Jobs for java backend developer at London

About the Role:Grade Level (for internal use):09The Team: OTC Derivatives Data provides consistent and reliable curve and volatility data for over-the-counter derivatives in support of trading, research, valuation and independent price verification. As a Java/Clojure Engineer, you'll work closely with our product and data specialists across all asset...

MetalBear is remote-first, early-stage, and product-led. We're building mirrord, a Kubernetes development platform that lets developers and AI coding agents run code against a live cluster before it's deployed. The problem we solve is the wait. In any organization running microservices, checking whether a change actually works means building an image,...

Senior Java Developer, Execution Algos and Smart Order Router (Low Latency)London, hybrid A fast-growing electronic trading firm is building the next generation of its execution technology in London and wants a senior Java engineer to own the EMS and Smart Order Router (SOR) end to end. This is a greenfield build. You will design and develop a low-latency,...

Launch Your UK Career – Developer Work Placement (Software & Web Development) (Remote) Remote | 4 Weeks | Start Dates: September 2026 Only 10 Places – Apply NOW!The experience expected from applicants, as well as additional skills and qualifications needed for this job are listed below.Are you looking to gain UK software development experience while...

Experis UK is seeking a Java Developer to join our growing technology team in London or Leicester, with SC Clearance eligibility and a 12-month engagement. The role focuses on developing enterprise Java applications in an Agile environment, using J2EE, Spring, and modern CI/CD tooling.You will contribute to design, development, testing, and operations,...

The payments service team are the heart of Tesco Technology, serving 28 million+ shoppers in the UK and abroad. We deliver HTTP services that reliably manage payments at global scale, 24 hours a day every day. We also provide capabilities that detect and prevent fraud and build upon innovative technologies to reduce loss. 100M+ transactions and billions of...

hackajob is partnering directly with Sage to hire for this role. Job Title: Salesforce Developer Job DesciptionWe're hiring | Salesforce Developer – Product Engineering Team (ISV) in Winnersh (Reading area), UK | Hybrid (3 days onsite) At Sage, we're looking for a Salesforce Developer to join ourSage Peopleproduct engineering team in Winnersh. Sage People...

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...

hackajob is partnering directly with Version 1 to hire for this role. Company DescriptionVersion 1 has celebrated 30 years in business and continues to be trusted by global brands to deliver technology and transformation solutions that drive customer success. Our deep expertise enables our customers to navigate the rapidly evolving technology landscape. We...

About the Role:Grade Level (for internal use):09The Team: OTC Derivatives Data provides consistent and reliable curve and volatility data for over-the-counter derivatives in support of trading, research, valuation and independent price verification. As a Java/Clojure Engineer, you'll work closely with our product and data specialists across all asset...

Lead Technical Architect (Java AWS Agentic AI) London / WFH to £130kDo you have experience of architecting and leading the modernisation of Payments, FX or Core Banking platforms?You could be progressing your career in an impactful role at a scale-up Tech for Good software house.The platform enables easier money transfer to people in emerging economies,...

Company DescriptionDepop is the community-powered circular fashion marketplace where anyone can buy, sell and discover desirable secondhand fashion. With a community of over 35 million users, Depop is on a mission to make fashion circular, redefining fashion consumption. Founded in 2011, the company is headquartered in London, with offices in New York and...

AND Digital Limited is seeking an experienced Lead Java Developer for a 12 Month FTC. You will lead the design, development and operation of cloud-native services across AWS and Kubernetes, shaping engineering standards and delivery practices.This role involves technical leadership across the full software lifecycle and collaboration with architects, product...

Zaizi is looking for a Senior Software Developer with solid technology skills, but who is also passionate about improving outcomes and the user experience. You'll be reliable in your own deliverables but also curious about and offer innovative ideas to others in a mutli-disciplinary team. Our work culture is inclusive, modern, friendly, and democratic. We...

Why Socure? Socure is building the identity trust infrastructure for the digital economy — verifying 100% of good identities in real time and stopping fraud before it starts. The mission is big, the problems are complex, and the impact is felt by businesses, governments, and millions of people every day. We hire people who want that level of...

A World-Changing Company   Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more.The Role   Software Engineers at Palantir build...

If you're a Principal level Java Developer who wants to stay hands-on while having a genuine influence over architecture, technology and the engineers around you, this is a role worth exploring. This is an opportunity to take a leading technical role on a large, high-throughput platform within the telecommunications and online payments space.Principal...

A global financial tech company in London is seeking a Senior Software Engineer to build critical bank integrations for their Banking Connectivity platform. The successful candidate will work on backend systems using Java and engage in ensuring reliable data flows across financial institutions. This role offers a competitive salary with comprehensive...

Senior/Staff Backend Developer — Scroll Home (Hybrid, London) Scroll Home is a video-first property discovery app launching in London over the next two months. Full-screen walkthroughs, a personalised feed, one-tap enquiries, in-app group chats, comments, profiles and likes. Property search hasn't changed in 20 years. We're changing it. We are in the final...

*Do you love coding with Kotlin?* *Have you worked in a fast-paced start-up environment?* 🚀 **Senior Backend Engineer – AI transforming the future** 🚀 📍 **Location:** Hybrid in London approx. 1-2 days a week (flexible work hours) 💰 **Compensation:** Up to £105k + bonus + equity We are very excited to have just partnered with a rapidly...