senior software engineer- java jobs in London

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,...

Spotify is seeking a Senior Backend Engineer to architect, develop and operate Java services powering the subscriptions journey. You will design scalable backend systems and APIs on Google Cloud Platform, collaborating with squads, engineering managers and product managers.Based in London or Stockholm, the role offers hybrid work with some in-person meetings...

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...

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 Senior Low Latency Java Engineer This is a senior...

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....

Expedia Group is looking for a Software Engineer to design, develop, and deliver scalable features for the Credit platform. You’ll work in a collaborative, fast-paced environment, using Java/Kotlin and modern microservices architectures.You will participate in architectural discussions, implement RESTful APIs, and collaborate with product managers,...

5 Days onsite (London) must.Someone with 15+ years of industry experience , preferable 5+ years in banking , trade management.Understanding of Vanilla products ( Macro, Credit, Securitisation). Experience of working with HTML5, Angular, REACT, NPM, Java Spring Boot, Post Gres/Cloud SQL. Understanding of containerised deployment – Kubernetes, ECS on...

JPMorgan Chase seeks a Software Engineer III (Java/Python) to join the Commercial & Investment Banking Emerging Markets Team in London. The role focuses on building, enhancing and delivering secure, scalable market-leading technology products within an agile team, contributing across design, development, testing, and operational stability.You will work with...

J.P. Morgan Chase is seeking a Software Engineer III for the International Consumer Bank initiative. You will contribute to cloud-native microservices and work with a distributed, diverse team to deliver robust banking solutions.Join a regulated financial services environment with opportunities across fraud prevention, identity services, payments, and...

Parser Limited in London is seeking a Senior Backend Engineer (Java) to lead the design, development, and support of mission-critical banking services in a multi-cloud environment.You will own distributed systems and microservices, build RESTful APIs, and ensure robust testing, CI/CD, and production support while collaborating with cross-functional teams...

Harrington Starr is seeking a talented Java Software Engineer to join our Technology team in London. You will contribute to building world-class Capital Market systems and SaaS applications for post-trade technology.Expect a hands-on role in a close-knit team, working with modern technologies on trading platforms and complex financial markets. The ideal...

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...

We are on the lookout for a Senior Software Engineer to join our Elasticsearch team and focus on ensuring that the shared platform functionalities of Elasticsearch are easy to use, performant, maintainable, and secureThe team’s mission is to create foundational infrastructure and shared functionality that enables engineers to develop, extend, and support...

Elastic is seeking a Senior Software Engineer for the Elasticsearch team to build foundational infrastructure and shared functionality. You will drive low-level design, ensure performance, security, and maintainability, and collaborate across teams.You will work on serverless orchestration, CI/CD workflows, and enabling Elasticsearch across cloud,...

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...

J.P. Morgan is seeking a Software Engineer III (Java/Python) to join the Commercial & Investment Banking Emerging Markets Team in London. You will contribute to building secure, scalable, production-ready software and participate in agile development, code reviews, testing, and deployment.The role emphasizes high-quality production code, AI-assisted tooling,...

Elsevier is seeking a Software Engineer III to design and develop scalable, high-performance identity platform components in Java and JavaScript. You will work on authentication, authorization, and integration with identity providers, building on AWS ECS and EKS, and contribute to AI-assisted development workflows.You will participate in CI/CD pipelines,...

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...

Job TitleSenior Java/FIX Engineer - IG PrimeJob DescriptionPrime Java/FIX EngineerSo, 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...

A leading tech recruitment firm in London is looking for a Senior Engineer specializing in AWS and Java. You will design and build serverless features, mentor junior engineers, and lead code reviews. The ideal candidate has experience with distributed systems and a collaborative mindset. This role offers a competitive salary of up to £85,000 and a hybrid...