9 of 9 Permanent Senior Backend Developer Jobs in London

Senior Backend Developer for Video on Demand and Live Streaming (GoLang) - Contract - 12 months - OUTSIDE IR35 - Remote (UK) A leading video platform is seeking experienced Senior Backend Developers with expertise in GoLang to contribute to the VoD2Live project. This person must have experience working ...

Role Overview Multis UK Limited is hiring an experienced Senior Backend Developer to lead the architecture, development, and enhancement of production systems, REST APIs, and online marketplace platforms. The position features flexible work formats (part-time, full-time, or contract) in a fully remote environment, with … strong focus on AI-assisted software engineering. Key Responsibilities Backend & API Architecture: Design and build backend applications and REST APIs using PHP 8+ and SQL databases while refining existing production systems. Integrations & Automation: Manage search engine technologies, automation pipelines, and third‐party service integrations. Quality & Mentorship: Conduct code ...

Senior Backend Developer - Blockchain Infrastructure London, England Who We Are: Galaxy Digital Inc. (Nasdaq: GLXY) is a global leader in digital assets and data center infrastructure, growing the economy that runs on code. Galaxy delivers the onchain infrastructure that connects institutions to digital assets, including trading, advisory … be. Be Selective To Be Effective. Be Highly Aligned, Loosely Coupled. Disagree Transparently. Build Dream Teams. Who You Are: You'll design and build backend systems powering blockchain infrastructure and staking products across Galaxy — spanning Ethereum-based systems, staking infrastructure (native and liquid), and blockchain data systems and APIs. ...

Waracle are looking for a Senior 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 their biggest business … seamlessly from strategy, design and delivery to operations. This is a Hybrid role working from the London office 2 days a week. As a Senior Develope r at Waracle, you will play a pivotal role in shaping robust, scalable systems while fostering an inclusive environment where everyone can thrive. ...

side components that integrate seamlessly with client applications. Contribute to architectural improvements and maintain high standards of code performance and maintainability. Build and extend backend features using internal and third‐party APIs (e.g., Modulr, Truelayer, Checkout.com) to support lending products including loan applications, collections, and payments. Develop internal tools … Work alongside front‐end and product teams to build innovative solutions that empower users to manage their finances more effectively. Experience designing and scaling backend services from scratch, with solid understanding of microservices architecture and distributed systems. Commercial experience in high‐scale startups. Years of experience is a poor ...

unified company, we’re combining expertise to offer a full-service, frictionless parking solution for both businesses and consumers. About the role The Senior Fullstack Developer ships high-impact product features across JustPark’s stack, working closely with product, design and other engineers to deliver value tocustomers. … design, build and ship features end-to-end across web, mobile or backend as needed, own meaningful pieces of the product surface and the systems that back them, and raise the bar on code quality, testing and engineering hygiene in your team. The role works with engineers in code ...

Are you ready to take your PHP skills to the next level? We are dedicated to providing ongoing support for an existing project built on Laravel/Symfony/React technologies. Our approach to implementing ...

Senior Backend Node.js Developer at Cabiri, you will play a crucial role in designing, developing, and maintaining our software solutions. You will work collaboratively with cross‐functional teams, utilizing your expertise in back‐end technologies to create scalable and high‐performance applications. The successful candidate will ...

Xelix. If you’re excited about building something special with us, we’d love to hear from you. About the role We're seeking Senior Python Developers to join our back-end development team. This is a varied and challenging programming role. Tasks could include writing code to manage … Technical Task or Presentation – A role-relevant exercise to demonstrate your skills and approach. Final On-site Interview – An in-person meeting with our senior leadership team and co-founders at our office. We strive to make the process clear, efficient, and respectful of your time. We welcome ...