full stack ruby engineer jobs in London

A leading FinTech company is seeking a Full Stack Node.js/React Developer to shape the future of global payments. You will lead the frontend transformation, creating user-friendly interfaces and innovative financial applications. The ideal candidate has strong skills in Node.js and React, with a focus on security and user experience. This position allows for...

Contract: 12 monthsLocation: LondonWorking Model: Hybrid - 2 days onsite, 3 days remoteRate: £500 inside IR35 per dayClearance: UK Security Check (SC) clearance requiredThe OpportunityJava Full Stack Engineer - SC ClearedThe OpportunityWe're seeking an experienced Java Full Stack Software Engineer to join a software engineering team delivering technology...

Trinity College London is seeking a Senior Developer to join our Product Engineering team and help bring an AI-driven music and language learning platform into production. This hands-on role combines modern full-stack technologies and collaboration across AI, DevOps and Data disciplines to accelerate delivery.You will work with overseas teams to drive...

Futureheads, a fast-growing UK B2C business, is hiring a Full Stack Engineer to build customer-facing features and APIs using JavaScript/TypeScript, with a strong AI focus.You'll work across frontend and backend, own from scoping to delivery, contribute to AI-driven development, CI/CD, observability, and have genuine ownership in a collaborative,...

Full Stack Engineer C# TypeScript - AI Start-up London, Greater London | £100k - £120k per year Full Stack Engineer / Developer (C# TypeScript Azure) London / WFH to £120k Are you a technologist with full stack development skills looking for an opportunity to make an impact at a scaling start-up? You could be joining a tech incubator funded by a major...

Hackajob Ltd in London is seeking a Senior Specialist, Full-Stack Engineer to deliver backend services and UI components across the full product lifecycle. You will own end-to-end delivery, implementing and testing using Java and modern frameworks while collaborating with cross-functional teams.The role emphasizes strong automation, observability, security,...

Norton Rose Fulbright in London is seeking a Full-Stack Product Engineer to own user-facing applications for R&D products, turning complex document- and data-heavy workflows into clear, useful experiences and building the integrations needed to take products from concept to controlled use.You will work alongside AI engineers, data scientists and business...

Grid Dynamics in London is seeking a Senior Full Stack Engineer to join a multi-year transformation for a Tier 1 investment bank's Prime Finance Equities business. You will contribute across the full stack—from event-driven backend services in Java/Kotlin to modern React/TypeScript frontends and real-time data experiences.You will work on live,...

Gazelle Global Consulting Limited is hiring a Full Stack Python Developer for a 12-month contract in London with hybrid work (3 days onsite). You will work across backend and frontend, building scalable Python/Flask services, REST APIs and modern JavaScript applications.You’ll collaborate on full-stack development, integration, deployment and production...

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...

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,...

Humaans is seeking a skilled full‑stack engineer to help shape and deliver high‑quality SaaS features. You will work across backend and frontend in a fast-paced environment, collaborating closely with product managers and designers to launch customer‑facing improvements.You will contribute to architecture planning, write robust backend in...

BNY, a leading global financial services company, is seeking a Senior Vice President, Full-Stack Engineer to lead high-impact engineering teams in London. The role involves owning end-to-end delivery of mission-critical software, raising engineering standards, and collaborating with product and business stakeholders to create secure and scalable systems.The...

Figma is seeking software engineering interns to contribute to multiple layers of our product and infrastructure from our London hub. You will join small, collaborative teams, pair with mentors, and work on meaningful features or tools with real impact.You’ll learn, ship, and grow while gaining exposure to internal systems and open collaboration across...

J.P. Morgan is seeking a Software Engineer III in London to own end-to-end delivery of secure, full-stack features across microservices architectures.You will design, implement, test, and operate production-grade software, leveraging Kafka, Spring Boot, and CI/CD pipelines while driving performance, resiliency, and automation for scalable financial...

Harvey Nash Group is seeking a Senior Full-Stack Engineer in London to co-lead architecture and build data-driven products for sales, account management, and customer success teams. You will work with Python, TypeScript, AWS, and Terraform across web portals, document generation, and cloud apps processing billions of records.You'll mentor teammates,...

Champion Data in the United Kingdom seeks a Senior Full-Stack Engineer to join our technology team. You will be hands-on, delivering reliable, secure software with an AI-first approach, focusing on polished front-end experiences using TypeScript, React and Next.js, while supporting back-end services.You'll own features end-to-end, collaborate across...

algo1 is building an AI-native product for in-store experiences. We seek a full-stack engineer with a frontend bias to design and build web interfaces that retailers and brand partners rely on for real-time insights and activation.You will own end-to-end features from concept to production, collaborating with design, mobile, ML teams, and our Head of B2B...

# Senior Software Engineer - Full Stack/Front-end focusedTripadvisorRemoteUnited KingdomSoftware EngineeringPosted Oct 15, 2026Senior Software Engineer About Tripadvisor The Tripadvisor Group connects people to experiences worth sharing, and aims to be the world’s most trusted source for travel and experiences. We leverage our brands,...

Octopus Electric Vehicles, part of the Octopus Energy Group, is hiring a Senior Fullstack Software Engineer (Python & React) to join our product and engineering team in the UK. You’ll build APIs, develop frontend experiences, and create scalable systems powering our electric car leasing platform.You’ll work with Python, GraphQL, React/Next.js, PostgreSQL...