{"id":1804696,"url":"https://alion.io/job/capgemini-lead-java-engineer","title":"Lead Java Engineer","company":{"id":145,"name":"Capgemini","domain":"capgemini.com","url":"https://alion.io/company/capgemini","size_band":"5000+","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Career site","truth_index":{"grade":"B","score":75,"open_postings":932,"ghost_share":0,"stale_share":0.996,"repost_share":0,"time_to_fill_p50_days":26,"computed_at":"2026-10-06T05:45:30Z"}},"role":"Backend","role_family":"Backend","seniority":"lead","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":80000,"max_usd":160000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":41},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"AWS","optional":false},{"name":"Java","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-09-29T12:33:26Z","employer_posted_date":"2026-10-01","last_verified_at":"2026-10-06T21:03:20Z","board_verified":true,"closed_at":null,"days_open":7,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":7},"description":"Job Title: Lead Java Developer\nLocation: London\nAbout the Job you are considering:\nJoin 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.\nHybrid working:\nThe 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.\nKey Responsibilities:\nDeliver scalable, high-quality application solutions that support critical business functions and client outcomes. \nCollaborate with business stakeholders, product teams, architects, and engineers to translate requirements into effective solutions. \nDesign and develop secure, resilient, and maintainable applications that meet performance and reliability expectations. \nBuild seamless integrations between business services and applications to improve operational efficiency and user experience. \nContribute to solution design and architectural decisions that support long-term scalability and sustainability. \nIdentify and implement opportunities for intelligent automation and AI-enabled innovation within application landscapes. \nDrive code quality through peer reviews, testing, continuous improvement, and adherence to engineering standards. \nTroubleshoot complex issues and ensure timely resolution while minimising business impact. \nProduce clear technical documentation that supports knowledge sharing and maintainability. \nPromote a culture of collaboration, continuous learning, and future-ready capability development across teams.\nRequired Skill:\nProven experience delivering enterprise-scale full stack software solutions. \nStrong hands-on experience in Java development, including modern enterprise application \ndesign and development practices. \nStrong Python development experience. \nExperience designing and implementing distributed and microservices-based architectures.\nStrong understanding of API design, systems integration, and event-driven application patterns. \nExperience developing responsive user interfaces and integrating frontend and backend services. \nStrong knowledge of relational database concepts, data modelling, and performance optimisation. \nUnderstanding of software design principles, data structures, concurrency, and application performance tuning. \nExperience working within Agile delivery environments and collaborating with cross-functional teams. \nUK Broker Dealer and Capital Markets domain experience is essential. \nStrong analytical, problem-solving, stakeholder management, and communication skills. \nAwareness of AI-assisted development approaches and the ability to leverage emerging AI capabilities to improve delivery outcomes.\nWe are a Disability Confident Employer:\nCapgemini 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:\nDeclare they have a disability, and \nMeet the minimum essential criteria for the role.\nPlease opt in during the application process.\nMake It Real (what does it mean for you):\nYou’d be joining an accredited Great Place to work for Wellbeing in 2024. Employee wellbeing is vitally important to us as an organisation. We see a healthy and happy workforce a critical component for us to achieve our organisational ambitions.To help support wellbeing we have trained ‘Mental Health Champions’ across each of our business areas, and we have invested in wellbeing apps such as Thrive and Peppy.\n\nYou 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.\nYou will be joining one of the World’s Most Ethical Companies®, as recognised by Ethisphere® for 13 consecutive years. We live our values by making ethical business choices every day. Working ethically is at the centre of our culture at Capgemini, meaning you will be helping to create a future we can all be proud of.\nWhy you should consider Capgemini:\nGrowing clients’ businesses while building a more sustainable, more inclusive future is a tough ask. When you join Capgemini, you’ll join a thriving company and become part of a collective of free-thinkers, entrepreneurs and industry experts. We find new ways technology can help us reimagine what’s possible. It’s why, together, we seek out opportunities that will transform the world’s leading businesses, and it’s how you’ll gain the experiences and connections you need to shape your future. By learning from each other every day, sharing knowledge, and always pushing yourself to do better, you’ll build the skills you want. You’ll use your skills to help our clients leverage technology to innovate and grow their business. So, it might not always be easy, but making the world a better place rarely is.\nAbout Capgemini:\nCapgemini is an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organisations and make it real with AI, technology and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. 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