senior java backend developer jobs in London

About Octopus ElectroverseWe’re making electric vehicle public charging simple, by building the giant, virtual charging platform of the future. In just five years, Octopus Electroverse has become Europe’s largest eMobility charging network, with over 1.4 million connected electric vehicle chargers globally across 79 countries. Our customer ecosystem...

Senior Java Developer Business Unit: FTSE Russell – Index Platform Company: London Stock Exchange Group (LSEG)About UsLSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect...

BeyondTrust is seeking an engineer to design, build, and ship features of the Endpoint Privilege Management software. The role combines Java/Spring Boot backend work with Angular/TypeScript frontend development and AI-assisted tooling in daily workflow.You will collaborate with distributed teams to deliver major releases, diagnose complex issues, and...

Backend Java Developer – Data Fabric / Platform Engineering Location: London (Hybrid)Employment: PermanentSalary: £70,000 – £90,000 base (dependent on experience) If your idea of backend engineering is more than CRUD APIs and microservices boilerplate — this role is for you. We’re building the core backend services of a Data Fabric platform that...

We are building the financial system for the next century. One where control sits in the hands of customers — not banks. Where money moves on rails that are faster, smarter, and radically more efficient. Where wealth management tools help you grow your savings for decades — and build generational wealth. Where fewer intermediaries mean more value stays...

SC Cleared Senior Full Stack Developer Contract: 3-Month FTC Location: Remote – UK Sector: Public Sector Clearance: Active SC Clearance required Start: ASAP The Role We are looking for an experienced SC Cleared Senior Full Stack Developer to join a public sector project on an initial 3-month FTC. You will be working within an established delivery team,...

A leading health retailer in London is seeking a Senior Backend Engineer to develop tools that enhance store design and optimize customer experiences. The role involves designing scalable backend services using Java and Spring within a hybrid working environment. Strong experience in backend development, API management, and databases is essential. This...

We are looking for Java Full Stack Developer at London, UK – 2-3 days per week Onsite Job Summary Our Client is seeking a skilled and motivated Java Full Stack Developer to design, develop, and maintain scalable enterprise applications that support critical business functions across the firm. The ideal candidate should have strong backend expertise in...

Java DeveloperUp to 100,000Quant 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...

Orbital Industries is an AI Industrial company, with frontier AI embedded at every step in the production of critical physical products - from creating advanced materials to engineering and manufacturing.Every Orbital Industries product is developed using CurieOS, our AI operating system, uniting AI-automated hardware engineering with AI-designed material...

About Scrumconnect ConsultingScrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens.With a strong commitment to user-centred design and agile delivery, we continue to build...

About 9fin9fin is the AI platform powering global debt markets — the world’s largest asset class at over $145 trillion.Debt markets are vast, global, and mission-critical, yet still run on fragmented data, PDFs, and manual workflows. 9fin replaces this broken infrastructure with a single platform that centralises proprietary credit data, deep analysis,...

Working at CreateFutureCreateFuture is an AI-native consulting partner where people do work that matters and are supported to do it well. We work alongside organisations such as PayPal, adidas, NatWest, FanDuel and Money Saving Expert, building digital products and services that make a difference  while always putting people first. We’re a team of...

An exciting and well-backed decentralised Crypto project is seeking to bring in an experienced and proven Backend Developer with skills in Soliday, and ideally Golang. A great opportunity to join an early stage, greenfield project with excellent backing from established players in the international Web3 sector, at pre-launch phase. The Role The Senior...

Who we are:For over 20 years, Global Relay has set the standard in enterprise information archiving with industry-leading cloud archiving, surveillance, eDiscovery, and analytics solutions. We securely capture and preserve the communications data of the world’s most highly regulated firms, giving them greater visibility and control over their information...

About ARQARQ is one of the fastest-growing fintechs in the world. Our mission is to redefine how people interact with money across borders, building the infrastructure to move value seamlessly. We’re still early in our journey, which means every person who joins shapes the future of our product, culture, and growth. If you’re excited by big challenges,...

Job Title: Senior Java Backend DeveloperLocation: London, UK – HybridJob Type: Contract – Inside IR35Note: No Sponsorship ProvidedMandatory: Strong in Investment BankingTechnology wise, their primary programming language is Java with Spring, DB2/Sybase for databases and Hazel cast/Redis as distributed cache.Role Profile:We are passionate and creative...

HCLTech is a global technology company, home to 219,000+ people across 54 countries, delivering industry-leading capabilities centered on digital, engineering and cloud, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life...

Senior Java Engineer - Deployment Security & Software ReliabilityWe are seeking an experienced, hands-on Senior Java Engineer to join a newly established Deployment Security and Software Reliability Engineering team supporting one of the world’s largest financial institutions.This is not a traditional development, support, or operations role. You will work...

If you've ever used an App to order coffee or food, or pay a bill in a restaurant, you may have been one of the millions of users who use our platform for convenience in ordering, to speed up paying, and to earn rewards. We're a UK based company building the leading mobile hospitality platform, and that means designing and building iOS and Android Apps,...