senior java developer jobs in London

Galaxy Digital Inc. in London is seeking talented software engineers to join our trading technology teams to build the next generation of crypto trading systems.You will have a strong server-side Java development background, with experience in order management, market connectivity, and low-latency pricing systems. You will thrive working independently with...

ITRS Group in London is seeking a Senior Java Software Engineer to join the Platform Team. You will help build the core platform that ingests and transforms observability data for multiple applications, working on a hybrid schedule from our London office.You will participate in all phases of the product lifecycle, mentor peers, and deliver high-performance,...

Senior Software Engineer I (Java & JavaScript)Do you enjoy designing and developing scalable, high-performance applications using Java and JavaScript?About the teamYou will join the Identity & Access Management team, which owns the authentication and authorisation infrastructure underpinning Elsevier's global product suite. We build and operate a highly...

Luxoft is seeking a senior Java engineer to join its global tech team, delivering high-performance, low-latency platforms for real-time processing. You will work on event-driven and reactive systems, optimize JVM performance, and push memory and networking boundaries on Linux.You will apply advanced profiling, GC tuning, and concurrency techniques to meet...

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview FX Risk Lead Java Developer + AI (VP) Engineer the...

AMS, on behalf of Deutsche Bank, is seeking a Full Stack Java Developer for a 6-month contract based in the bank’s London office on a hybrid model of 3 days per week in the office and 2 from home.The role focuses on delivering cloud-native Java applications using Java 17, Spring Boot, and React/Angular, with emphasis on performance, reliability, and...

Al Allegis Global Solutions Limited (AGS) seeks a Senior Java Developer for a Tier-1 UK Investment Bank in London. You will drive platform enhancements, craft robust Java/Spring solutions, and collaborate with a global team to meet critical derivatives requirements.Hybrid work: 2 days onsite, 3 days remote. 5+ years in investment banking IT, strong...

Wissen Technology in London, UK, is seeking a skilled Java Engineer (Associate/AVP) for a hybrid, full-time role. You will design and build scalable Java applications, mentor peers, and drive performance improvements in collaboration with cross-functional teams.The position requires 5+ years of experience, strong Java foundations, Spring framework...

Designs and develops secure, high-quality production code for scalable client-facing applications, APIs and services; reviews, debugs and improves code written by others.Drives design and implementation decisions for assigned capabilities, balancing data integrity, performance, security, reliability and operating cost within the agreed technical...

I'm working with a leading global investment bank looking for an exceptional low-latency engineer to join its specialist electronic trading technology team.This is a highly hands-on position-around 90% coding-building Java and Rust event-sourcing frameworks that support algorithmic trading platforms across the bank.The technology operates at serious scale,...

We’re looking for a senior engineer to join us working in in our embedded team within Prime Brokerage, the area of the bank that works with hedge funds and large institutional clients. You’ll work hands‑on to build data-intensive systems with huge scale. The role carries real ownership and you will help develop the regulatory and client reporting book...

Job TitleSenior Software Engineer - (Java/AI) LifecycleJob DescriptionSo, who are we?IG has been at the centre of retail trading and investment since 1974, when we helped create the market for financial spread betting. Today, we're a FTSE100 fintech operating across five continents, serving over 700,000 clients and handling billions in transactions - built...

Looking to connect with experienced Java Engineers for an opportunity within a leading digital asset firm in London. The team is building next-generation crypto trading systems, with a focus on high-performance, low-latency trading technology. What they're looking for: 10+ years of relevant software development experience Strong core Java skills and...

Sanderson is hiring an experienced Application Architect to design and oversee complex application solutions in a hybrid working environment. This role requires deep expertise in Camunda and Java, with a primary focus on delivering scalable solutions for major clients in the insurance sector.The ideal candidate will have over 10 years of hands-on experience,...

JPMorgan Chase & Co. in London is hiring a Software Engineer III to contribute to end-to-end cloud-native microservices in the International Consumer Bank. You will work with a distributed team on fraud prevention, identity services, money transfers, card payments, lending and onboarding to build secure, scalable software.The role emphasizes strong Java...

JPMorgan Chase & Co. is seeking a Software Engineer III (Java/Python) to join the Commercial and Investment Banking Emerging Markets Team in London.You will contribute to an agile team delivering secure, scalable market-leading technology products, writing production quality code in Java and Python, and applying modern testing and automation practices....

If you are an experienced engineer who enjoys building, solving difficult problems and helping others deliver better software, we have an opportunity for you. As a Senior Lead Software Engineer at JPMorganChase within Asset & Wealth Management’s International Private Bank Technology organisation, based in London, you will design, build and improve scalable...

Harrington Starr is seeking an experienced Java Developer to join their London Technology team, contributing to world-class Capital Markets systems. The role emphasizes hands-on software engineering with modern technologies and a deep dive into core business domains.The ideal candidate will have strong Java, Spring, multithreading, and RMI experience,...

Vitality is seeking a Principal Software Engineer to lead the engineering function across enterprise platforms and customer-facing solutions. You will shape standards, drive architecture decisions, and guide large-scale initiatives while ensuring reliable, high-performance software delivery. Hybrid work across London, Bournemouth or Stockport offices.The...

Senior Java/FIX Engineer - IG PrimePrime Java/FIX Engineer ‰ So, who are we? IG Group is a FTSE 100 fintech operating across five continents, serving over 1.4m customers and handling billions of dollars in transactions – built on scale, trust, and proof. We didn't pivot to innovation; it's how we've always operated. What that means for the people who...