Senior Backend Engineer Jobs in United Kingdom

Who We Are Hi, we're DuckDuckGo, the online protection company and remote-first team of 300+ on a mission to raise the standard of trust online. Founded in 2008 and profitable since 2014, annual revenue now exceeds $100m USD and millions use our browser on Mac, Windows, iOS, and Android, our search

Spotify’s Audiobooks Mission is transforming how creators and listeners experience long-form storytelling. We’re building the foundation that enables audiobook content to flow seamlessly from publishers to listeners — including the systems that power ingestion, processing, and delivery across a rapi

About CarbonChain Want to work on the most pressing challenge of our generation? If you have experience building exceptional products, know how to execute at scale, and want to help build a company for the long term, we'd love to hear from you. CarbonChain helps the world’s biggest supply chains mea

What are we building? Hard Rock Digital is a team focused on becoming the best online sportsbook, casino, and social gaming company in the world. We’re building a team that resonates passion for learning, operating, and building new products and technologies for millions of consumers. We care about

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 created

Grafana Labs is a remote-first, open-source powerhouse. There are more than 20M users of Grafana, the open source visualization tool, around the globe, monitoring everything from beehives to climate change in the Alps. The instantly recognizable dashboards have been spotted everywhere from a NASA la

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 Dri

About the Company Affinidi is a technology company dedicated to changing data ownership for good. We empower businesses and individuals with control and ownership of their data, with a comprehensive approach to managing their holistic identity – accounting for all aspects of their digital foot

The role This is a Senior Backend Engineer position. You'll work across the engineering surface which spans payment orchestration, merchant APIs, settlement flows, internal business services, and the infrastructure that supports them. What you work on will depend on where the team needs you most and

About Remote Remote is solving modern organizations’ biggest challenge – navigating global employment compliantly with ease. We make it possible for businesses of all sizes to recruit, pay, and manage international teams. With our core values at heart and future focused work culture, our team works

About Remote Remote is solving modern organizations’ biggest challenge – navigating global employment compliantly with ease. We make it possible for businesses of all sizes to recruit, pay, and manage international teams. With our core values at heart and future focused work culture, our team works

About the role In this role, you’ll be responsible for developing microservices in a distributed deployment environment with an emphasis on containerisation with Docker and K8S. You won’t just be writing simple CRUD applications, but instead will be working on the core logic of complex systems that

About the opportunity We are looking for a passionate Senior Software Engineer, Backend who will play a key role in designing, developing, and maintaining product features of our IAM platform. You will collaborate closely with cross-functional teams to implement robust and scalable solutions that me

About the opportunity: We are looking for a passionate Senior Software Engineer, Backend who will play a key role in designing, developing, and maintaining product features of our IAM platform. You will collaborate closely with cross-functional teams to implement robust and scalable solutions that m

We are looking for a passionate Senior Software Engineer, Backend who will play a key role in designing, developing, and maintaining product features of Veza's flagship offering, Access Security. You will collaborate closely with cross-functional teams to implement robust and scalable solutions that

About the opportunity Join Contentful as a Senior AI Software Engineer (f/m/d) and innovate with AI Integrations At Contentful, we empower thousands of customers to manage content at scale with speed, flexibility, and precision. We are seeking talented Senior AI Software Engineers (f/m/d) to join ou

🚀 We’re on a mission to make money work for everyone. We’re waving goodbye to the complicated and confusing ways of traditional banking. After starting as a prepaid card, our product offering has grown a lot in the last 10 years in the UK. As well as personal and business bank accounts, we off

About 9fin 9fin is the AI platform powering global debt markets — the world’s largest asset class at over $145 trillion. Debt markets are vast, global, and mission-critical, yet still run on fragmented data, PDFs, and manual workflows. 9fin replaces this broken infrastructure with a single platform

The role: We are looking for highly talented and driven software engineers who take pride in their work, to expand our Engineering team in London. Successful candidates will join a cross functional team including product managers and designers working closely with the rest of our business to deliver

🚀 We’re on a mission to make money work for everyone. We’re waving goodbye to the complicated and confusing ways of traditional banking. After starting as a prepaid card, our product offering has grown a lot in the last 10 years in the UK. As well as personal and business bank accounts, we off