full stack ruby engineer jobs in London

InnoCraft (Matomo) is building privacy-first analytics features in a fully remote UK role. You will own innovation from concept to deployment, collaborating with CTO and senior engineers to deliver production-ready solutions that integrate into Matomo’s core platform.We seek a seasoned Full Stack Engineer with 3–5 years of backend PHP/Python and frontend...

Our client is a global financial services and investment company. We're seeking a future team member for the role ofSenior Vice President, Full-Stack Engineerto join our team. This role is located inLondon or New York. In this role, you'll make an impact in the following ways: Design, build and deliver enterprise-grade AI-driven solutions, including machine...

Data Science Festival is seeking a .Net Developer to take ownership of a core product platform that evolves with the organization. This senior role is primarily focused on enhancing the platform to deliver interactive experiences.You will closely collaborate with product, design, and engineering teams to improve features and security while integrating AI....

Hopper is seeking a senior full stack engineer to anchor HTS Assist, owning the realtime voice layer end to end while building React/TypeScript front ends and Scala/Python services. You will work across cloud infrastructure (GCP/AWS) and partner integrations, with a focus on low-latency, scalable architecture for global travel clients.The role demands...

Develop full-stack applications using TypeScript and Node.js.Collaborate with cross-functional teams to deliver high-quality software.Participate in code reviews and contribute to team best practices.Engage in problem-solving and debugging complex issues.Stay updated on emerging technologies and trends.Skills the posting asks forTypeScriptNode.jsSummarised...

An innovative technology company in London seeks a Graduate Full Stack Engineer. This entry-level role offers exceptional training and mentoring, aiming at recent graduates with a passion for technology and creativity. Ideal candidates will have strong academic credentials, technical skills from projects or internships, and excellent communication abilities....

Build the core Xybern workspace, focusing on high-performance data visualization, collaborative reasoning tools, and audit-ready export systems.What you’ll doCollaborate with the founders to define and execute the AI Workspace roadmap.Bridge the gap between cutting-edge research and production-grade reliability.Own a substantial part of the system, from...

Our Future Health is seeking a software engineer to develop full-stack applications using TypeScript and Node.js. You will collaborate with cross-functional teams to deliver high-quality software and participate in code reviews to uphold best practices.You will engage in problem-solving and debugging complex issues while staying updated on emerging...

Smart Communications is a leading customer engagement technology provider for regulated industries. We are seeking an experienced full stack developer to extend our long‑lived enterprise product, from the Java back end to the browser, with a focus on clean, well-tested code.You will join an Agile team, own features end-to-end, and contribute to automated...

A pioneering clean energy company in London is seeking a Software Engineer to enhance their website and develop internal tools. The ideal candidate has a Bachelor's degree in Computer Science and at least 2 years of experience in web development, along with proficiency in React and Django. This role includes automated testing and collaboration with...

Dex is partnering with clinics to build an AI-powered operating system for outpatient care. You will own a product domain end-to-end, shipping features that automate scheduling, documentation, and remote monitoring. Expect fast-paced delivery, coding agents as core tools, and decisions that shape the product's future. You will work across TypeScript,...

Pearson Carter Limited is partnering with a UK-based outdoor retailer to hire a Senior Full Stack Developer. The role centers on C#, React and TypeScript, with microservices architectures and API development in a remote-first environment.You'll work on greenfield and legacy projects, integrate with SQL Server and third-party services, and participate in...

SQUAREPOINT CAPITAL is seeking a Software Developer for Data Products and Services in London. You will design, build, and maintain data-driven products including ML frameworks and microservices, collaborating with investment teams to meet business goals.You will gather requirements from stakeholders, develop scalable Python backends and React frontends, and...

Winton is seeking a Senior Full Stack Developer to deliver end-to-end post-trade and reporting software. You will collaborate directly with operations, fund accounting and senior management, owning solutions from requirements gathering to deployment.The role focuses on C#/.NET backend, Angular/TypeScript frontend, and data technologies (MSSQL, PostgreSQL) in...

# Senior Full Stack EngineerLondon, United Kingdom · HybridEngineering · Full-timeApply for this job## About the roleWe're building an advertising management platform that helps businesses optimise their social campaigns, with a focus on Meta (Facebook) ads and seamless bulk ad launching. This role is based in London.* Stack: Next.js, React, Tailwind CSS,...

Build and deliver the next generation of privacy-first analytics capabilities — from rapid prototypes and AI-powered insights to scalable product innovations embedded directly into Matomo’s core platform. Own end-to-end innovation development within a small, autonomous team, working closely with the CTO and senior engineers to turn high-impact concepts...

Capgemini ищет опытного Java Full Stack разработчика в финансовый сектор для работы в подразделении по банковским услугам и облачным приложениям. Ваша задача — проектировать и внедрять масштабируемые...

Arrows Group Professional Limited is seeking a Full Stack Engineer in London with strong Clojure skills and experience in TypeScript and React. This back-end heavy role emphasizes production-grade software engineering and collaborative development across the stack.You will contribute to ongoing projects, maintain existing codebases, and work closely with the...

Full Stack Engineer - React/ Typescript - Python (VP) Engineer the future of global finance. At Citi, our Tech team doesn't just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets,...

ARCA Consulting Ltd. is seeking a seasoned Full Stack .NET Developer to support a major digital programme. You will combine Microsoft backend development with React frontend work and hands-on Azure expertise to deliver scalable cloud solutions.Ideal candidates will have strong C#/.NET experience, Azure DevOps and CI/CD proficiency, and a solid grasp of...