full stack ruby engineer jobs in London

Lyst is seeking a Senior Full-stack Engineer to join the Shop Experience squad in our Product Development tribe. You will design and build customer-facing features across the full stack using React, TypeScript, and Python (Django), influencing architecture and engineering practices.You will collaborate with Product, Design, Analytics, and QA to ship...

iFindTech Ltd is seeking a Senior Microsoft Full Stack Engineer to join the technology team on an initial 12-month contract. This hands-on role requires strong experience across the Microsoft ecosystem, combining SharePoint, React, Power Platform, Azure and Copilot Studio to design and deliver modern digital solutions.You will work with architects, product...

Ema is building AI Employees for HR, IT and Finance with offices in London. We are looking for a talented software engineer to design, develop, and deploy modern web applications that empower teams and automate complex workflows.You will collaborate with product managers, UX designers, and engineers to create high-fidelity prototypes, implement robust APIs...

Lindus Health is hiring a software engineer for an onsite role in London with hybrid flexibility. You will help build and scale our platform powering clinical trials, collaborating with product managers, designers and users.The stack spans frontend (TypeScript/React), backend (Python/Node.js/Postgres) and infrastructure (AWS). We expect 3+ years in software...

Koch Ag & Energy Solutions in London is seeking a Senior-level Full-Stack Software Engineer to design and deliver scalable technology solutions for middle-office capabilities, including trading operations and data integrity.You will influence architecture and guide platform evolution while improving data quality, operational controls, and reliability. Based...

Holt Recruitment Group is recruiting a Global technology organisation to hire a Full Stack Software Engineer in London. You will develop data-driven applications, cloud platforms and AI-enabled tools across the full stack.You'll work in a hands-on team, shaping architectural decisions, delivering new features, and evolving existing applications into...

Keylane UK is seeking a Full Stack Developer to build SiteView with React front-end and Java/J2EE back-end, in a Docker/AWS environment.You will contribute across the development lifecycle, prototype features, write tests, and deploy, collaborating with a small team to deliver scalable SaaS for insurers. You will investigate issues, optimize performance, and...

Build and own the web platforms behind Morgan’s Grocer — from the online storefront customers shop on to the internal systems that keep our stores and deliveries running. What you’ll work on The online grocery storefront and customer web experience APIs connecting our web, mobile, store, and delivery systems Internal tools for store operations and...

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JPMorganChase is seeking a Full Stack Software Engineer, AI Engineering to design, develop, deploy, and maintain AI products across software, cybersecurity, and infrastructure. You will partner with engineers and researchers to move ideas from prototype to production while upholding high engineering standards.You will contribute to secure, scalable systems...

Job Description Full Stack Engineer London N1 – Full Time – Hybrid – Salary Dependent on Experience Ready to revolutionize global logistics? Join Reelables and help us transform how the world tracks packages. We’re pioneering paper-thin smart shipping labels using Bluetooth and 5G to track millions of packages globally — and we’re building the...

JPMorgan Chase is seeking an experienced Software Engineering Leader to join the Asset & Wealth Management Risk Technology group as a Lead Software Engineer. You will design, develop and evolve a business-critical risk analytics and reporting platform used by Risk managers and senior leadership across the firm.You will partner with Product, Risk, Data,...

Fitch Ratings in London is seeking a Senior Software Engineer to lead and shape front-to-back applications within Ratings Technology. You will craft mission-critical full-stack solutions and influence architectural direction.The role emphasizes AI exploration, collaboration with product teams, and delivering high-quality user experiences at scale, with...

Focused is seeking an Agent Engineer (LangChain) in London to drive AI-enabled software delivery. You will lead end-to-end development across backend services and frontend interfaces, pairing daily to raise quality.You will guide architectural decisions and collaborate with product managers, designers, and stakeholders to create valuable AI-powered...

A leading tech recruitment agency is offering a Full Stack Developer Opportunity in London. The successful candidate will design and implement services in Python and collaborate on infrastructure maintenance in a dynamic, agile team. They must have at least 4 years of experience and the right to work in the UK. This role offers the chance to work on...

Conveo is seeking a Senior Product Engineer to own the full stack, from the interface to the cloud infrastructure. You’ll lead frontend architecture in React/TypeScript, design robust APIs, and deliver AI-powered features built on LLM APIs.You’ll work closely with customers, shape product direction, and report to the CTO. The role blends hands-on coding...

PlannerPal is seeking a Senior Full-Stack Engineer to bridge application development with a strong background in DevOps and enterprise-level engineering. You will design and build key features, develop CI/CD pipelines, and deploy AI-enabled services on AWS.The role offers remote-first work within the UK and close collaboration with founders during a defining...

Senior Full-Stack Software Engineer, (Forward Deployed), GPSLondon, UKScale’s rapidly growing Global Public Sector team is focused on using AI to address critical challenges facing the public sector around the world. Our core work consists of:Creating custom AI applications that will impact millions of citizensGenerating high-quality training data for...

Faculty AI is seeking a Full Stack Software Engineer to collaborate with cross-functional teams and build AI-powered systems for global clients. Take ownership of the full stack from frontend to backend, turning ML outputs into production-ready solutions that scale.You will lead cross-functional teams with data scientists and product managers, design robust...

DV Trading is seeking a seasoned full-stack developer to join our risk team. You will help build real-time risk systems, dashboards, and analytics powering PnL, VaR, and other risk metrics.Responsibilities span backend and frontend work, CI/CD, and platform reliability under live trading conditions; you will apply AI coding assistants and integrate LLM APIs...