senior java developer jobs in London

Pontoon is hiring a Senior Full Stack Developer (Front End - Java / Angular / Solidity) for a London-based engineering team. This 12-month contract role is onsite five days a week, offering a salary of £50,000–£80,000 per year plus competitive terms.You will design and build scalable enterprise applications, deliver secure backend services in Java/Spring...

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...

Elsevier Limited Company is seeking a Senior Software Engineer I (Java & JavaScript) to design and develop scalable, high-performance applications within the Identity & Access Management team. You will contribute to authentication and authorization infrastructure that powers our global product suite, operating on AWS ECS and EKS.The role involves tackling...

Tesco Stores Limited is seeking an SDE2 to lead medium-to-large features within the Profile team. You will design and deliver robust Java-based microservices, mentor engineers, and promote secure coding practices across the platform used by online, in-store and service channels.You will work with Azure, Terraform, and CI/CD tooling, advocating reliable,...

Elsevier is hiring a Senior Software Engineer I to design and develop scalable Java and JavaScript applications. You will join the Identity & Access Management squad, building authentication and authorization infrastructure that serves Elsevier’s global product suite on AWS.You will mentor juniors and contribute to cross-functional software products across...

Bank of America is seeking a Senior Engineer to shape the future of its Post Trade Data Platform. You will join a global engineering team and drive architecture, scalability, and data accessibility as the platform grows 10x in ingestion volume.This role emphasizes technical leadership, quality, and delivering measurable business value across a distributed...

Fundment is a fast-growing wealth infrastructure company, building on our success in transforming the £3 trillion UK wealth management market with our cutting-edge digital investment system. We are passionate about revolutionising the investment experience for financial advisers and their clients by combining innovative proprietary technology with...

Key Responsibilities Develop and implement a cohesive commercial strategy aligned with I.D.E.A.'s mission and long‑term growth objectives. Lead and expand the partnerships and sales function, setting clear KPIs and performance goals. Build and manage a strong pipeline of sponsorship, brand and institutional partners. Develop compelling proposals, pitch...

EPAM Systems in London is seeking a Java Developer for a hybrid role. You will design, develop and maintain complex Java and Python applications, guiding architecture and leading technical initiatives across global teams.You will mentor developers, drive code quality through reviews and automated tests, and deliver production-ready solutions while thriving...

J.P. Morgan is seeking a Senior Lead Software Engineer in London within Asset & Wealth Management's International Private Bank Technology organisation. You will design, build and improve scalable client-facing capabilities for J.P.Morgan Online International, contributing to production code and guiding engineers through substantive technical feedback. You...

Citi in London is seeking a Senior Low Latency Java Engineer to lead development of high-performance trading applications and frameworks. The role sits in the HPA team, focusing on Java-based microservices and low-latency design across Citi’s trading platforms.You will work with market data handling, time-series databases like KDB, and mentor junior...

Fully Remote Senior Full Stack Python Developer (Python, Django, SQL/Postgres, Typescript, ReactJS) - Solo Python Developer Role - Up to £65,000 - Fully Remote (They do have an office based near Gatwick Airport if you want to work from an office) - Open to applicants in the UK Only (No Sponsorship Available) - Award Winning Legal Platform G.R.E. Recruitment...

Job Description: Job Title Senior Java Engineer – Fixed Income Pricing and Analytics Location London Corporate Title Vice President You will play a key role in transforming the Rates and Credit Fixed Income technology landscape. As part of a multi-year modernisation programme, you'll help build a next-generation pricing and analytics platform. Traders...

Java Full Stack Developer - SC Eligible Location: UK - HybridSecurity clearance: Must be eligible for SC clearance We are currently recruiting an experienced Java Full Stack Developer to support a UK public sector programme. You will design, develop and maintain secure, scalable applications, working within an Agile team alongside architects, testers, DevOps...

Join the Growth Story at Envitia   Envitia operates at the heart of the UK’s most sensitive and high-profile operations. Our approach is entirely mission-focused, enabling customers to see more, decide faster, and act with confidence across complex domains.   We deliver situational awareness and information advantage across C5ISR, fusing cyber,...

Develop and maintain transaction-related backend services using Java and Spring Boot. Build core business processes for order and transaction workflows.Ensure data consistency, system reliability, and correctness across critical business processes.Support stable operation of transaction systems under high concurrency.Participate in requirement discussions,...

Tesco Price Service team is building a robust, internet-facing Java API used across Tesco’s channels. The system powers pricing and promotions for 28 million UK shoppers weekly, with plans for global reach.Design and implement end-to-end systems, translate product requirements into clean code, and apply SOLID principles to scale our cloud-native infra on...

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...

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...

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...