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Full Stack Developer (.NET) Competitive Salary. UK Wide. Hybrid (2 Days Onsite, Full-Time, 12-Month Fixed Term Contract). We are looking for a Full Stack Developer to join an established IT team to build and enhance bespoke applications that support both internal stakeholders and external clients. Working in a global agile team, you will develop high quality web solutions, collaborate closely with stakeholders, and contribute to new products and ongoing improvements. This is a hands on .NET role offering the opportunity to shape technical solutions, drive best practice, and work on impactful projects within a collaborative and forward thinking environment. This role is UK wide with full flexibility on office location, with an expectation of 2 days onsite working per week, alongside hybrid flexibility. The Team The IT team is responsible for delivering a responsive, effective, and timely service across the business. They design and implement operational processes and procedures to ensure reliable and secure systems, providing robust applications to support client delivery. The Development Team focuses on creating and maintaining bespoke applications that improve productivity and deliver competitive advantage. The team operates globally, with a strong presence across the UK and offshore locations. Key Responsibilities Work as part of a team of front end and back end developers to create and maintain high quality tools for internal and client use Collaborate within an agile squad, working closely with product owners to deliver enhancements and new products Analyse project scope and contribute to defining technical direction to meet delivery milestones Act as a trusted advisor on best practice software development, including risks, timelines, and technologies Liaise with stakeholders across product, support, and reporting functions within the application lifecycle Build consensus across stakeholders with differing viewpoints Support continuous development within the team through mentoring, pair programming, and knowledge sharing Key Skills & Experience Development and support of enterprise applications Web application development C# .Net / ASP.NET HTML / HTML5 RESTful APIs, JSON CSS3, SASS / SCSS Visual Studio (2019 or newer) Source control (Git) Desirable Skills Experience working within distributed development teams Familiarity with Agile/Scrum methodologies Office 365 Add in development jQuery .Net Core / .Net 5+ Angular Blazor SQL Server (2019+) including T SQL and Stored Procedures Responsive / mobile development XML Entity Framework (EF6 and EF Core) Azure DevOps What You'll Get in Return Competitive salary 12-month fixed term contract Hybrid working (2 days onsite) Opportunity to work on impactful, business critical applications Collaborative and supportive team environment DCS Recruitment and all associated companies are committed to creating a working environment where diversity is celebrated and everyone is treated fairly, regardless of gender, gender identity, disability, ethnic origin, religion or belief, sexual orientation, marital or transgender status, age, or nationality.

Product Security Engineer - Software Security Enablement Location London Business Area Legal, Compliance, and Risk Ref # Description & Requirements Our Team: Bloomberg is building the world's most trusted information network for financial professionals. We protect Bloomberg. We partner with internal departments to ensure the confidentiality, integrity, and availability of Bloomberg systems and the data we process. We aim to ensure that our clients see us as a trusted partner. Our Chief Information Security Office (CISO) owns the technical aspects of this mission by ensuring Bloomberg products, systems, networks and commercial applications are built and maintained with security in mind. What's the role? We are seeking a Product Security Engineer to help ensure that Bloomberg software is built securely. You will be responsible for building and maintaining automated security capabilities across the software development lifecycle. You will also engage with engineering partners to provide remediation guidance and enhance security testing to deliver high fidelity, actionable results. As a member of the Product Security Enablement team, you will help provide automated security testing solutions for Bloomberg, including SAST, DAST, SCA, Secret searching and LLM based assessments. Our team's goal is to create preventative security capabilities that integrate into development pipelines and help detect issues early in the software development lifecycle. An engineering skillset is required for this role. You will be responsible for prototyping new tools, integrating security testing tools and capabilities into the software development lifecycle, and developing custom security capabilities to deliver scalable testing solutions to our engineering teams. This role will routinely challenge your technical background and critical thinking. You will be expected to collaborate with different stakeholders in a fast paced environment across many technology stacks and services. We'll trust you to: Partner with engineering stakeholders to understand Bloomberg's development landscape and security needs. Develop automated security solutions that integrate into development pipelines. Maintain and enhance existing security automation processes and security capabilities. Understand and research technical details of core technology stacks and develop or enhance custom code analysis queries. Communicate vulnerability landscape and work on mitigations with stakeholders across the business. Actively monitor the latest news and trends in automated security capabilities, secure development, and AI assisted security workflows. Develop and enhance operational runbooks. Perform ad hoc vulnerability discovery, including code review and static analysis for key engineering teams, applications and services. Build or adopt new security capabilities to address issues at scale, such as Software Composition Analysis, Secret searching, and other automated security testing techniques. Use LLMs and AI assisted workflows as part of security assessments, vulnerability research, secure code review, developer enablement, and security automation. Explore, evaluate, and build automation using modern LLM tooling and integration patterns, including custom skills, MCP servers, agentic workflows, retrieval augmented workflows, and integrations with development and security tooling. You'll need to have: A strong core engineering background with a proven track record. 3+ years of experience in software development. Knowledge and experience with DevOps and software used in development pipelines (e.g. Github, Jenkins). Working knowledge of build systems, package managers, and development tooling (such as cmake, npm, maven, gradle etc). A core understanding of common security vulnerabilities, such as OWASP Top 10 issues and language specific vulnerabilities. Experience using, evaluating, or building with LLMs or AI assisted tooling in technical workflows. Ability to combine technical knowledge with an understanding of core aspects of an information security program. Motivation to keep up with latest trends and techniques in the information security community. Excellent written and verbal communication skills. We'd love to see (not required, but nice to have!): Experience or familiarity with running, maintaining, and customizing static analysis security testing tools such as CodeQL and Semgrep. Experience using LLMs or AI assisted tools for security assessments, vulnerability research, secure code review, developer enablement, or security automation. Familiarity with LLM automation concepts and tooling, such as custom skills, MCP servers, agentic workflows, retrieval augmented workflows, or integrations with development and security tooling. Knowledge of open source software component management, Software Composition Analysis, and related security tools. Knowledge of core concepts in public cloud providers such as AWS, GCP, and Azure. Familiarity with container orchestration technologies such as Kubernetes and Docker, and cloud deployment orchestration. Technical information security certifications, such as CISSP, CSSLP, or SANS certifications. Prior experience integrating security testing into DevOps pipelines.

Who You Will Be Working WithYou will be part of the Data Platforms team within the Insights and Data Global Practice, which has seen strong growth and continued success across a variety of projects and sectors. Data Platforms is home to API Engineers, Data Engineers, Platform Engineers, Solutions Architects and Business Analysts focused on driving our customersdigital and data transformation using modern cloud platforms. We specialise in the latest frameworks, reference architectures and technologies across AWS, Azure and GCP, including API/microservices patterns and data platforms such as AWS-native analytics services and Snowflake.As an AWS API Engineer / Data Architect at Capgemini, you will design and deliver secure, scalable API and microservices architectures across multiple client applications and services. You will define integration patterns and standards, shape data and document-store designs, and take ownership from solution design through build, deployment and production support, ensuring services are observable, reliable and cost-effective on AWS.You will design and deliver secure, scalable, well-integrated APIs and microservices across multiple client applications and services, supporting system and data integration across distributed environments.Security Clearance: To be successfully appointed to this role, must be eligible to obtain Security Check (SC)clearance.To obtain SC clearance, the successful applicant must have resided continuously within the United Kingdom for the last 5 years, along with other criteria and requirements.Throughout the recruitment process, you will be asked questions about your security clearance eligibility such as, but not limited to, country of residence and nationality.Some posts are restricted to sole UK Nationals for security reasons; therefore, you may be asked about your citizenship in the application process.The Focus of Your RoleYou will be an integral part of teams delivering modern digital services on AWS, with primary responsibility for API and microservices architecture and system integration. You will design RESTful APIs and service boundaries, define integration standards, and collaborate with product, delivery and cybersecurity stakeholders to ensure secure access patterns, strong observability, and smooth deployments and cutovers. Where required, you will also contribute to data architecture decisions (e.g., PostgreSQL and document stores) to enable robust end-to-end solutions.Key responsibilities (API & data architecture):Design and implement serverless and microservices-based API architectures on AWS (e.g., Lambda, API Gateway) aligned to product roadmaps.Define and apply RESTful API design patterns and integration standards; support API lifecycle management, documentation and versioning.Support system and data integration across distributed services, including event-driven patterns where appropriate.Assess and address technical debt, recommending pragmatic modernisation approaches.Support deployment planning, cutover activities and post-go-live stabilisation.Contribute to document store and data architecture design (e.g., PostgreSQL and document stores) and collaboration with data engineering teams.Collaborate with cybersecurity and delivery teams to ensure secure, observable solutions (logging, monitoring, audit)Integrate applications with identity providers and enforce secure access patterns (e.g., IAM, token-based authentication).What You'll BringYou will bring strong, hands-on experience delivering API and integration solutions within complex environments, with an understanding of regulatory obligations and the need for trusted, mission-critical services. You will be able to design secure, scalable and well-governed RESTful APIs and microservices on AWS, applying consistent standards for identity, access control, observability, auditability and operational resilience. You will be comfortable collaborating with stakeholders to translate outcomes into pragmatic architectures and delivery plans, and you will bring strong engineering discipline, documentation and teamwork skills to help teams deliver sustainable capabilities end-to-end.Required skills & experience (API & architecture):Strong experience designing and building APIs and microservices architectures.Hands-on experience with AWS serverless technologies (e.g., AWS Lambda, Amazon API Gateway).Solid understanding of RESTful APIs, integration patterns and distributed systems; exposure to GraphQL is a plus.Experience working across the full delivery lifecycle, from design through deployment and production support.Ability to communicate architecture decisions clearly to technical and non-technical stakeholders.Experience:Minimum 5+ years of experience as an AWS API Engineer / Data Architect, designing and delivering APIs and microservices in production environments.Strong expertise in AWS services used for API and platform delivery (e.g., Amazon API Gateway, AWS Lambda, IAM, VPC, Route 53, ECR) and experience applying security and networking fundamentals.Experience with deployment and operations practices (CI/CD, release planning, cutover, post-go-live stabilisation) and observability tooling (e.g., CloudWatch and/or ELK, Prometheus, Grafana).Proficiency in at least one backend language (e.g., Python) with strong software engineering practices (Git, code review, unit testing, CI/CD) and an ability to troubleshoot production issues.A continuous learning mindset, ideally with progress toward AWS certification (e.g., AWS Certified Developer Associate or AWS Certified Solutions Architect Associate) or equivalent experience.Relevant certifications (desirable): AWS Certified Developer Associate, AWS Certified Solutions Architect Associate/Professional, and/or AWS Certified Security Specialty.Technologies you may work with:Amazon Web Services (AWS): Lambda, API Gateway, Aurora RDS, EC2, Route 53, ECR, STS, VPC, S3.API, Integration & Security: RESTful APIs, Apollo GraphQL; AWS IAM, token-based authentication, external identity providers.Data & Messaging: PostgreSQL, Apache Kafka, document stores.Engineering & Operations: CI/CD pipelines; ELK stack; Prometheus, Grafana.Additional InfoHybrid working: The places that you work from day to day will vary according to your role, your needs, and those of the business; it will be a blend of Company offices, client sites, and your home; noting that you will be unable to work at home 100% of the time.If you are successfully offered this position, you will go through a series of pre-employment checks, including identity, nationality (single or dual) or immigration status, employment history going back 3 continuous years, and unspent criminal record check (known as Disclosure and Barring Service)What we'll offer youYou will be encouraged to have a positive work-life balance. Our hybrid-first way of working means we embed hybrid working in all that we do and make flexible working arrangements the day-to-day reality for our people. All UK employees are eligible to request flexible working arrangements.You will be empowered to explore, innovate, and progress. You will benefit from Capgemini's 'learning for life' mindset, meaning you will have countless training and development opportunities from thinktanks to hackathons, and access to 250,000 courses with numerous external certifications from AWS, Microsoft, Harvard Manage Mentor, Cybersecurity qualifications and much more.Why we're differentAt Capgemini, we help organisations across the world become more agile, more competitive, and more successful. Smart, tailored, often ground-breaking technical solutions to complex problems are the norm. But so, too, is a culture that's as collaborative as it is forward thinking. Working closely with each other, and with our clients, we get under the skin of businesses and to the heart of their goals. You will too.Capgemini is proud to represent nearly 130 nationalities and its cultural diversity. Our holistic definition of diversity extends beyond gender, gender identity, sexual orientation, disability, ethnicity, race, age, and religion. Capgemini views diversity as everything that makes us who we are as an organization, including our social background, our experiences in life and work, our communication styles and even our personality. These dimensions contribute to the type of diversity we value the most: diversity of thought.

Title: Full Stack Java & React Software Engineer (Mid-Level) Location: Hybrid, 3 days a week in Manchester, 2 day remote Salary: From £50,000 Purpose of the role The role is to design, build and support highly scalable, highly available, performant distributed applications to support our web, mobile and business platforms. We are looking for a developer who is excited at building cloud based applications to deploy small change often. You will have a proven skillset that spans OO, DDD and a passion for quality and testing. You will join our Application Engineering team who are responsible for architecting and building our web, mobile, content, trading and internal applications working closely with product and the wider business. Responsibilities As part of the engineering team provide direct support for ensuring solutions for the squads are architected in line with the strategic alignment of the technology area. Ensure the smooth transition of technical solutions and knowledge to the wider team at all levels of technical capability. Support the discovery, architecture and design of new and more complex solutions and patterns for their delivery stream. Work with the Principal Engineer to establish new pattern and architectural designs, or support significant change to an existing solutions. Support architecture decisions and solution design processes to an aligned strategy outlined across all of technology disciplines where solutions integrate. Directly contribute towards enabling culture of technical development and innovation within the team, through fit for purpose solution design and R&D activities. Enable the development of the technical skills within the squad and team through knowledge transfer of emerging technologies and modern ways of working, whilst ensuring that high standards remain at the forefront. Ensure that architectural solutions are aligned to the controls outlined by the control standards applicable to the solutions developed within team. Support the definition of change specific NFR considerations as part of any solution design or architectural decision. Ensure there is a clear alignment to assigned solutions within the change/priority pipeline. Ensure that these priorities are managed and any risks relating to the defined work are raised appropriately. Support the full development cycle of solution designs to all disciplines, including testing. Proactively seek to identify efficiencies around process, solutions and technology. Provide direct support for the Engineering Manager and Principal Engineer by taking ownership for and management of delegated subsets of the technical domain. Ensure risk considerations are applied to any solution design/architectural decision, highlighting considerations and options as part of any documented solution. Ensure full stack security considerations are included in all architectural decisions and subsequent solutions. Qualifications Proven experience and background working within a development environment for the technology area. Previous experience delivering change to business critical, highly available customer facing platforms. A broad technical background, with proven experience supporting diverse technical integrations. Experience supporting the delivery of change across the full project lifecycle from initiation to live support. Experience delivering successful change through different methodologies including agile and waterfall. Experience delivering CI/CD change into cloud-based environments. Proven experience working autonomously and owning assigned project deliverables. Excellent time management and prioritisation. Excellent communication skills, with proven ability to communicate to all levels. Technical Skills Distributed Systems and architectural experience of microservices, event driven architectures and serverless. AWS Cloud including step functions, lambda and general AWS architecture. Expertise in DevOps and containers environments including Kubernetes. Excellent software development, software architecture and technical delivery skills in: Java Development including Domain Driven Design, Test Driven Development and tech training presentation skills. Kafka, Mongo, Elastic Search and Redis. The whole Spring ecosystem included Spring Boot, Spring Cloud AWS, Spring Data, Spring Cloud Streams. Typescript / React / React Native Eco System TypeScript and JavaScript Development including Domain Driven Design, Test Driven Development and tech training presentation skills. Client-side SPA frameworks, specifically in the React ecosystem for web and mobile-native (React DOM, React Native) Server-side SSG and SSR (Next.js, etc) Building accessible semantic HTML SEO and SEF Java / JVM Eco System Benefits Group Personal Pension Plan - 8% employer contribution and 4% employee contribution Life Assurance and Group Income Protection Private Medical Insurance - Provided by Bupa 25 Days Annual Leave, plus bank holidays Staff Discounts on our investment products Personal & Well-being Fund - Supporting your physical and mental wellness Retail Discounts - Savings at a wide range of high street and online retailers Voluntary Flexible Benefits - Tailor your benefits to suit your lifestyle interactive investor operates in accordance with the UK Equality Act 2010. We welcome applications from individuals of all ages, disabilities, gender identities, marital status, pregnancy/maternity, race, religion or belief, sex, and sexual orientation. We are committed to treating all applicants fairly and making reasonable adjustments where needed to support disabled applicants. We actively prevent all forms of discrimination, harassment, and victimisation-whether direct, indirect, associative, or perceptive.

Title: Full Stack Java & React Software Engineer (Mid-Level) Location: Hybrid, 3 days a week in Manchester, 2 day remote Salary: From £50,000 Purpose of the role The role is to design, build and support highly scalable, highly available, performant distributed applications to support our web, mobile and business platforms. We are looking for a developer who is excited at building cloud based applications to deploy small change often. You will have a proven skillset that spans OO, DDD and a passion for quality and testing. You will join our Application Engineering team who are responsible for architecting and building our web, mobile, content, trading and internal applications working closely with product and the wider business. Responsibilities As part of the engineering team provide direct support for ensuring solutions for the squads are architected in line with the strategic alignment of the technology area. Ensure the smooth transition of technical solutions and knowledge to the wider team at all levels of technical capability. Support the discovery, architecture and design of new and more complex solutions and patterns for their delivery stream. Work with the Principal Engineer to establish new pattern and architectural designs, or support significant change to an existing solutions. Support architecture decisions and solution design processes to an aligned strategy outlined across all of technology disciplines where solutions integrate. Directly contribute towards enabling culture of technical development and innovation within the team, through fit for purpose solution design and R&D activities. Enable the development of the technical skills within the squad and team through knowledge transfer of emerging technologies and modern ways of working, whilst ensuring that high standards remain at the forefront. Ensure that architectural solutions are aligned to the controls outlined by the control standards applicable to the solutions developed within team. Support the definition of change specific NFR considerations as part of any solution design or architectural decision. Ensure there is a clear alignment to assigned solutions within the change/priority pipeline. Ensure that these priorities are managed and any risks relating to the defined work are raised appropriately. Support the full development cycle of solution designs to all disciplines, including testing. Proactively seek to identify efficiencies around process, solutions and technology. Provide direct support for the Engineering Manager and Principal Engineer by taking ownership for and management of delegated subsets of the technical domain. Ensure risk considerations are applied to any solution design/architectural decision, highlighting considerations and options as part of any documented solution. Ensure full stack security considerations are included in all architectural decisions and subsequent solutions. Qualifications Proven experience and background working within a development environment for the technology area. Previous experience delivering change to business critical, highly available customer facing platforms. A broad technical background, with proven experience supporting diverse technical integrations. Experience supporting the delivery of change across the full project lifecycle from initiation to live support. Experience delivering successful change through different methodologies including agile and waterfall. Experience delivering CI/CD change into cloud-based environments. Proven experience working autonomously and owning assigned project deliverables. Excellent time management and prioritisation. Excellent communication skills, with proven ability to communicate to all levels. Technical Skills Distributed Systems and architectural experience of microservices, event driven architectures and serverless. AWS Cloud including step functions, lambda and general AWS architecture. Expertise in DevOps and containers environments including Kubernetes. Excellent software development, software architecture and technical delivery skills in: Java Development including Domain Driven Design, Test Driven Development and tech training presentation skills. Kafka, Mongo, Elastic Search and Redis. The whole Spring ecosystem included Spring Boot, Spring Cloud AWS, Spring Data, Spring Cloud Streams. Typescript / React / React Native Eco System TypeScript and JavaScript Development including Domain Driven Design, Test Driven Development and tech training presentation skills. Client-side SPA frameworks, specifically in the React ecosystem for web and mobile-native (React DOM, React Native) Server-side SSG and SSR (Next.js, etc) Building accessible semantic HTML SEO and SEF Java / JVM Eco System Benefits Group Personal Pension Plan - 8% employer contribution and 4% employee contribution Life Assurance and Group Income Protection Private Medical Insurance - Provided by Bupa 25 Days Annual Leave, plus bank holidays Staff Discounts on our investment products Personal & Well-being Fund - Supporting your physical and mental wellness Retail Discounts - Savings at a wide range of high street and online retailers Voluntary Flexible Benefits - Tailor your benefits to suit your lifestyle interactive investor operates in accordance with the UK Equality Act 2010. We welcome applications from individuals of all ages, disabilities, gender identities, marital status, pregnancy/maternity, race, religion or belief, sex, and sexual orientation. We are committed to treating all applicants fairly and making reasonable adjustments where needed to support disabled applicants. We actively prevent all forms of discrimination, harassment, and victimisation-whether direct, indirect, associative, or perceptive.

Location: London (Hybrid - 3 days in-office) Role Type: Full-Time / Permanent Experience Level: Mid-Senior (5-7 years) We are partnering with our client to hire a Senior Full-Stack Engineer. In this role, you will design, build, and scale cloud-native applications that are critical to the bank's risk management operations. This is a high-impact position for an engineer who excels at bridging complex backend data processing with highly responsive front-end interfaces, all hosted in a modern cloud environment. What You Will Do Build scalable applications using Core Java, multithreading, and ReactJS to handle heavy datasets efficiently. Engineer cloud-native solutions by designing, maintaining, and deploying applications leveraging Kubernetes and Amazon AWS. Design and integrate APIs using REST and gRPC to ensure seamless connectivity between the frontend and backend. Implement event streaming by integrating Kafka for real-time financial data processing. Lead and mentor junior developers, championing CI/CD automation, security standards, and Agile best practices. Bridge tech and finance by applying your investment banking and risk management knowledge to solve complex business problems. What You Bring to the Table 5 to 7 years of experience in full-stack software engineering. Deep backend expertise in Core Java, specifically with multithreading, complex algorithms, and data structures. Frontend proficiency building responsive UIs with ReactJS, JavaScript/TypeScript, and state management tools (Redux or Context API). Architectural design skills spanning application, data, and cloud solution architecture. Cloud & Infrastructure knowledge with proven hands-on experience using AWS and Kubernetes. Domain experience working within Investment Banking, ideally with a focus on risk management platforms. How to Apply: Please share your latest CV highlighting your hands-on experience with Java, React, and cloud-native deployments in the financial sector on Randstad Technologies Ltd is a leading specialist recruitment business for the IT & Engineering industries. Please note that due to a high level of applications, we can only respond to applicants whose skills & qualifications are suitable for this position. No terminology in this advert is intended to discriminate against any of the protected characteristics that fall under the Equality Act 2010. For the purposes of the Conduct Regulations 2003, when advertising permanent vacancies we are acting as an Employment Agency, and when advertising temporary/contract vacancies we are acting as an Employment Business.