Software Engineer - Platform United Kingdom, London Jobs (Hybrid work)

Join our London team as a Senior Software Engineer. You will lead development on our PHP/MySQL/AWS platform, building scalable RESTful APIs and web applications. We value expertise in modern software engineering, CI/CD, and full-stack performance tuning. Enjoy a collaborative, supportive environm...

Join a leading investment firm as a Senior Software Engineer (Contract) on their high-scale Market Data Platform in London. You will design and optimize critical systems using Java and Python, handling billions of real-time data points daily. This high-impact role requires expertise in low-latenc...

Lead the technical vision as a Principal Software Engineer at Automata, shaping scalable, software-defined lab automation in London. You'll architect our core platform using Golang, Kubernetes, and distributed systems, with 12+ years of backend expertise. Mentor senior engineers, enjoy comprehens...

Join Microsoft's OneFuzz team in London as a Senior Software Engineer. Develop a scalable, cloud-based fuzzing platform using Python, C#, or Rust. Integrate security testing into CI/CD pipelines and advance fuzzing techniques. Collaborate on open-source innovation within a distributed systems env...

Join our London-based team as a Software Engineer to build AI-native developer tools in a fast-paced, high-trust environment. Leverage 5+ years of experience and cutting-edge AI coding tools to design, prototype, and scale innovative products. Enjoy benefits like 25 days holiday, health insurance...

Join Intercom in London as a Forward Deployed Software Engineer. You'll work hands-on with strategic customers, bridging the gap between their needs and our AI product, Fin. This role requires strong engineering skills, SaaS experience, and a passion for AI/ML to drive real business outcomes. Enj...

Join our London team as a Senior Software Supply Chain Security Engineer. You will design and implement secure, cloud-centric solutions using AWS, Kubernetes, and Terraform. Champion DevSecOps practices and integrate security into CI/CD pipelines within an inclusive, flexible culture. Drive engin...

Lead the development of cutting-edge AI products at Citi's innovation hub in London. This role requires deep Golang expertise and hands-on Kubernetes experience to build scalable, high-performance platforms. You will pioneer Generative AI solutions while mentoring a talented engineering team. Enj...

Join our London team as a Senior Software Engineer. You will design technical architecture and lead complex projects in Scala/Python, shaping the SolstiCE platform. This role offers a bonus, private medical care, and 27 days' leave. Drive efficiency and automation for our Equity Derivatives busin...

Join Ledger's Cloud Wallet team in London as a Staff Software Engineer. Build robust, scalable backend services in Scala/TypeScript for crypto wallet management. Leverage functional programming to power blockchain-based products in a hybrid work environment with equity and comprehensive benefits.

Join our Cloud Wallet team in London as a Staff Backend Engineer. Build robust, scalable services in a polyglot environment using Scala and TypeScript. A passion for functional programming, blockchain technology, and teamwork is key. Enjoy equity, hybrid work, and comprehensive health benefits.

Join our Cloud Wallet team in London as a Staff Backend Engineer. Build robust, high-performance Scala services for crypto wallet management in a hybrid work environment. Leverage functional programming, optimize with CI/CD, and dive into blockchain protocols. Equity, comprehensive health insuran...

Shape the future of global finance as a Software Engineer in London. Develop greenfield structured products using React, TypeScript, Kotlin, and Kafka within a microservices architecture. Embrace DevOps, CI/CD, and Agile practices while enjoying a hybrid model, bonus, and comprehensive benefits.

Join a scaling B2B SaaS firm in London, building a global compensation intelligence platform. As a Senior Software Engineer, you'll own core features end-to-end with TypeScript across the stack. We seek a collaborative expert who designs scalable systems and mentors peers, offering a clear path t...

Lead Software Engineer role in London for a scaling B2B SaaS platform. Take ownership of core systems, driving technical direction in TypeScript (Node.js/frontend). Lead complex projects, mentor engineers, and shape architecture in a fast-paced environment. Competitive salary, equity, and benefit...

Join Citi's XiP team in London as a Senior Software Engineer. Design and optimize the core distributed Risk Calculation Engine for global trading desks. Leverage your deep Java, Spring, and large-scale system expertise in a pivotal role. Enjoy global benefits supporting your well-being and profes...

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 services. Your expertise in PCI DSS, API security, and Terraform will be key to delivering cutting-edge in-car co...

Seeking a Senior/Principal Software Engineer in London to lead backend development on a PHP/MySQL/AWS platform. You will architect scalable RESTful APIs, optimize database performance, and guide the team with modern CI/CD practices. This role demands strong PHP expertise, a passion for Golang, an...

Join our London team as a Senior Software Engineer. You will develop scalable PHP/MySQL platforms and RESTful APIs on AWS, focusing on performance and security. We value expertise in modern CI/CD, software architecture, and mentoring. Enjoy a collaborative, supportive, and inclusive work environm...

Join our Institutional team in London as a Kotlin Software Engineer. Design and build scalable backend systems, APIs, and microservices for advanced financial platforms. We seek strong Kotlin expertise, a passion for fintech challenges, and a commitment to quality-driven engineering. Enjoy a high...