senior java developer jobs in London

Elsevier is seeking a Senior Software Engineer I (Java & Python) to join the Submission and Editorial platform. You will build Document Intelligence capabilities to transform unstructured manuscripts into structured data, enabling AI-driven features and smarter editorial experiences at scale.You'll work with AWS, microservices, and event-driven...

Synergize Consulting is seeking two Java Developers to join a critical central government programme, delivering technology that supports customs compliance, reduces fraud and protects tax revenues.We welcome applications from experienced developers at different levels. Candidates will be assessed against SFIA 4 or SFIA 5, based on their skills, experience...

Senior React Developer / Senior Front End Developer Join a focused application modernisation project, designing a secure, accessible React and TypeScript front end for an established enterprise platform while collaborating closely with an existing development team through delivery and handover. If you've also worked in the following roles, we'd also like to...

IntroductionAt IBM Consulting UK FutureNow, you'll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You'll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver solutions that create real business impact. From day one, you'll...

Senior Development Surveyor Senior Development Surveyor jobs near Derby / Nottingham / East Midlands Commercial property development Are you frustrated by having to jump through hoops to get developments off the ground? Join a privately owned business with theability to invest and make things happen Are you a Senior Development Surveyor, Development...

Arrows is hiring experienced Java Engineers for a major technology programme with one of the UK's leading broadcast and media organisations. You’ll join a high-performing engineering team building and scaling event-driven, cloud-native services, working with modern technologies including Java, Kafka, Kubernetes and Docker.You’ll be hands-on across the...

Manager, Software Development to lead Android Development (Java, C++, React Native, Kotlin) teams for our payments client Type: Fulltime/FTELocation: Etobicoke (Hybrid, 3x/week) Overview: This role will be responsible for shaping the future of payment acceptance solutions. You will lead skilled software development teams, define platform architecture and...

Java Developer Up to 100,000 Quant Capital is urgently looking for a Java Developer to join a pioneering tech start-up. Our client is an innovative company with a pioneering new concept for the financial markets with their big data technology platform. They have assembled a top team from across the financial markets and are looking to expand to meet high...

Java Developer – Fintech To 65,000 Quant Capital is urgently looking for a Java Developer to join our high profile client. Our client is a small fintech firm creating by one of the worlds best known personalities in fintech. They are known for solving one of the common problems in the retail financial space and in the current climate this is a unique...

Java / Hybris Developer (up to 50K) Quant Capital is urgently looking for a Java / Hybris Developer to join our high profile client. My client is a well-established online luxury business with headquarters based in London. They are very customer focused and their ethos is that customers are always first. They are looking for someone to join one of the top...

Citi in London is seeking an experienced Java engineer to own end-to-end delivery of high-performance FX risk management applications. You will design scalable, low-latency systems, setting engineering standards and serving as a technical reference for the team.In an agile environment, you will translate complex requirements into robust code, collaborate...

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...

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...

JPMorganChase in London is seeking a Lead Software Engineer to join Corporate Technology. You will be a core technical contributor, building, securing, and delivering trusted market-leading technology products in a scalable way.You will drive multiple design and development efforts, collaborating with vendors and internal teams to shape architecture and...

Citi London is hiring a Senior Java Engineer to help shape a high-performing team delivering next-level FX technology solutions. You will implement cross-border payments and custody systems using modern cloud-native tech and CI/CD.You will collaborate with sales, trading, quants and product teams to translate needs into data-driven solutions, design and test...

Cisco ThousandEyes is seeking a hands-on backend engineer to develop and scale core systems that ingest, analyze, and store endpoint data. You will design robust, scalable services using Java or Kotlin and Spring Boot, operating in distributed, event-driven architectures.You will participate in on-call rotations, resolve incidents, and collaborate with...

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...

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...

JPMorganChase in London is seeking a Sr Lead Software Engineer (Java/Python) to help design, build, and deliver high-performance trading software within Digital Markets Execution Technology. You’ll contribute as a core technical member of an agile team, guiding architecture, coding, testing, and operations to meet ambitious objectives.The role emphasizes...