senior java developerin jobs in London

We are seeking a Senior Software Engineer to join the Risk Services team within Global Markets . This role focuses on designing and building scalable, distributed systems that support risk data processing, analytics and reporting workflows . The ideal candidate will have strong experience across Java and Python-based backend systems , with a solid...

Wise is hiring a Senior Software Engineer II for Cash Management to help shape the global payments network. You will design and build scalable microservices in Java/Spring Boot, ensure reliability, and collaborate across Product, Solutions Engineering and Business Development.You will model complex financial domains with Domain-Driven Design, work with Kafka...

IG Group's Prime API team is seeking a Senior Java/FIX Engineer to design and modernise trading APIs used by institutional clients. You will own services end-to-end, tackle latency challenges, and work on REST, streaming and FIX interfaces.The role sits in IG Prime, with cloud-native initiatives and live systems work. Strong Java, concurrency, and...

Zepz in London seeks a Senior Backend Engineer to build scalable services that detect and prevent financial crime across WorldRemit and Sendwave. You will own design, reliability, and cross-team collaboration, shaping the tech that underpins regulator-facing systems.You’ll combine strong Java/Spring experience with Kafka, PostgreSQL, and AWS, while...

IG Group is seeking a Senior Java/FIX Engineer for IG Prime to own the APIs connecting IG to institutional clients. You’ll work on real-time price distribution, order flows, and reference data, modernising the FIX estate and building cloud-native trading APIs.You’ll lead end-to-end service ownership, tackle latency and resilience, and collaborate with...

Keylane UK is seeking a Full Stack Developer to build SiteView with React front-end and Java/J2EE back-end, in a Docker/AWS environment.You will contribute across the development lifecycle, prototype features, write tests, and deploy, collaborating with a small team to deliver scalable SaaS for insurers. You will investigate issues, optimize performance, and...

Wise 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 international payments, Wise is on a mission to make their lives easier and save them money. As part of our team, you...

Oliver Bernard is seeking a Senior JVM Engineer to join its engineering team in Canary Wharf. This hands-on role focuses on solving complex technical problems, building scalable JVM-based systems, and upholding modern engineering practices in a strong engineering culture.You'll work primarily across the JVM ecosystem using Java, Scala and/or Kotlin, with...

Teksystems is seeking a Senior QA Automation Engineer to design and implement robust automation for REST APIs and React-based UI, using Java and Playwright in a financial markets context. You will build and maintain scalable frameworks, expand regression coverage, and integrate tests into modern CI/CD pipelines.Prior FX/trading exposure is advantageous, with...

Capitolis in London is seeking a Senior Software Engineer to design and build scalable, secure Java-based solutions and drive architectural decisions across the P.O products. You will work with product managers and R&D to implement roadmap features using Spring Boot, Docker, and cloud services.The ideal candidate has a strong computer science background, 8+...

Elsevier in London seeks a Senior Software Engineer-I to contribute to a team delivering high-quality software for author services, applying your technical expertise.You will collaborate with agile squads, implement software to meet business goals, fix complex issues, and help improve engineering practices. The role offers flexible working arrangements and...

CreateFuture in Edinburgh, Leeds, Manchester, London or remote locations seeks a Senior Software Engineer to build scalable Java, Node.js and AWS backends. You will shape architecture, mentor engineers, and drive AI/automation initiatives across client engagements. Strong design sense, collaboration and delivery focus are essential.You will design APIs,...

Nomura Holdings, Inc. in London seeks a Senior Java Developer for the Rates Intraday Risk Technology team. You will work with Flow Rates desks and quants to translate complex requirements into robust server-side solutions.The role involves contributing to the architecture refresh and building APIs that provide intraday risk and P&L data. Strong Java, Spring...

NextWave Consulting Ltd is seeking a Senior Software Engineer in the UK with hybrid work options. The successful candidate will lead the development of a scalable Data Fabric platform, focusing on Java and Spring Boot microservices while mentoring team members. Required skills include hands-on experience in CI/CD, Kubernetes, and cloud technologies (GCP...

Role: Senior Software Engineer - Java, Cloud and AI Location: London (5days/week On-Site) Job Type: Contract Job Responsibilities: • Executes software solutions including design, development, and technical troubleshooting, with the ability to think beyond routine or conventional approaches to build durable solutions and break down complex technical...

Broadridge Financial Solutions seeks a Senior Full Stack Developer to join the AI Enablement Team. You will design, develop, and enhance AI-enabled platforms with a focus on GenAI, vector stores, RAG, and context engineering.The role requires leadership, collaboration with architects, and delivering scalable software solutions. The ideal candidate has 7+...

Falcon Smart IT Limited is hiring a Senior Java Architect to lead design and delivery of enterprise-scale banking and payments platforms in London. The role requires deep expertise in payments, messaging architectures, cloud-native platforms, AI-driven engineering, and enterprise solution architecture.You will architect real-time payment workflows, implement...

Overview Job Description Out of the successful launch of Chase in 2021, we’re a new team, with a new mission. We’re creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential. Our team is key to our success. We’re people-first. We value...

IG Group is seeking a Senior Software Engineer to advance the Brokerage Services platform with AI-driven tooling. You will own backend systems in Java, develop AI-assisted coding and testing solutions, and ensure secure, scalable delivery in production.The role emphasizes test-driven development, pair programming, and hands-on ownership of features from...

Our client is a premier software engineering consultancy built to tackle the most complex, mission-critical engineering problems in modern finance. They are currently building next-generation, high-throughput FX trading platforms where microseconds matter. The Role As a Senior Low-Latency Java Engineer, you will design and build commercial-grade,...