Software Engineer - Web United Kingdom, London Jobs

Join Optimizely as a Staff Software Engineer in London. Design and evolve highly scalable, secure distributed systems for a leading MarTech platform. Leverage your 8+ years of experience, deep expertise in system design, and cloud-native architectures. Mentor engineers and drive technical excelle...

Lead Backend Engineer role in London, driving technical strategy for a data-centric startup. You'll architect scalable systems with TypeScript/Node.js, mentor a team, and leverage cloud/AWS expertise. This is a chance to revolutionize an industry and earn equity in a high-growth venture.

Join a global team of experts to build and support cutting-edge, low-latency trading systems in London. Develop our proprietary stack using C++/Python, focusing on market data, order routing, and exchange connectivity. This role offers deep exposure to real-time trading infrastructure and sophist...

Lead a TypeScript engineering squad at BT, building cloud-native platforms with AWS and Kubernetes. This hands-on manager role requires strong technical leadership in IaC, CI/CD, and DevOps. Enjoy a competitive package with bonus, pension, and great discounts. Based in Birmingham, Manchester, Bri...

Join Pynea as a Senior Software Engineer in London. Design and build secure, scalable enterprise workflows using TypeScript, GraphQL, and PostgreSQL. Leverage your AWS/GCP expertise to develop high-concurrency systems and ensure reliability. This contract role requires a self-directed professiona...

Lead our frontend ecosystem as a Team Lead Software Engineer in London. You'll manage a team, build design systems with TypeScript/React or Flutter, and empower product development. Enjoy extensive benefits like private healthcare, a sabbatical, and a strong learning budget.

Join Abatable in London as a Software Engineer. We seek a product-minded, full-stack expert with 5+ years' experience in React, TypeScript, and APIs. You'll own projects end-to-end, collaborate cross-functionally, and enjoy competitive compensation, health insurance, and generous time-off benefits.

Join a London-based startup revolutionizing sports data with real-time platforms. As a Senior Software Engineer, you'll design high-performance Go APIs and data pipelines. This remote/hybrid role offers equity, professional growth, and a collaborative, innovative environment.

Join a high-calibre team in London as a Junior Java Engineer. Work on real production systems with modern backend frameworks and APIs. Gain mentorship in a collaborative, low-ego environment with a hybrid work model. Ideal for curious developers eager to learn and grow their Java skills.

Lead the development of our high-traffic OpenSearch infrastructure in London. You will architect scalable search solutions, manage critical clusters, and optimize for performance and reliability. This senior role requires deep Elasticsearch/OpenSearch expertise and offers ownership from design to...

Join a world-class cybersecurity startup in London as a Senior Software Engineer. Shape architecture and drive technical decisions for a critical, high-impact product. Requires 5+ years' experience with Python, Java, C#, Rust, or Go, and a passion for building secure, scalable systems. Enjoy comp...

Lead quality engineering for microservices in London. Design and drive automation strategy for GraphQL/REST APIs using TypeScript/Go. Build CI/CD pipelines and shape quality culture in this greenfield role.

Join Microsoft's global Industry Solutions Engineering team in London. Collaborate directly with customers to develop innovative cloud solutions using modern software engineering practices. This role requires deep expertise in diverse technologies and a commitment to continuous learning. Contribu...

Join a global payments leader in London, building resilient, event-driven backend systems at scale. We seek a Senior Java Engineer with deep distributed systems and cloud-native expertise. You'll design critical services for real-time financial flows, ensuring high performance and reliability. En...

Join a world-class cybersecurity startup in London as a Senior Software Engineer. Shape architecture and drive technical decisions for a critical, high-impact product. Requires 5+ years' experience with Python, Java, C#, Rust, or Go, building scalable systems. Enjoy real ownership, competitive pa...

Join Barclays in London as a Software Engineer for CIAM. You will design and develop a market-leading digital platform using IAM expertise in ForgeRock, OAuth2, and OIDC. This hybrid role offers a chance to modernize our digital estate with a focus on seamless customer authentication. Enjoy a com...

Join Barclays in London as a CIAM Software Engineer. You will develop and modernize our digital platform using IAM expertise in ForgeRock, OAuth2, and OIDC. This hybrid role involves coding in Java/JavaScript and designing secure APIs. We offer private medical care, pension, and a focus on wellbe...

Join a London-based team as a Backend Software Engineer. Build core banking or SaaS features using functional programming, ideally Clojure. Collaborate with product and design to solve complex customer needs in a fintech environment.

Join our In-Car Payments Engineering team in London as a Senior Software Engineer. You will build secure, cloud-based transaction systems using TypeScript, Node.js, and AWS serverless technologies. This role requires PCI DSS expertise to develop and maintain our cutting-edge payment infrastructur...

Join a remote-first team as a Frontend-leaning Full-Stack Engineer. Use React and TypeScript to build user-facing features in a product trusted by freelancers. Embrace an ownership culture, AI-assisted development, and work in UK-friendly timezones. Enjoy benefits like a MacBook Pro, healthcare, ...