Backend Developer Jobs in United Kingdom

Join beqom — where tech meets impact beqom is a high-growth B2B SaaS company that provides industry-leading tools for pay equity and transparency, compensation, and performance management. Trusted by some of the world’s most respected companies, beqom enables HR and business leaders to navigate glob

Who we are: Buying, leasing or renting a vehicle should feel straightforward. Not complicated or hard work. Drive brings everything together in one place, with multiple ways to get on the road. It combines choice, simplicity and guidance, helping people explore their options and move in the way that

Do you want to join a leading performance marketing agency? Do you have the potential to become a changemaker? If so - read on! At Summit, we're always looking for future talent. If you can't see a job that suits you on our careers page, please take a moment to apply here to allow us to consider you

About AlphaSense: 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 e

Since August 2019, we’ve been making it easier for customers to find the right vehicle, and for automotive retailers to sell them. More recently, we’ve been on a journey… In June 2025 we were acquired by Volkswagen Financial Services UK (VWFS UK) and our mission is simple: build the right tech

About Anovium Anovium is a product-focused digital innovation agency and consultancy. We empower companies to innovate and harness technology. Anovium is a sister organization of a venture studio, which builds out ideas into high-growth companies. This provides unique exposure to the agency in emerg

Waracle are looking for a Principal Backend Developer for an exciting new role joining our world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation. We work with ambitious clients to help them solve th

SeedLegals is the leading provider of automated legal solutions for startups, with offices in London, New York and Paris. Since launching in 2016, we’ve supported over 75,000 startups who have collectively raised more than £2bn on our platform. We’re a Series A company backed by Index Ventures, on a

At The Multiplayer Group (MPG), we create world-class multiplayer experiences through Co-Dev and Full-Dev partnerships. Our people-first culture supports a diverse, global team in a welcoming and flexible work environment. With teams spread worldwide, we prioritise connection—both online and in pers

About the role This role is going to be working on the open source Doppler SDK and Indexer. Responsibilities Implementing - new SDK and Indexer features Testing - automate backend testing alongside a release pipeline Support - helping applications and protocols integrate the SDK and Indexer Shipping

About BCN: At BCN we unite people and technology to enable organisations to fly. We believe people and organisations can achieve anything using technology to its full potential. Our role is to help them understand what is possible, implement in the right way and utilise their technology to achieve t

About Smart Working At Smart Working, we believe your job should not only look right on paper but also feel right every day. This isn’t just another remote opportunity — it’s about finding where you truly belong, no matter where you are. From day one, you’re welcomed into a genuine community that va

Join our expanding engineering team! We're actively recruiting a Senior Backend Engineer to help scale M-KOPA Mobility, our fast-growing e-mobility business. This is an initial 12-month Fixed Term Contract, with the potential to extend or transition into a permanent role. Build the event-driven micr

About commercetools Real innovation starts with a strong foundation, and at commercetools, that comes from the perfect balance of our product and our people. Behind every leap forward is a collective of builders, explorers, doers, makers, and problem-solvers.The kind of people who not only pioneered

Help Us Build The Future of Travel At Airalo, we're making it easier for people to stay connected wherever they travel. As the world's first eSIM store, we help millions of travelers access affordable mobile data in 200+ countries and regions around the world. Today, we're a team of 400+ people acro

Join Proton and build a better internet where privacy is the default Proton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right. Since then, we’ve built the world’s largest encrypted email service (Proton Mail) and expanded into Proton VPN, Proton Driv

At The Multiplayer Group (MPG), we create world-class multiplayer experiences through Co-Dev and Full-Dev partnerships.Our people-first culture supports a diverse, global team in a welcoming and flexible work environment. With teams spread worldwide, we prioritise connection—both online and in perso

Whippy is leading the way in AI-powered business communication, transforming how companies engage with customers using intelligent AI Agents. From customer support to marketing to sales, businesses rely on Whippy’s Voice AI and Chat AI to eliminate manual workflows—responding to inquiries, nurturing

Location: London or Ipswich, UK (Hybrid)Employment Type: Permanent, Full-Time About Mach: MACH is Delta Capita's proprietary Distributed Ledger Technology (DLT) and workflow orchestration platform, developed to help financial institutions modernise post-trade, collateral, regulatory and operational

About the Team SevenRooms is a hospitality technology platform that powers restaurant operations and marketing, and was recently acquired by DoorDash! The SevenRooms product enables operators to automatically drive revenue & profitability by leveraging data to build direct relationships, deliver exc