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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Java Engineer - **Company:** Capgemini - **Location:** London, UK (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Artificial Intelligence, Application Performance Management, Cloud Computing, Software Quality, Custom Software, Data Structures, Relational Databases, Python (Programming Language), Performance Tuning, Responsive Web Design, Software Systems, Systems Integration, Enterprise Software Applications, Concurrency, Backend, Solid Principles, Front End Software Development, Api Design, Microservices - **Published:** September 29, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=2e3efbcba773990c ## About the Role * Proven experience delivering enterprise-scale full stack software solutions. * Strong hands-on experience in Java development, including modern enterprise application * design and development practices. * Strong Python development experience. * Experience designing and implementing distributed and microservices-based architectures . * Strong understanding of API design, systems integration, and event-driven application patterns. * Experience developing responsive user interfaces and integrating frontend and backend services. * Strong knowledge of relational database concepts, data modelling, and performance optimisation. * Understanding of software design principles, data structures, concurrency, and application performance tuning. * Experience working within Agile delivery environments and collaborating with cross-functional teams. * UK Broker Dealer and Capital Markets domain experience is essential. * Strong analytical, problem-solving, stakeholder management, and communication skills. * Awareness of AI-assisted development approaches and the ability to leverage emerging AI capabilities to improve delivery outcomes. We are a Disability Confident Employer: Capgemini is proud to be a Disability Confident Employer (Level 2) under the UK Government's Disability Confident scheme. As part of our commitment to inclusive recruitment, we will offer an interview to all candidates who: * Declare they have a disability, and * Meet the minimum essential criteria for the role. ## Description Join Capgemini's Cloud & Custom Applications (C&CA) practice within the Financial Services business, where we help clients solve complex challenges through innovative, scalable, and business-critical technology solutions. Guided by our vision to Consult with Purpose. Continuously Evolve. Architect Tomorrow., we are seeking a Java Full Stack Developer to deliver high-quality applications that drive business value and support strategic transformation. You will work alongside trusted advisors, architects, and delivery teams to build secure, resilient, and future-ready solutions while embracing continuous learning, AI-enabled innovation, and engineering excellence. Hybrid 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., * Deliver scalable, high-quality application solutions that support critical business functions and client outcomes. * Collaborate with business stakeholders, product teams, architects, and engineers to translate requirements into effective solutions. * Design and develop secure, resilient, and maintainable applications that meet performance and reliability expectations. * Build seamless integrations between business services and applications to improve operational efficiency and user experience. * Contribute to solution design and architectural decisions that support long-term scalability and sustainability. * Identify and implement opportunities for intelligent automation and AI-enabled innovation within application landscapes. * Drive code quality through peer reviews, testing, continuous improvement, and adherence to engineering standards. * Troubleshoot complex issues and ensure timely resolution while minimising business impact. * Produce clear technical documentation that supports knowledge sharing and maintainability. * Promote a culture of collaboration, continuous learning, and future-ready capability development across teams. ## Related Videos - [API Design - Getting Started](https://www.wearedevelopers.com/videos/33-api-design-getting-started) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Concurrency with Go](https://www.wearedevelopers.com/videos/191-concurrency-with-go) - [Can This Elephant Dance? 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