senior java full stack developer jobs in London

Technical Lead, Platform & SecurityLondon · full-time · reports to the co-founders. You will be the hands-on technical lead for full-stack delivery, cloud operations and security at Towards AI Deployment, and the main technical counterpart for our clients' IT and security teams. You build production software for private equity-backed businesses and...

Our public sector client is seeking a Senior Java Developer (Secret, 10+ years) to support projects and initiatives in the development of Java applications within government digital transformation programsContribute to high-impact digital transformation initiatives within a leading Government of Canada organization focused on innovation and economic...

Cerillion in London is seeking a Senior Developer to join our Software Engineering team. You will design, develop, and deliver enhancements to Cerillion’s core BSS/OSS products, mentor juniors, and collaborate with architects and cross-functional teams to ensure robust, scalable systems.The role focuses on Java-based technologies, Spring Boot, RESTful...

A global financial services organisation is growing a senior Java engineering team to support a strategic, business-critical technology platform. This is a hands-on, senior level role suited to experienced engineers who enjoy working on complex systems while helping shape technical direction and engineering standards.What we’re looking forStrong Java...

Auxo Talent is seeking a Senior Java Developer for a 6-month contract in London. The role is Hybrid, requiring 2 days in the office per week. You will contribute to Java-based projects, focusing on scalable back-end services and customer-facing applications.The ideal candidate will have strong experience with Spring Boot, microservices, and distributed...

Senior Java Developer | Electronic Trading | VP / Executive Director Location: London Working Pattern: Hybrid, 3 days per week in the office Salary: Up to £200,000 base + exceptional bonus (Total Compensation up to £350,000) Join one of the largest growth programmes in Electronic Trading Technology A leading global investment bank is making a significant...

## Senior Fullstack Developer — Java or Kotlin, React and TypeScriptApplylocations: London: Manchestertime type: Full timeposted on: Posted Todayjob requisition id: JR100892Founded in Switzerland in 1968, Zühlke is owned by its partners and located across Europe and Asia. We are a global transformation partner, with engineering and innovation in...

Senior Software Developer- .NET/DevOps skills required Full-time Join Netcompany in leveraging technological innovations to foster societal transformation. Netcompany was awarded 5th position on the esteemed UK Top 50 Best Places to Work in the Glassdoor Employees’ Choice Awards for 2024. As one of the fastest growing technology companies, we are...

Job Title: Senior Java Developer - Rates Intraday Risk Technology Job Code: 14911 Country: GB City: London Skill Category: IT\Technology Job Title: Senior Java Developer – Rates Intraday Risk Technology Corporate Title: Associate Department:Information Technology Location: London (Hybrid) Company overview Nomura is a financial services group with an...

MW Recruitment Limited is seeking a Senior Java Developer to join a growing engineering team delivering post-trade tech in a cloud-first environment. Work on APIs, client reporting platforms, and web portals for capital markets, collaborating with Product, Client Services and Engineering leadership.You will design and deliver enterprise-grade software,...

Hunter Bond is seeking a Principal / Senior Java Developer to join a elite FinTech engineering team in London. You will tackle high-scale, business-critical technology at the intersection of financial services and digital assets, working with top engineers and architects in a hybrid setup.You should have strong Java/server-side experience, Linux, and a track...

Founded in Switzerland in 1968, Zühlke is owned by its partners and located across Europe and Asia. We are a global transformation partner, with engineering and innovation in our DNA. We’re trusted to help clients envision and build their businesses for the future – to run smarter today while adapting for tomorrow’s markets, customers, and...

CMC Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance trading platform in London. This onsite role requires hands-on design and optimization of ultra-fast pricing and risk systems, with a focus on concurrency, JVM tuning and low-latency architecture.You will...

OverviewUneek have partnered with a leading energy company who provide cutting-edge cleantech solutions in their search for a Senior SDET to join their team. Their mission is to help utilities transition to a more sustainable, customer-focused future.Senior Software Development Engineer in Test (Java & Selenium) – you will design and maintain robust test...

Tier 1 Investment Bank | London | Hybrid Working Role Overview We are seeking a highly experienced Senior UI Frontend / Full Stack Engineer to join a technology team within a Tier 1 investment bank. This role will lead the architecture, design and development of secure, scalable and high-performance enterprise applications supporting business-critical...

Salt seeks a Senior Java Developer to design, develop, and maintain secure, scalable microservices on AWS. You’ll collaborate with platform engineers, QA, and product teams, following DevOps and security best practices. Hybrid role with 1–2 days on-site, starting ASAP for a 3–6 month contract.The role requires 5+ years of backend experience, strong...

Who We AreWho We Are: We are a fast growing business and technology consultant company co-founded in 2019. We offer a custom-tailored, white-glove engineering service fit for our clients, because a digital transformation is more than just technology. With a successful track record of being a preferred vendor for Fortune 500 companies and as a trusted partner...

Praktika.ai seeks a Senior Full-Stack Engineer to own every web-facing surface — onboarding flows, landing pages, customer portals, web app and internal tools. This full-cycle role lets you shape product direction, run experiments, ship features end-to-end, and measure impact on conversion, retention, and learner experience.You’ll collaborate with...

Octopus Electric Vehicles, part of the Octopus Energy Group, is hiring a Senior Fullstack Software Engineer (Python & React) to join our product and engineering team in the UK. You’ll build APIs, develop frontend experiences, and create scalable systems powering our electric car leasing platform.You’ll work with Python, GraphQL, React/Next.js, PostgreSQL...

Humaans is seeking a skilled full‑stack engineer to help shape and deliver high‑quality SaaS features. You will work across backend and frontend in a fast-paced environment, collaborating closely with product managers and designers to launch customer‑facing improvements.You will contribute to architecture planning, write robust backend in...