26 to 34 of 34 Backend Developer Jobs in London

Back-End Developer (Go) 📍 Location: London (2 days onsite) 📅 Contract: 12 Months (Extension Possible) 💼 Experience: 3–5+ Years About the Role We are looking for an experienced Back-End Developer with strong expertise in Go (Golang) to build scalable, high-performance backend systems. You will design APIs … deployed on AWS cloud infrastructure. This role is ideal for someone passionate about data-driven systems, cloud-native architecture, and performance optimization. Key Responsibilities Backend Development Develop and maintain scalable backend services using Go (Golang). Design and implement RESTful APIs and GraphQL endpoints. Build APIs for data ...

Senior Backend Engineer | Digital Payments | FinTech | Hybrid/Remote | £90k Company Overview: A fast-growing global FinTech company building modern, on-chain financial infrastructure for payments, banking, and investments across 140+ countries. Role: We’re hiring a Senior Backend Engineer to join a Digital Payments team working … high-scale systems that integrate with global bank networks, card schemes, and modern payment methods. You’ll own core backend services, influence architecture, and help move millions in daily transactions. Requirements: • 5+ years backend engineering experience. • Strong JavaScript/TypeScript/NodeJS expertise. • Experience with microservices, REST APIs ...

Senior Backend Engineer £80,000 – £110,000 | London (Hybrid – 3 days in office) The Opportunity We’re partnered with a scaling, venture-backed SaaS business delivering a mobile-first platform used by large distributed workforces across global enterprise organisations. This is not greenfield development and it’s not legacy … with strong product traction, enterprise customers, and continued platform evolution across both technical and commercial areas. You’ll be joining an organisation solving complex backend and platform engineering challenges at scale, supporting a product that is already widely adopted while helping shape its future architecture. The Product The platform ...

enabled applications within tax advisory. This is a hands-on engineering role sitting within a cross-functional delivery squad. You'll be building backend APIs and deploying them into a modern AWS + Kubernetes environment. 🔑 𝗧𝗵𝗲 𝗥𝗼𝗹𝗲 • Building backend APIs in Python (FastAPI ideally) • Working with PostgreSQL • Deploying … Terraform • Implementing CI/CD pipelines (GitHub Actions, GitLab, Jenkins, ArgoCD) • Shipping production-grade cloud-native applications 🎯 𝗪𝗵𝗮𝘁 𝗪𝗲’𝗿𝗲 𝗟𝗼𝗼𝗸𝗶𝗻𝗴 𝗙𝗼𝗿 👉 Strong Python backend development experience 👉 API development (FastAPI highly desirable) 👉 Solid SQL/PostgreSQL knowledge 👉 AWS experience (EKS ideal) 👉 Kubernetes deployment experience 👉 Terraform (Infrastructure as Code ...

Senior Backend Engineer – Remote first, London office (UK) 💰 £65k–£75k | ⏳ Full-time, 4-day work week I’m working with an exciting client who is looking for a Senior Backend Engineer to join their mission-driven team transforming frontline public services with AI. This is a unique opportunity … well being and justice, reduce admin, improve compliance, and spend more time on meaningful human work. What You’ll Do: Build and scale core backend systems, APIs, data pipelines, and integrations Collaborate with CTO, product, and design teams to deliver tools used by real frontline workers Write maintainable, tested ...

IDAM Back-end Java Developer - SC Cleared Rate: £500 - £535 a day IR35 : Inside IR35 Location: Remote within the UK Duration: Initially 6 months Clearance: Active SC Clearance required You will join a global IT consultancy who are delivering digital transformation to public sector body. They are looking … back-end Java Developer with proven IDAM (Identity and Access Management) experience. You will be part of a continuous improvement squad delivering enhancements and new features alongside BAU work (i.e. incidents and support maintenance activities). In addition, you will be involved in helping our client transform their IDAM ...

Back End Developer/Engineer III (Java/GCP) Duration:1 year contract Location:London New office Mode:Hybrid(2-3 days in office) We are looking for a high-impact Back End Engineer to lead solution designs and execute end-to-end implementations of critical service capabilities. Based ...

Back End Developer/Engineer III (Java/GCP) Duration:1 year contract Location:London New office Mode:Hybrid(2-3 days in office) We are looking for a high-impact Back End Engineer to lead solution designs and execute end-to-end implementations of critical service capabilities. Based ...

Back End Developer/Engineer III (Java/GCP) Duration:1 year contract Location:London New office Mode:Hybrid(2-3 days in office) We are looking for a high-impact Back End Engineer to lead solution designs and execute end-to-end implementations of critical service capabilities. Based ...