senior java developerin jobs in London

Technical Skills (Required): • Proficiency in JavaScript, TypeScript, and modern frameworks including React, Angular, Next.js, and Vue.js • Strong backend development skills with Java Spring, C#, and Node.js • Experience with SQL, CI/CD pipelines, and API development (REST and GraphQL) • Expertise in LLM evaluation and Generative AI...

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...

Ebury helps ambitious businesses unlock global growth, and we take the same approach with our people. We encourage innovation and movement, collaboration and problem-solving, and foster an environment where everyone can feel they belong, are valued, supported and empowered to succeed. If you’re a collaborator who wants to help transform how businesses...

Role : Forward Deployed Engineer Notice period : 15-30 days Work location : Grace church street, London (Candidate should be willing to work from HCL office in Grace church street London, this will be Hybrid working) Visa Status : ILR/citizen/PR What you will do • Build agentic AI solutions: single and multi-agent systems, tool use, retrieval pipelines,...

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of approximately 219,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Position Summary The Front End (UI) Software Engineer ...

**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. **Who We Are** Join us in our mission to transform...

Company DescriptionWe're ASOS, the online retailer for fashion lovers all around the world. We exist to give our customers the confidence to be whoever they want to be, and that goes for our people too. At ASOS, you're free to be your true self without judgement, and channel your creativity into a platform used by millions. Everyone needs some help...

Join our team at the Guardian and be a part of a diverse and inclusive global organisation that delivers fearless, investigative journalism, and holds power to account. Our team of award-winning journalists, cutting-edge commercial professionals, and industry-leading digital experts are committed to making a difference and represent a wide range of...

Junior Software & Systems Developer Location: London - Hybrid working Salary: Up to £40,000 per annum Job Type: Full-time, PermanentA new exciting opportunity has become available to join one of the UK's leading independent providers of 4G & 5G broadband as a Junior Software & Systems Developer. A technology-led business, continually developing their...

At JP Morgan Chase, we understand that customers seek exceptional value and a seamless experience from a trusted financial institution. That's why we launched Chase UK to transform digital banking with intuitive and enjoyable customer journeys. With a strong foundation of trust established by millions of customers in the US, we have been rapidly expanding...

The Client Technical Services department is part of the LSEG FX business. It comprises of FX Technical Onboarding, Technical Account Management, Certification, STP (Straight Through Processing) and Venue Onboarding teams. The FX Technical Onboarding team is responsible for leading customers through the FX technical onboarding journey including processing...

Futureheads are recruiting a Senior Kotlin Engineer for a government programme. The role is remote with monthly in-office days across UK sites, and starts on a 3-month contract with likely extension.The successful candidate will bring 7+ years’ commercial experience in Kotlin, Java and Spring Boot, plus TDD, strong stakeholder management and the ability to...

Job title: Lead Agentic AI Architect Rate: £710 per day Inside ir35 Location: London, Birmingham, or Sheffield (Whichever is closest) Hybrid (3 days per week on site) Contract: 6-month rolling On behalf of a leading digital transformation consultancy, we're seeking a Lead Agentic AI Architect to join a major enterprise AI transformation programme with...

Principal Software EngineerA high number of candidates may make applications for this position, so make sure to send your CV and application through as soon as possible.Salary to £80k, poss higher for their ‘Unicorn' candidateRole can be based remotely, as long as you can occasionally travel to London for client work (travel expenses paid) - approx. once...

191 open roles, counted October 20, 2026 Jobs in London 191 open roles in London from 8 companies, listed on Guap as of October 20, 2026. The most come from Revolut (65), Anthropic (49) and Palantir (44). One was posted on Guap by the employer; the other 190 are listed from company careers sites. One of them states its pay: from £75,000 to £90,000 a...

We are looking for a Senior Java Developer for our client, a well-established, global financial institution undergoing large-scale digital transformation. Working model: Hybrid, with 3 days a week onsite in London. Key responsibilities: • Develop and maintain Java applications using Spring Boot. • Contribute to the design and development of...

This is a free training course followed by the potential for a role with one of our clients.Title: DevOps EngineerJob location: Remote, UK (1 day per fortnight in London or Manchester)Description:These job roles are linked directly to free education, and upon completion of our course, you will be equipped to start your new role.WHAT ARE WE LOOKING FOR?1.5+...

Client is seeking a Senior Data Engineer with strong Python and SQL expertise and experience building scalable data platforms, AI/GenAI solutions, and production-grade data workflows.The ideal candidate will combine hands-on data engineering capabilities with experience in Generative AI, Agentic AI, machine learning, data governance, and cloud-based data...

JUXT is partnering with a Tier 1 investment bank on a major transformation of its Prime Finance Equities platform. You will build Java/Kotlin event‑driven services and modern React/TypeScript applications within an live, financially critical environment.The role focuses on modernising legacy trading/post-trade systems, ensuring data integrity, and...

Citi in London is seeking a Lead Java Developer to drive the development of real-time and on-demand risk systems within our global trading and risk framework. You will own the full development lifecycle, from architecture to production support, and collaborate with London-based traders, risk teams and technology partners.The role offers exposure to...