senior java full stack developer jobs in London

AtkinsRéalis Nuclear is seeking a Senior Full Stack Engineer to shape and develop XR products that connect field teams with project information, digital work packs, asset data and spatial models. You will balance hands-on development with technical leadership across web, cloud, APIs, and data workflows.You'll work with React, JavaScript, TypeScript,...

Flok Health is seeking driven software engineers to join its in-person Cambridge team. You’ll build new features end-to-end (full-stack with frontend focus) and help scale consumer applications in a healthcare context.You’ll collaborate with product/UX, mentor junior teammates, and contribute to the technical roadmap while delivering reliable,...

A technology startup focused on fitness is looking for a Senior Full Stack Engineer to join their Growth Engineering team. This role involves architecting and building user journeys to enhance conversion rates, collaborating with various teams, and implementing tracking for user behavior insights. The ideal candidate will have strong TypeScript and...

Starling Bank is seeking a Full Stack Engineer (ML Ops) in London. Join a fast-moving fintech that values innovation, collaboration and ownership in a hybrid working setup.You will contribute across backend and frontend layers using Java, React and AWS, helping to build scalable services and data-driven features for a modern digital bank. Our team emphasizes...

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...

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...

Build intuitive user interfaces and APIs for Trovix products, working closely with our AI and product teams. You will work closely with a team of engineers, domain experts and regulated industry clients to deliver AI products that genuinely change how professionals work. This is not a research role - you will ship production features used daily by...

Senior Full-Stack Engineer – Certifications Full-time, remote. Join TryHackMe as a Senior Full-Stack Engineer on our Certifications Squad! 🥷 TryHackMe is the fastest growing online cybersecurity training platform. Our mission is to make learning and teaching cybersecurity easier through gamified security exercises and challenges. In just a handful of...

Avanti Recruitment Limited is seeking a Senior Java Full Stack Developer to join an established international software company in Central London. You will work hands-on across backend Java/Spring Boot and frontend frameworks (Angular/React/Vue), delivering robust, scalable enterprise applications.You will design, develop and enhance core products,...

About the Role We are seeking experienced Senior Full-Stack Engineers to join a major transformation programme within a leading global investment bank’s Production Management division. The team is developing a new generation of AI-enabled web applications and engineering tools designed to improve the effectiveness of Production Support engineers, enhance...

Senior Data Scientist - Full Stack Clearscoretechnologylimited · London Senior Data Scientist - Full Stack Please note visa sponsorship is not currently available for this position. We are looking for a Senior Full Stack Data Scientist to join our Data & Analytics team at ClearScore. Data Scientists play a key role in our business, driving strategy and...

Senior Data Scientist - Full Stack*Please note visa sponsorship is not currently available for this position. *We are looking for a Senior Full Stack Data Scientist to join our Data & Analytics team at ClearScore. Data Scientists play a key role in our business, driving strategy and decision-making at all levels, which ultimately benefits our users,...

About Fresha Fresha is the leading AI-powered operating system for the global beauty and wellness industry, giving businesses everything they need to run smarter, grow faster and build stronger client relationships.The following information aims to provide potential candidates with a better understanding of the requirements for this role.In May 2026, Fresha...

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...

## 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...

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...

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...

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...

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...

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...