java software engineer jobs in London

Who are we? At Finastra, we’re a global leader in financial services software, dedicated to expanding access to financial services and shaping what’s next for the industry. Our technology powers mission-critical solutions across Lending, Payments and Universal Banking, supporting over 7,000 customers, including 80% of the world’s top 50 banks, in more...

About Centric Software Centric Software® is a global leader, providing an innovative and AI-enabled product-concept-to-commercialization platform for retailers, brands and manufacturers of all sizes. We equip retail, fashion, luxury, footwear, outdoor, home and consumer goods brands with pioneering best‑of‑breed solutions to plan, design, develop,...

Software Engineer - AI/TypeScript/RustLocation: Hoxton, London - five days per week in the office.We're partnering with an AI startup building software to help businesses make better financial and strategic decisions. Their first product brings AI agents into Excel, helping users build and work with complex financial models.They're looking for a Software...

Software Security Engineer Salary: Up to £150,000 + Benefits Location: London (Hybrid – 3 days per week in the office) We are currently looking for a Staff Software Security Engineer to join a fast-growing, innovative technology business operating at the forefront of AI and data‑driven products. This is an exciting opportunity to join a highly...

Senior Software Engineer – Node.js / Backend Development – London (Hybrid, 3 days onsite) Are you the kind of Senior Software Engineer who enjoys taking something fast‑and‑scrappy and turning it into something scalable, elegant, and genuinely robust? This is a chance for a Senior Software Engineer to join a small, but ambitious tech‑for‑good /...

We’re on a mission to solve some of today’s most complex hospitality challenges by building thoughtful, scalable solutions using an open and modern technology stack. Our goal is to create systems that make a real difference for our customers, our restaurant teams, and the communities we serve.Our ValuesAt Nando’s, our values guide how we work,...

At Gigs, we're building the operating system for mobile services—a platform that lets tech companies embed global connectivity into their products effortlessly. Just as Stripe lets any business add a payment button in seconds, Gigs empowers platforms to weave in connectivity—bridging the traditional world of telecom with modern tech. From fintechs...

QA slows the world down. Flaky tests kill trust, stall releases, and bleed engineering velocity.Duku AI is ending that era.We’re building autonomous agents that think like engineers : they run every critical user journey, catch failures before users do, and self-heal as the codebase evolves. Real AI teammates, not test scripts that break on impact.We’re...

We help companies get compensation right.What we get paid at work has a massive impact on our lives, and it's one of the biggest factors in hiring and retaining talent - and yet so many companies struggle to get it right. They simply have no choice but to rely on poor data and unsophisticated tools for their pay decisions. That's why we created Ravio.We help...

Legal Entity: The Stepstone Group EMEA GmbHCompany DescriptionAt The Stepstone Group, we have a simple yetvery importantmission: The right job for everyone. Using our data, platform, and technology, we create opportunities for jobseekers and companies around the world to find a perfect match in fair andequitableway. With over 20 brands across 30+ countries,...

About us One team. Global challenges. Infinite opportunities. At Viasat, we’re on a mission to deliver connections with the capacity to change the world. For more than 35 years, Viasat has helped shape how consumers, businesses, governments and militaries around the globe communicate. We’re looking for people who think big, act fearlessly, and create an...

Senior Software Engineer | AI, Artificial Intelligence 1 day ago Be among the first 25 applicants This range is provided by Digital Waffle. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Hybrid role in Soho £80-120k depending on experience Direct message the job poster from Digital...

About Harmonic At Harmonic, we are building a mathematical reasoning engine that operates with absolute precision. While most AI makes maximum-likelihood guesses, Harmonic's Aristotle uses Lean4 and reinforcement learning to verify its reasoning and results. About Harmonic At Harmonic, we are building a mathematical reasoning engine that operates with...

What we're looking forWe're looking for a Backend Engineer to join the Wolt AdTech & Promotions team.This role is best suited for someone who is strongly backend-oriented, thrives in ambiguity, and can take ownership of large, cross-functional initiatives from planning to delivery.You might be a great fit if youAre a strong backend engineer, ideally with...

OverviewG MASS are currently looking for an experienced Software Engineer to join a leading Investment Manager client on an initial 6-month engagement. This role sits within a core engineering team at the centre of a highly quantitative investment environment, supporting the technology and data platforms that underpin systematic trading strategies and...

About The JobMercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.Position: Software EngineerType: ContractCompensation: $100/hourLocation: RemoteDuration: 1 monthCommitment: 20...

United Kingdom - London; United Kingdom - SouthamptonAt NiCE, we don’t limit our challenges. We challenge our limits. Always. We’re ambitious. We’re game changers. And we play to win. We set the highest standards and execute beyond them. And if you’re like us, we can offer you the ultimate career opportunity that will light a fire within you.So,...

About WintermuteHard Skills requirementsAt least 2 years experience with C++ - we will testUnderstanding networking and implementing client-server connections - we will testExperience with looking under the hood to see how C++ standard libraries work - we will testStrong analytical skills - we will testWrite to us if youLove coding, love problem solving, and...

Location: London, hybrid - 3 days on siteStage: pre-seed, pre-launchRequired Skills: Python, Shipping ML models into Production, TypeScriptBuild the advertising infrastructure layer every brand in the world uses to influence AI agents.I'm working with an early-stage AI powered AdTech building the infrastructure for how advertising will work as AI agents...

OverviewSoftware Engineer (Python/Django) | up to £85,000 | Hybrid | HealthTech. An exciting AI HealthTech start-up, featured in the Sunday Times and BBC News, is rapidly growing across the UK, Europe and US. This role is key: you will own, improve and grow backend apps during a period of high scale.Stack: Python, Django, TDD, Airflow, AWS, Ansible and...