junior up to Principal Data Engineer. What You'll Be Doing Designing and delivering secure, high-performance data pipelines and analytics platforms Working across AWS or Azure environments, building scalable, reliable data solutions Collaborating with cross-functional teams including engineers, data scientists, and architects Playing a hands-on role in end-to-end solution design, delivery, and optimisation Contributing to major national infrastructure and security programmes with real impact What We're Looking For Active DV clearance (essential) Strong background in data engineering, ETL, and data pipeline development Experience with AWS or Azure cloud technologies Excellent coding skills in Python, SQL, or Scala Understanding of data warehousing, modelling, and streaming technologies Confident working in agile, fast-paced technical teams Locations Manchester - (Hybrid model - typically 3 days per week on site) Salary range £36,000 - £90,000 + bonus + benefits Why Apply Work on secure, high-impact national projects with real purpose Join a consultancy with strong growth and technical innovation Excellent benefits, bonuses, and structured career progression Quick process - interview next week Interested? If you're a DV Cleared Data Engineer ready for your next challenge, apply directly or message me in confidence.

DV Cleared Data Engineers - Bristol - AWS or Azure - All levels We're supporting a leading global consultancy with the expansion of their secure data engineering team, and we're looking for DV Cleared Data Engineers to join major projects in Bristol. If you hold active DV clearance and want to work on cutting-edge, mission-critical programmes in a highly collaborative technical environment, this is an excellent opportunity. They are considering all levels from Junior Data Engineers to Principal - as long as you hold DV Clearance What You'll Be Doing Designing and delivering secure, high-performance data pipelines and analytics platforms Working across AWS or Azure environments, building scalable, reliable data solutions Collaborating with cross-functional teams including engineers, data scientists, and architects Playing a hands-on role in end-to-end solution design, delivery, and optimisation Contributing to major national infrastructure and security programmes with real impact What We're Looking For Active DV clearance (essential) Strong background in data engineering, ETL, and data pipeline development Experience with AWS or Azure cloud technologies Excellent coding skills in Python, SQL, or Scala Understanding of data warehousing, modelling, and streaming technologies Confident working in agile, fast-paced technical teams Locations Bristol - (Hybrid model - typically 3 days per week on site) Salary range £36,000 - £90,000 + bonus + benefits Why Apply Work on secure, high-impact national projects with real purpose Join a consultancy with strong growth and technical innovation Excellent benefits, bonuses, and structured career progression Quick process - interview next week Interested? If you're a DV Cleared Data Engineer ready for your next challenge, apply directly or message me in confidence.

DV Cleared Data Engineers Wanted - London - AWS or Azure - Senior / Principal We're supporting a leading global consultancy with the expansion of their secure data engineering team, and we're looking for DV Cleared Data Engineers to join major projects in London. If you hold active DV clearance and want to work on cutting-edge, mission-critical programmes in a highly collaborative technical environment, this is an excellent opportunity. What You'll Be Doing Designing and delivering secure, high-performance data pipelines and analytics platforms Working across AWS or Azure environments, building scalable, reliable data solutions Collaborating with cross-functional teams including engineers, data scientists, and architects Playing a hands-on role in end-to-end solution design, delivery, and optimisation Contributing to major national infrastructure and security programmes with real impact What We're Looking For Active DV clearance (essential) Strong background in data engineering, ETL, and data pipeline development Experience with AWS or Azure cloud technologies Excellent coding skills in Python, SQL, or Scala Understanding of data warehousing, modelling, and streaming technologies Confident working in agile, fast-paced technical teams Locations London - (Hybrid model - typically 3 days per week on site) Salary range £65,000 - £105,000 + bonus + benefits Why Apply Work on secure, high-impact national projects with real purpose Join a consultancy with strong growth and technical innovation Excellent benefits, bonuses, and structured career progression Quick process - interview next week Interested? If you're a DV Cleared Data Engineer ready for your next challenge, apply directly or message me in confidence.

Lead/Principal Data Scientist London - 3 days a week Up to £135,000 About the Company We're working with a next-generation private markets firm that is redefining value creation by combining deep industry expertise with data science and machine learning. This is a unique opportunity to join a company that partners directly with portfolio companies to drive measurable operational and financial performance. They're now hiring a Lead/Principal Data Scientist to lead machine learning projects across a wide variety of real-world domains. Working closely with a multidisciplinary team, you'll have the autonomy to shape technical approaches while staying closely tied to commercial outcomes. This role is ideal for someone who enjoys solving complex, ambiguous business problems using data science, and wants to work at the intersection of technology, investment, and strategy. Key Responsibilities Translate complex business problems into measurable data science solutions that deliver commercial value Lead the design, development, and deployment of predictive and optimisation models across multiple industries Own the end-to-end ML pipeline: data exploration, feature engineering, modelling, evaluation, and deployment Collaborate with data engineers and MLOps professionals to ensure scalable, production-grade solutions Act as a technical lead within project teams, mentoring mid-level data scientists and guiding model design choices Communicate findings and strategic insights to both technical and non-technical stakeholders Requirements: You're an experienced data scientist with a proven track record of using machine learning to solve real-world business challenges. You're just as comfortable in Python as you are in a boardroom, and you're motivated by measurable impact, not just model accuracy. Proven experience applying data science in commercial settings Proven ability to lead data science projects from concept to production Deep understanding of statistical modelling, predictive analytics, and optimisation techniques Comfortable working with cross-functional teams, including engineers, product leads, and client stakeholders Bachelor's or Master's degree in a quantitative field (e.g., Mathematics, Physics, Engineering, Computer Science) from a strong university Excellent communication skills and a collaborative mindset Please note: This role cannot offer VISA sponsorship

Principal Software Engineer - Strategic Tech Leadership £87,000-£118,000 Permanent Hybrid Locations: London, Manchester, Leeds, Newcastle We're recruiting on behalf of a leading consultancy that's scaling its engineering capability and looking for a Principal Software Engineer to drive technical excellence across high-impact client projects. This is a senior, hands-on leadership role for someone who thrives on solving complex problems, mentoring teams, and shaping how modern software is built. You'll be at the forefront of delivery, guiding engineering standards, influencing strategy, and staying close to the code. What You'll Be Doing: Leading technical delivery on complex, multi-disciplinary projects Setting engineering standards across CI/CD, cloud-native design, DevOps, and test automation Mentoring and managing engineers, fostering a culture of growth and innovation Collaborating with consultants, architects, and stakeholders to design scalable solutions Staying hands-on with development, prototyping, and emerging tech (including AI tools) Supporting business development through technical input on proposals and solution design What You'll Bring: You're a seasoned engineering leader with a passion for building great software and great teams. You combine technical depth with strategic thinking and know how to inspire others through your work. Skills: Proven experience leading high-performing engineering teams Deep expertise in one major tech stack (Java, Python, Node.js, .NET) and flexibility across others Strong background in API and data engineering Fluent in modern delivery practices: agile, CI/CD, DevOps, cloud-native development Experience across major cloud platforms (AWS, Azure, GCP) Excellent communication and stakeholder engagement skills Desirable: Experience with enterprise integration patterns Use of AI-powered tools in engineering workflows External engagement through talks, articles, or community involvement Why Apply? Salary: £87,000-£118,000 depending on experience Hybrid working: 3 days onsite (client or local office) Opportunity to shape engineering strategy and culture Work on cutting-edge projects with real-world impact This is a permanent opportunity with flexible UK office locations. Due to client requirements, candidates must be eligible for UK security clearance and applicants with active SC clearance will be preferential.

Principal Engineer - Lead Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK Up to £160,000 per annum plus stock options Python | Django | FastAPI | AWS | Rust | Postgres | Event-Driven Architecture | Machine Learning Principal Engineer - We're working with a leading fintech scale-up that's transforming how small businesses access finance. Backed by a strong track record and an ambitious mission, they're now looking for a Principal Engineer to lead the next phase of innovation within one of their most critical product areas. This is a strategic leadership role offering exceptional autonomy and influence. You'll head up the evolution of a high-impact platform responsible for generating personalised credit offers - a core driver of the business's growth and customer experience. The Opportunity As Principal Engineer, you'll take ownership of the technical strategy and architecture for dynamic, data-driven systems that determine the financial products offered to new customers. This is a unique chance to define the future of adaptive credit systems, driving smarter, faster and more relevant lending decisions using Real Time data and experimentation. The Principal Engineer will work closely with senior leadership across engineering, data, product and design. You'll also mentor engineers, steer long-term vision and ensure delivery aligns with key business outcomes. What Makes This Role Stand Out? Strategic Impact: You'll lead the architectural vision and execution of systems at the heart of a high-growth fintech. Technical Ownership: Full responsibility for evolving and scaling a domain-critical platform. Cross-Functional Collaboration: Partner with experienced teams across disciplines to shape solutions from the ground up. Mission-Driven Environment: Work for a business that's empowering small businesses and making finance more accessible. What We're Looking For: Strong experience in systems architecture and software development (object-oriented languages). Proven ability to deliver large-scale technical projects in fast-paced environments. A business-oriented mindset: you can translate complex problems into scalable, value-driven solutions. A collaborative leader who has mentored teams and influenced product direction. Experience working with complex domain models and evolving codebases. Bonus skills include : Python, Django, PostgreSQL, event-driven data systems, machine learning familiarity and Front End awareness. If you're a Principal Engineer looking to combine hands-on technical leadership with real strategic influence in a product-led fintech then please reply with your CV or call Simon for a chat. Principal Engineer - Lead Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK Up to £160,000 per annum plus stock options Python | Django | FastAPI | AWS | Rust | Postgres | Event-Driven Architecture | Machine Learning Burns Sheehan Ltd will consider applications based only on skills and ability and will not discriminate on any grounds.

Your new company A Principal Data Engineer/Architect is required on a permanent basis for a forward-thinking organisation at the heart of Leeds. The Data Services team are on a mission to unlock the value of data by delivering high-quality, secure, and accessible data services. With a focus on modern cloud-based technologies and strong partnerships, they help colleagues navigate the complexities of a data-driven world. Your new role As a Principal Data Engineer, you will be instrumental in shaping the organisations strategic cloud data platform. You'll lead the design and implementation of scalable data pipelines, drive innovation in data-centric products, and champion automation and predictive analytics. This is a senior technical leadership role where you'll establish best practices, ensure compliance, and deliver smart, customer-focused solutions. What you'll need to succeed You'll bring extensive experience in data engineering within Azure environments, with a strong track record in modernisation and large-scale migration projects. You'll be confident designing metadata-driven frameworks and managing Databricks environments, with hands-on expertise in Python, T-SQL, and PySpark. Your leadership and mentoring skills will be key, alongside your ability to collaborate across teams and drive strategic decisions. Essential Skills Include: Proven leadership and mentoring experience in senior data engineering roles Expertise in Azure Data Factory, Azure Databricks, and lakehouse architecture Strong programming skills (Python, T-SQL, PySpark) and test-driven development Deep understanding of data security, compliance, and tools like Microsoft Purview Excellent communication and stakeholder management skills Experience with containerisation and orchestration (e.g., Kubernetes, Azure Container Instances) would be desirable AI/ML integration within data platforms would be advantageous What you'll get in return You'll be part of a dynamic and inclusive team, working on cutting-edge data solutions that make a real impact. The organisation offers a competitive salary up to 81K, excellent benefits including 8% cash payment on top of the salary, bonus scheme, and opportunities for professional development. You'll also enjoy flexible working arrangements, generous annual leave, public sector pension and a supportive environment that values innovation and collaboration. What you need to do now If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at (url removed)

Principal Data Engineer - Hybrid (London/Winchester) We're seeking a hands-on Principal Data Engineer to design and deliver enterprise-scale, cloud-native data platforms that power analytics, reporting, and Real Time decision-making. This is a strategic technical leadership role where you'll shape architecture, mentor engineers, and deliver end-to-end solutions across a modern AWS/Databricks stack. What you'll do Lead the design of scalable, secure data architectures on AWS. Build and optimise ETL/ELT pipelines for batch and streaming data. Deploy and manage Apache Spark jobs on Databricks and Delta Lake. Write production-grade Python and SQL for large-scale data transformations. Drive data quality, governance, and automation through CI/CD and IaC. Collaborate with data scientists, analysts, and business stakeholders. Mentor and guide data engineering teams. What we're looking for Proven experience in senior/principal data engineering roles. Expertise in AWS, Databricks, Apache Spark, Python, and SQL. Strong background in cloud-native data platforms, Real Time processing, and data lakes. Hands-on experience with tools such as Airflow, Kafka, Docker, GitLab CI/CD. Excellent stakeholder engagement and leadership skills. What's on offer £84000 salary + 10% bonus 6% pension contribution Private medical & flexible benefits package 25 days annual leave (plus buy/sell options) Hybrid working - travel to London or Winchester once/twice per week Join a company at the forefront of media, connectivity, and smart technology, where your work directly powers millions of daily connections across the UK.

Your new company A Principal Data Engineer/Architect is required on a permanent basis for a forward-thinking organisation at the heart of Leeds. The Data Services team are on a mission to unlock the value of data by delivering high-quality, secure, and accessible data services. With a focus on modern cloud-based technologies and strong partnerships, they help colleagues navigate the complexities of a data-driven world. Your new role As a Principal Data Engineer, you will be instrumental in shaping the organisations strategic cloud data platform. You'll lead the design and implementation of scalable data pipelines, drive innovation in data-centric products, and champion automation and predictive analytics. This is a senior technical leadership role where you'll establish best practices, ensure compliance, and deliver smart, customer-focused solutions. What you'll need to succeed You'll bring extensive experience in data engineering within Azure environments, with a strong track record in modernisation and large-scale migration projects. You'll be confident designing metadata-driven frameworks and managing Databricks environments, with hands-on expertise in Python, T-SQL, and PySpark. Your leadership and mentoring skills will be key, alongside your ability to collaborate across teams and drive strategic decisions. Essential Skills Include: Proven leadership and mentoring experience in senior data engineering roles Expertise in Azure Data Factory, Azure Databricks, and lakehouse architecture Strong programming skills (Python, T-SQL, PySpark) and test-driven development Deep understanding of data security, compliance, and tools like Microsoft Purview Excellent communication and stakeholder management skills Experience with containerisation and orchestration (eg, Kubernetes, Azure Container Instances) would be desirable AI/ML integration within data platforms would be advantageous What you'll get in return You'll be part of a dynamic and inclusive team, working on cutting-edge data solutions that make a real impact. The organisation offers a competitive salary up to £81K, excellent benefits including 8% cash payment on top of the salary, bonus scheme, and opportunities for professional development. You'll also enjoy flexible working arrangements, generous annual leave, public sector pension and a supportive environment that values innovation and collaboration. What you need to do now If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found on our website.

Join us as a Principal Engineer for CIAM at Barclays, where you will support the acceleration of a new digital platform capability, transforming and modernising our digital estate to build a market-leading digital offering with customer experience at its heart. This is an exciting and key role, partnering with business aligned engineering and product teams, to ensure a collaborative team culture is at the heart of what we do. To be successful in this role you should have: Strong hands-on experience in the configuration, deployment and running of ForgeRock COTS based IAM solutions (PingGateway, PingAM, PingIDM, PingDS), including designing and implementing cloud-based, scalable and resilient IAM solutions for large corporate organisations. Experience with IAM engineering experience across authentication, authorisation, single sign-on, multi-factor authentication, identity lifecycle management, OAuth2.0, OpenID Connect, SAML and policy management Expertise with JavaScript, Java, Python, and must be comfortable with API and microservices development. Strong working knowledge of Site Reliability Engineering principles Experience with Cloud computing (AWS is essential, Azure is a plus) Some other highly desirable skills include: Experience in DevSecOps - knowledge of Product Operating Model Knowledge of Infrastructure as a Code tooling (Chef is essential, Ansible is a plus), containerization knowledge of authentication and biometric system design is highly desired. Open-source experience 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. This role will be based out of our London office. Purpose of the role To drive technical excellence and innovation by leading the design and implementation of robust software solutions, providing mentorship to engineering teams, fostering cross-functional collaboration, and contributing to strategic planning to ensure the delivery of high-quality solutions aligned with business objectives. Accountabilities Provision of guidance and expertise to engineering teams to ensure alignment with best practices and foster a culture of technical excellence. Contribution to strategic planning by aligning technical decisions with business goals, anticipating future technology trends, and providing insights to optimize product roadmaps. Design and implementation of complex, scalable, and maintainable software solutions, considering long-term viability and business objectives. Mentoring and coaching to junior and mid-level engineers to foster professional growth and knowledge sharing, elevating the overall skillset and capabilities of the organization. Collaboration with business partners, product managers, designers, and other stakeholders to translate business requirements into technical solutions and ensure a cohesive approach to product development. Innovation within the organization by identifying and incorporating new technologies, methodologies, and industry practices into the engineering process. 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 escalate 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.