8 Back End Engineer jobs in London

We’re on a mission to back the UK’s small businesses like no one else ? Small businesses are the backbone of the economy, and we’re here to help them win. We’ve built a platform that uses clever data to get them the funding they need in minutes, not weeks. At Funding Circle, we have the restless energy of a fintech start-up with the stability of a public company. It’s a unique mix that gives Circlers the autonomy to take ownership and the scale to make an impact that truly counts. We’re a high-performing team that chooses to lift each other up. We challenge, we champion, and we have each other’s backs - because we know that when we stand together, we move faster and build better. The impact is real: Last year alone, the businesses on our platform generated £7.2bn for the UK economy ? Come and join a mission that matters! [Read our Impact Report] | [See our Trustpilot] The role ⚡ ? London (Hybrid) | ? 2 days in the office | ? Competitive Salary + Benefits What We’re...

Do you want to build the AI systems that compliance teams rely on to investigate real financial crime? Are you excited about taking agentic workflows from prototype to production at scale? Do you want your work to directly help catch bad actors moving money across blockchains? Elliptic is hiring a Senior AI Engineer to join our AI team. It is the team behind Elliptic's copilot, the AI product that helps compliance investigators trace fund flows, surface patterns, and respond to risk in real time. This role sits at the centre of that work, designing the agentic systems, LLM integrations, and backend services that turn complex blockchain data into useful answers. You'll join a focused team that cares about the quality of what it builds and gives you the space to do your best work. There's real ownership here, breadth across AI and backend systems, and the freedom to turn good ideas into shipped products. The problems are technically challenging, and the work is visible. The...

About Us At Fenergo, we're not just building software—we're transforming how the world's leading financial institutions fight financial crime. Headquartered in Dublin and trusted by over 100 of the world's top financial institutions, we're on a mission to change the game.  We're more than a global leader in AI-powered client lifecycle management—we're reimagining how financial institutions tackle compliance. From Know Your Customer (KYC) and Anti-Money Laundering (AML) to rapidly evolving regulations, we turn complexity into clarity. Our FinCrime Operating System, powered by agentic AI and intelligent automation, helps financial institutions move faster, act smarter, and stay safer across 120+ countries.  But we don't stop there.  At Fenergo, we believe in a world where financial institutions aren't just compliant—they're confident. Where technology doesn't just meet regulations—it stays ahead of them. Our mission is to empower financial institutions to stop financial crime...

Help shape and run the technology that supports a busy electronic FX trading and sales environment. This role combines hands-on platform engineering with Product Owner ownership: contributing to technical delivery, strengthening service resilience, and helping turn stakeholder priorities into a clear, actionable team backlog. The team The London eFX platform team supports, maintains and develops trading technology within the Financial Markets Technology domain. We work in an agile delivery model and focus on reliable service, secure change, observability, automation, and continuous improvement. You will work closely with engineers, front-office stakeholders, IT management, tribe product managers and chapter leads to keep the platform stable today while shaping the roadmap for tomorrow. Roles and responsibilities As an engineering-focused Product Owner, you will stay close to the technology while helping the team deliver the right outcomes. You will: Contribute...

What is Flagstone? Flagstone is many things. An online savings platform, reinventing how individuals, businesses, and charities manage, protect, and grow their cash. A diverse group of people, bound by a collaborative spirit, and shared purpose. And lastly, a thriving, profitable business – where smart people do their best work. Each definition shares a common thread: our unique culture. It’s our pride and joy. And our competitive advantage. A feel for our culture: To revolutionise the savings market, we need to be at our best. But high performance takes more than talent – it takes a culture of kindness, respect, and growth. That’s why we’re building a diverse, inclusive community, where your voice is heard and valued. Where, with close support and room to develop, you can surpass even your own expectations. And be rewarded for it. We may not change the world, but we can change the world of financial technology. And all it takes is a winning mix of drive, talent, and...

Company Description Experian is a global data and technology company, powering opportunities for people and businesses around the world. We operate across a range of markets, from financial services to healthcare, automotive, agribusiness, insurance, and many more. Experian invests in people and new advanced technologies to unlock the power of data. We have an amazing team of 25,200 people in 32 countries. Job Description Experian Consumer Services helps millions of UK consumers understand and improve their financial lives. Credit scores, subscriptions, and marketplace products are the core of what we do today. New Growth exists to build what comes next: new revenue streams and propositions that turn ECS from a credit-score app into a broader financial wellbeing platform. We're looking for a Product Manager – New Bets to be part of that mission. You will report to the Head of Product, New Growth, you will be shaping the strategy, running experiments, and shipping the...

We are seeking a highly skilled and experienced Senior Product Manager to join our dynamic team. The ideal candidate will have a strong background in AI, LLM and AI agents , with hands-on experience in delivering production-ready projects in this domain. You will play a pivotal role in driving the development of enterprise applications, particularly in the legal domain , and will be responsible for managing the end-to-end product lifecycle. This role requires a deep understanding of transactional workflow applications , platform development , and API integration , as well as exceptional collaboration and communication skills. About The Role As a Senior Product Manager, you will be responsible for: Product Strategy & Vision Define and articulate the product vision, strategy, and roadmap for AI-driven enterprise applications, with a focus on the legal domain. Collaborate with stakeholders to identify market needs, customer pain points, and opportunities...

Our Story Hello there. We’re Zopa. We started our journey back in 2005, building the first ever peer-to-peer lending company. Fast forward to 2020 and we launched Zopa Bank. A bank that listens to what our customers don’t like about finance and does the opposite. We’re redefining what it feels like to work in finance. Our vision for a new era of banking puts people front and centre — we’ve built a business that empowers everyone to aim high, every day, to move finance forward. Find out more about our fantastic offerings at Zopa.com ! We’re incredibly proud of our achievements and none of it would be possible without the amazing team here. It’s not just industry awards we’re winning, we’ve also been named in the top three UK’s Most Loved Workplaces. If you embrace unconventional challenges, are unafraid to think differently and are driven to make an outsized impact, you’ll thrive here at Zopa, so join us, and make it count. Want to see us in action? Follow us on Instagram...