senior java developer jobs in London

Placements24 in East London seeks a Senior Software Engineer to design, develop, and maintain robust backend services using Java and the Spring Boot framework. You will collaborate with cross-functional teams and mentor junior engineers to drive architectural decisions.The role focuses on scalable microservices, RESTful APIs, and relational databases within...

McGregor Boyall partners with a leading global investment bank to hire a hands-on low-latency engineer for its specialist electronic trading technology team in London. The role focuses on building Java and Rust event-sourcing frameworks that power ultra-fast algorithmic trading platforms at scale.You will contribute across the full stack, optimize JVM and...

IG Group's Prime division is seeking a Senior Java/FIX Engineer to design and modernise high‑performance trading APIs used by institutional clients. You’ll own services end to end, from architecture through production, focusing on resilience, latency and correctness in real‑time markets.You’ll work on REST, streaming and FIX APIs, modernising the FIX...

CMC Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform in London. This hands-on role is at the core of our market-making technology stack, where nanoseconds matter and engineering excellence is critical.You will design and...

ROLE DETAILS SBU - Invent CU - Business Technology Global Grade - C At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's...

Wise is hiring a Senior Java Software Engineer II for Continuous Delivery. You will work on the platform that powers thousands of releases across services, primarily in Java and Go, extending Spinnaker and related integrations.This hands-on role lets you move from discovery to implementation, using deployment data and reliability metrics to steer...

The TeamCiti's Equities Derivatives Technology department is investing in front-office development to support the Derivatives Flow, Delta One, and Exotics desks. We are looking for a hands‑on Senior Developer to build applications to help desks manage critical market data used for their derivatives products pricing and trading.This is a key position within...

easyJet Airline Company PLC is seeking a Lead Software Engineer in Luton. This senior role combines hands-on software delivery with leadership of a small engineering squad, focusing on designing, building and operating production systems in a hybrid environment.You’ll guide technical delivery, shape squad architecture and mentor up to four engineers,...

Grid Dynamics in London is seeking a Senior Full Stack Engineer to join a multi-year transformation for a Tier 1 investment bank's Prime Finance Equities business. You will contribute across the full stack—from event-driven backend services in Java/Kotlin to modern React/TypeScript frontends and real-time data experiences.You will work on live,...

Senior Java Software Engineer II - Continuous Delivery (CD)Full-timeCompensation: GBP 111,000 - GBP 145,000 - yearlyWise is a global technology company, building the best way to move and manage the world’s money.Min fees. Max ease. Full speed.Whether people and businesses are sending money to another country, spending abroad, or making and receiving...

CMC Markets is seeking a Senior Low Latency Java Developer for the Quantitative Strategies team in London. You will design and build ultra‑low latency pricing and risk systems that power our market‑making stack, collaborating with Quants, Front Office and Business Operations.This onsite role requires 5 days on site at our London office near Liverpool...

Zühlke Group in London seeks a Senior Fullstack Developer to build and operate business-critical digital services. This backend-led role uses Kotlin or modern Java (17+), JVM ecosystem, APIs and event-driven workflows, with React/TypeScript for frontend.You will work with product managers and designers, contribute to code quality, testing, and deployment...

Citi London is seeking a Senior Java Engineer to shape a team delivering next‑level FX technology solutions. You will write production‑grade Java with Spring, contribute to low‑latency path optimizations, and mentor colleagues in a hybrid London setting.You will work across FX technology, collaborating with sales, trading, quants and product to...

A financial technology company in London is seeking a Senior Java Software Engineer to join their core development team. The ideal candidate will have over 8 years of experience with Java and Python, and a strong background in trading and pricing solutions. This role involves technical leadership and collaboration with various teams to optimize performance,...

SBA are currently supporting our Central Government client who are seeking a Senior Python Developer initial 6 month contract. Location:London, Bristol OR Manchester - (hybrid) You will have: Programming and build: Strong Python coding ability and experience collaborating with others to develop, deploy and improve containerised, cloud-based applications....

Creative Front End Developer- fully remote- up to £140k Futureheads are working with a AI driven B2B SaaS scale up to find a Senior Frontend Engineer / Creative Developer who loves building websites that look and feel exceptional. This is a hands-on role owning public-facing websites, working closely with designers to turn Figma concepts into polished,...

LEGO Digital Play will bring the LEGO® brand into digital entertainment in new, innovative, and wholly-owned ways. Our mission is to ensure the LEGO brand remains as powerfully a part of children’s lives in the coming decades as it has ever been. We aim to reach every kid on the planet, their parents, and adult fans—and provide them with meaningful,...

Join a fast-growing, investor-backed group behind a large and growing portfolio of food and hospitality brands. We are hiring a Brand Director to own the quality of brand work across the whole business. This role is about creative judgement and You'll be the person who sets the bar for the branding across the whole portfolio. What you'll do Set and protect...

Job Summary:We are seeking a skilled and motivated Senior Software Engineer to join our dynamic team at CWAN. The role joins our Beacon Core Engineering team. The Core team develops large part of Beacon Cloud, just above the Platform abstraction. It deals with the developer tools (SDLC) that we offer to clients and use internally - IDE including Cline...

Our client is leading FS consultancy looking for a Senior KDB +/q Developer to work on a long term projectRequired Qualifications & Skills:Technical Expertise: Deep, hands-on commercial experience programming in KDB+/q and understanding internal database architecture.Operating Systems: Strong proficiency in UNIX/Linux environments for Scripting, debugging,...