senior java developerin jobs in London

Hunter Bond seeks a Kafka Engineer/Java Developer for a FinTech client in London. The role is hybrid, focusing on building distributed, low-latency systems within a high-calibre team.You will mentor juniors and help evolve infrastructure while delivering robust, scalable software. Salary up to £130,000 plus bonus, with a supportive, innovative culture and...

London | Hybrid | Tier 1 Investment BankThe OpportunityWe are partnering with a Tier 1 investment bank on a major, multi-year Equity Accelerator programme focused on modernising its Prime Finance Equities platform. The programme is re-engineering core trading and post-trade systems, introducing new data and market-expansion platforms, and enabling advanced...

Citi London is seeking a Senior Blockchain Engineer to join the Digital Assets Platform. You will contribute to the Citi Integrated Digital Assets Platform (CIDAP), building enterprise-grade web applications with a strong Java backend and Web3 integration.The role requires hands-on development, collaboration across teams, and a proactive, startup-minded...

Rightmove is seeking a Senior Backend Engineer to shape and deliver innovative, self-serving parts of our platform. You will design features and collaborate with autonomous cross-functional teams to build scalable, high-performance solutions for millions of users and thousands of agents.You will own technical decisions, balance feature work with technical...

Smart Communications is a leading customer engagement technology provider for regulated industries. We are seeking an experienced full stack developer to extend our long‑lived enterprise product, from the Java back end to the browser, with a focus on clean, well-tested code.You will join an Agile team, own features end-to-end, and contribute to automated...

JPMorganChase is seeking a Software Engineer III in London to own end-to-end delivery of secure, full stack features. You will design, implement, and operate services built on microservices, Kafka, and CI/CD pipelines, while driving performance, resiliency, and secure coding practices across production systems.Expect collaboration across teams, design...

JPMorganChase's Accelerator team is seeking a Senior Lead Software Engineer to drive high-impact fintech products and empower teams to ship quickly.You will design scalable JVM-based systems, emphasize testability, resilience, and secure code, and collaborate across squads to turn ideas into customer-facing solutions.The role values curiosity, collaboration,...

Sanderson is seeking a Senior Backend Developer to build and maintain cloud-based services on AWS, using Java 21 and Spring Boot in a hands-on, delivery-focused role. The work involves code reviews and input into technical decisions.Responsibilities include building REST and event-driven microservices, deploying on AWS (ECS/EKS, Lambda, RDS, DynamoDB,...

Provntalent is seeking a Senior Java Trading Systems Developer to advance its electronic trading technology. You will design, build and optimize Java-based trading systems, impacting order routing, execution and lifecycle processes across multiple markets.The ideal candidate brings deep experience in electronic trading or capital markets, strong Java...

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...

Investigo is seeking a Senior Java/Python Engineer for a London-based role involving design and delivery of a next-generation platform in capital markets. You will build core services across trade lifecycle, settlement, finance systems and regulatory reporting, with exposure to event-driven architecture and modern tech stack.The role offers up to £775/day...

TEKsystems is seeking a Senior Data Engineer with substantial Java development experience to join a fully remote team in the UK. The role involves developing data pipelines and services, working in an Azure cloud environment, and ensuring data reliability and scalability. Candidates should possess expertise in data engineering, SQL, and modern engineering...

About The RoleWe are looking for an experienced Java/Kotlin Engineer to join the core engineering team delivering a major, multi-year strategic risk system replatforming programme.You will work at the heart of the programme, building key components within a highly scalable, risk-tolerant architecture designed to handle very large volumes of data in a...

Senior Software Engineer - (Java/AI) Client Platform**Job Description****So, 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 -...

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 integrated global network. By connecting markets East & West, we service the needs of individuals, institutions, corporates and governments...

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...

NPAworldwide is seeking an experienced Software Technical Lead to stay hands-on while guiding a skilled team on a Central Government project in the UK. You will drive architectural decisions, build scalable systems and communicate clearly with clients.The role blends leadership with hands-on development in a collaborative Agile environment. Key tech includes...

Netcompany is seeking a Managing Architect to lead end-to-end solution definition and delivery across multi-workstream programmes. You will translate complex requirements into executable architectures, validate assumptions with proofs-of-concept, and provide technical leadership throughout the lifecycle.You will own specifications, govern quality and...

Grid Dynamics in London is seeking a Senior Java/Kotlin Engineer to re-engineer Prime Finance trading and post-trade systems within a live production environment. You will design, develop and deploy resilient services in Java and Kotlin, collaborating with stakeholders to modernise legacy components and deliver complex financial workflows.The role requires...

The Opportunity JUXT is partnering with a Tier 1 investment bank on a strategic initiative to build its next-generation FX Risk Platform. The programme is consolidating risk management capabilities into a modern, scalable architecture while decommissioning multiple legacy risk applications. We are looking for a Senior Kotlin / Java Engineer to join the team...