staff java backend developer jobs in London

AI is fundamentally changing how developers write, understand, debug, and maintain software. At the company, we're exploring what an AI-native development experience should look like for C++ developers. We are looking for a senior technical leader to help shape this future by building AI-powered workflows, integrating coding agents into developer tools, and...

Talan (part of the Talan Group) is an expert provider of professional services. Our vision and mission is to take positive action in a complex world for the future good of people and the environment and to enlighten and enable our clients’ transformation in an increasingly complex world. We are purpose-driven, working across multiple sectors, tackling...

Spotify is seeking a Senior Backend Engineer to join the Subscriptions Mission in London or Stockholm. You will architect, develop and operate Java services powering conversion, retention and upsell journeys, collaborating with squads and internal partners on scalable backend systems running on Google Cloud Platform.You bring 5+ years in backend engineering...

Starling Bank is seeking a Senior Java Developer to optimize real-time banking ledger processing microservices. The role is fully remote within the UK, offering milestone-based compensation and GDPR-compliant operations.The candidate will work primarily with Java, Spring Boot, PostgreSQL, and Docker in a backend-focused environment, contributing to...

**Founding Backend Engineer** **Agile Venture-Backed Startup** **Up to £100,000 + benefits** **The Company** • My client builds the real-time operational brain for critical infrastructure, transportation, and aviation turnaround logistics. • Replaces static spreadsheets, radio chatter, and paper manifests with stateful, dynamic execution...

A UK government agency is seeking a Developer to join the GOV.UK One Login Programme. You'll work in a fast-paced environment with a focus on developing secure, robust digital services for all citizens. The ideal candidate will have experience with cloud technologies, TypeScript or Java, and an understanding of agile methodologies. This role offers a unique...

Hybrid based in London or Warsaw, or fully remote from Poland with visits to the Warsaw office. Role Overview 🚀 If you're a tech freak with an insatiable curiosity for cutting‑edge technologies, join Uncapped and become a driving force behind the next generation of groundbreaking startups. We’re looking for engineers passionate about learning,...

Our Global Structure Deliveroo is now part of DoorDash, bringing together teams with even greater reach, scale, and ambition. Depending on your role, you may collaborate with teammates, systems, and leaders across DoorDash and Wolt. Together, we’re unlocking new possibilities as one global team. Your job is to make sure every payout and transaction lands...

The Experience team designs Spotify’s consumer experience—end to end, moment to moment, across every screen, platform, and partner integration. Our mission is to make listening feel effortless, personal, and joyful for billions of users around the world. That means turning complexity into clarity across hundreds of touchpoints—from our mobile and...

HIVED, a climate and logistics startup based in London, seeks a Staff Backend Engineer to develop solutions for complex operational issues. The role involves designing distributed systems, collaborating with multidisciplinary teams, and driving system performance enhancements. Ideal candidates possess a degree in Computer Science and expertise in Python or...

Senior Software Engineer, Backend Develop and deploy a cloud-native backend platform coordinating 5G NTN and Direct-to-Cell services Location: London, England About The Role Aalyria Backend Software Engineer Aalyria is a leading technology company that supplies laser communications technology and temporospatial software-defined networking platforms to the...

Company Description 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...

We are looking for an experienced Senior Java Developer to join the engineering team at Xantura, helping to design, build, and evolve our cloud-based data and analytics platform used by local authorities and public sector organisations across the UK.This is a hands-on senior engineering role focused on developing scalable backend systems, improving platform...

**Company Description** Depop is a peer-to-peer circular fashion marketplace where anyone can buy, sell and discover secondhand fashion. Our mission is simple: to make fashion circular by making secondhand as exciting and rewarding as buying new. Founded in 2011, Depop’s diverse community has helped move resale into the mainstream, where buying...

Company DescriptionVertex Solutions is a specialist technical recruitment company which works with some of the Europe's brightest and most innovative technology companies within Research, Development and Science. Since 1997, we have helped to build talented teams of Engineers (Software, Hardware and IT/Network Support) and scientific staff from graduate...

Location: UK (Hybrid / Onsite as required) Experience: 5+ years Role Type: Fixed Term Contract Overview We are developing a scalable Data Fabric platform that ingests, transforms, and serves trusted data products across multiple domains. The platform spans on‑premise and cloud environments and underpins a wide range of analytics and operational...

About Man Group Man Group is a global alternative investment management firm focused on pursuing outperformance for sophisticated clients via our Systematic, Discretionary and Solutions offerings. Powered by talent and advanced technology, our single and multi-manager investment strategies are underpinned by deep research and span public and private markets,...

Capgemini in London is seeking a Lead Java Full Stack Developer to drive the development of scalable enterprise applications across frontend and backend layers. You will design, develop, test and deploy high-quality solutions within an Agile framework.You will lead frontend work with HTML, CSS, JavaScript, React/Redux, Node.js and Jest, and backend with...

Working at CreateFutureCreateFuture is fast becoming the UK’s most recognisable digital consultancy, with years of experience building digital products and services for major organisations whilst putting our people first. We have offices in the centre of Edinburgh, Leeds, Manchester, and London as well as remote employees located throughout the country.We...

Company DescriptionWise 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...