Senior Java Full Stack Developer

secure-by-design practices, mentor teammates, and ensure scope is delivered reliably, on time, and with clear operational ownership.To lead team in solving business problems by designing and building services in Java and API-first data delivery collaborate with Engineering on CICD pipelines, automation, release processes, and DevSecOps to ensure solutions are reliable and well-instrumented.The RoleJoin us as a Senior Java Full Stack Engineer and help build and evolve modern, high-impact applications on a Java-first technology stack. You'll work hands-on across the stack-building intuitive front ends with React/Next.js, and delivering secure, scalable services using Java, Spring Boot, microservices, Kafka and AWS. You'll take features from idea to production in a DevSecOps model, collaborating with a high-performing engineering team and using modern tools and practices across every phase of the SDLC to continuously improve how we build.Your responsibilities: Deliver full-stack features
end-to-end-building responsive React/Next.js user interfaces, designing clean API contracts, and implementing Java/Spring Boot services to support them.Work closely with product and UX to turn designs into intuitive experiences-contributing to component design, state management, accessibility and consistent UI , deploy and operate full-stack applications on AWS-optimising UI and API performance, and using logging/metrics/tracing to keep services observable and reliable.Design secure end-to-end integrations-covering browser-to-API authentication/authorisation, API gateway patterns, and data/storage interactions that meet performance and compliance needs.Strengthen CI/CD for both front-end and back-end-automating builds, tests, security scans and deployments to improve release frequency and confidence.Develop scalable APIs, microservices and event-driven flows (e.g., Kafka), ensuring stable contracts and versioning so front-end changes can ship safely and independently.Contribute to agile
delivery across the stack-refining stories, proposing technical designs, and balancing UI/UX quality with API/service robustness.Own quality and outcomes end-to-end-writing well-tested code (unit/integration/UI tests), reviewing PRs across React/Next JS and Java, mentoring teammates if needed, and driving issues through to resolution in productionYour ProfileEssential skills/knowledge/experience: Proficient in Java 21 and Springboot 3.4+ and Spring Cloud with MicroservicesProficiency in Docker/Kubernetes (Containerization and Orchestration)Good understanding of AWSMust have strong hands on experience on React/Next JSMust have worked extensively on CICD and relevant tooling (AWS)Must have a working knowledge on TDD and Paired ProgrammingShould have strong exposure to JUNIT and MockitoMust have a very strong understanding of Agile methodologiesMust be aware of DRY and SOLID principlesShould have a very keen intent on AI Fluency (Using Github Copilot or any other dev

If you need support in completing the application or if you require a different format of this document, please get in touch with at or call TCS London Office number / with the subject line: "Application Support Request". Role: Senior Java Full Stack DeveloperLocation: LondonMode: HybridContract Type: PermanentCareers at TCS: It means moreTCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the biggest brands in the UK and worldwide. For you, it means more to make an impact that matters, through challenging projects which demand ambitious innovation and thought leadership.Ready for your next big role to own and deliver high-quality, secure full stack services (Java React JS) that meet business outcomes. You will set the bar for engineering standards, champion