staff java backend developer jobs in London

Lead Java Developer Business Unit: FTSE Russell – Index Platform Company: London Stock Exchange Group (LSEG) We are seeking a highly skilled and hands‑on Lead Java Engineer with AI proficiency to help build the next generation FTSE Russell Index Platform. This platform underpins the calculation and distribution of FTSE Russell’s global family of...

This role is with one of Dex's trusted partner companies. We work closely with their teams to truly understand their culture, goals, and what they're looking for, so we can match you with the right opportunity and give you context about the role before you commit to a process. *If you're interested sign up to Dex to apply.* Dex is an AI recruiter agent...

Software Engineer Full Stack Java - HealthTech This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server Software Engineer / Developer (Full Stack Java) London / WFH to £100k Are you a Java technologist? You...

Location: London, UK - 5 days a week onsite I'm partnered with a leading global financial institution that is looking to hire a Backend Developer with Java / Kotlin expertise as a de facto Founding Engineer to help launch a greenfield initiative. This is an opportunity to join at an early stage and play a key role in designing, building, and scaling a new...

At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business.Here, you'll do meaningful work that helps millions of...

Our Client in Central London is seeking a seasoned Java Backend Developer with 5+ years of experience and strong SQL Server expertise. You will contribute to backend systems, leverage Spring, and tackle algorithmic challenges within a large codebase.Proficiency in data structures, Unix, and clear communication are essential for success in this six-month...

Get AI-powered advice on this job and more exclusive features.Direct message the job poster from InterQuest Group Exciting Opportunity: Staff Backend Engineer (Go) – (Fully Remote) Fully Remote | Salary + Bonus + Stocks | Flexible Hours | Unlimited Annual LeaveI’m partnering with an exceptional SaaS business ranked in the top 1-2% globally, and we’re...

Staff Software Engineer, Google Health Coach Google London, UK Experience owning outcomes and decision making, solving ambiguous problems and influencing stakeholders;deep expertise in domain. In most instances, this position requires in-person interviews as part of the hiring process. Bachelor's degree or equivalent practical experience. 8 years of...

Blockchain / DLT DeveloperIf the following job requirements and experience match your skills, please ensure you apply promptly.London - Hybrid / RemotePermanent£90,000 - £110,000We are looking for an experienced Blockchain / DLT Developer to join a growing technology team delivering innovative blockchain solutions within the financial services sector.You...

Job DescriptionSenior Java Architect | Banking, Payments & AI EngineeringLocation: London (Hybrid)Role Type: ContractRate: Up to £600 a day (Outside IR35)We're seeking an experienced Java Architect to play a key role in a major banking transformation programme, helping to deliver enterprise-scale banking and payments platforms with a focus on cross-border...

Staff Software Engineer, Google Health CoachGoogleLondon, UKAdvancedExperience owning outcomes and decision making, solving ambiguous problems and influencing stakeholders; deep expertise in domain.In most instances, this position requires in-person interviews as part of the hiring process.Minimum qualifications:Bachelor's degree or equivalent practical...

About the role Every customer is different, and we're building the technology to make every Tesco experiencefeel personal. Join Tesco's Personalisation team and help shape the experiences of millions ofcustomers every day by powering real-time recommendations, offers, targeting, andexperimentation across our web, mobile, and in-store channels.Our platforms...

Overview The world’s most sophisticated companies rely on AlphaSense to remove uncertainty from decision‑making. With market intelligence and search built on proven AI, AlphaSense delivers insights that matter from content you can trust. Our universe of public and private content includes equity research, company filings, event transcripts, expert calls,...

The RoleWe are looking for a Senior Engineer to join our growing engineering team, and build out our backend third party integration systems as we scale. For us, this isn’t just about technical performance, but also supporting the internal human processes that will always power much of our product. You will work closely with Product, Operations, Customer...

About the Role You will play a key role in developing high-performance backend systems and integrations that process and distribute real-time financial market data. Working within a modern technology stack, you’ll help build scalable APIs, data pipelines, and automation frameworks, ensuring seamless onboarding of new data feeds and robust reporting...

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...

Role-Java & CloudNative Mandatory Skills : AWS Lambda, Java, Kotlin, React, SpringBoot Location-London/Warsaw-3 Days from Office Type-Perm/FTE Job Summary  Seeking a Specialist with 5 to 7 years of experience in Core Java React and cloudnative technologies to design develop and maintain scalable applications within the investment banking domain with a...

Our client is a global investment management firm.Before applying for this role, please read the following information about this opportunity found below.About this roleWhat are Aladdin and Trading Engineering?You will be working on our client's investment operating system called Aladdin. Aladdin is used both internally within our client and externally by...

Our Global StructureDeliveroo 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.The Dev Environments team sits within DoorDash's Foundations...

Software Tech Lead Wiltshire | Hybrid - 3-4 days onsite | Up to £120,000 + benefits Not just another Software Tech Lead. We're looking for a Software Tech Lead who wants genuine ownership someone who can take a complex problem, shape the solution, and stay close enough to the code to build it. You'll join a long-term UK defence programme where some of the...