full stack ruby engineer jobs in London

Join a team where your engineering decisions matter at scale. At JPMorganChase, we build production-grade software that powers critical Global Banking businesses — and we're looking for engineers who take ownership, raise the bar, and grow fast. You'll work in a culture of strong code reviews, fast feedback, and scalable architecture, with real...

Warden AI is hiring a Full-stack Product Engineer to build and evolve core product experiences of our AI assurance platform. You will join an existing engineering team, report to the CTO, and collaborate with product, data, and customer-facing teams to deliver reliable software.A strong candidate will bring solid TypeScript and React experience, with Next.js...

RemoteStar is partnering with a FTSE 250 fintech client to hire a Senior Full Stack Engineer (AI enablement) for Lifecycle. London-based with hybrid work (2/3 in office).You will own AI-driven tooling across the Java backend and frontend stack, building tests, deploying features, and linking AI tools with Jira, GitLab and CI/CD. You’ll be deeply involved...

Rothstein Recruitment is seeking a .NET Developer to join a financial services team in London. You will work across front and back ends, contributing to product-led features that impact customers directly.You will collaborate with product managers, designers, and users, pursuing agile delivery, continuous learning, and robust DevOps practices to ensure...

Corgi Insurance Inc. in London is seeking a Full Stack Engineer to help rebuild our financial infrastructure. You will own end-to-end web applications across the stack, work across Python, Golang, TypeScript, Next.js and infrastructure, and design integrations with external platforms.Join a high-output team that ships daily, operates on-site in London, and...

Senior Full Stack Product Engineer Department: Tech - Engineering Employment Type: Full Time Location: Zinc - London Reporting To: Rob Leonard Compensation: £70,000 - £80,000 / year Description We are expanding our engineering team to boost our development capacity and take our product to the next level. As a Senior Full Stack Product Engineer, you’ll...

Whiteshield is seeking a Full-Stack Developer for its AI Economics Unit in Barcelona. You will build and scale data-intensive web applications powering policy advisory products and decision-support platforms.You will own features from design through deployment, delivering high-quality UI with Next.js/React and robust backend services in Python/FastAPI, while...

Finastra is seeking a Senior Software Engineer to help design, develop, and deliver high-quality software for e-billing and payments. This full-stack role emphasizes Python expertise and collaboration in a fast-paced environment.You will lead others, shape architecture discussions, and build modern web applications for financial messaging, with Agile teams...

Corgi Insurance Inc. in London is seeking a Senior Full Stack Software Engineer to lead the design and development of systems powering our insurance operations and internal tooling.You will own major projects, collaborate with leadership, product, and operations, and drive architecture, scalability, and reliability from concept to production. This is an...

White Swan Data is seeking a skilled Full Stack Engineer to join our London-based Engineering team. You will contribute to UI development with React, backend microservices in Node.js/Python, and data workloads on GCP, BigQuery and Pub/Sub.The role covers the full stack from scoping to deployment, with a focus on reliability, performance and maintainability....

White Swan Data in London, UK is seeking a skilled Full Stack Engineer to own and evolve our microservice-driven platform. You will work across UI and backend components, translating business requirements into reliable systems and contributing to a cloud-first development and operations model.The role emphasizes building reusable React components, optimizing...

DV Group is seeking a skilled full‑stack developer to join the risk team. You will design and maintain the in‑house risk engine, performing real‑time PnL, VaR, greeks and risk metric calculations within live trading conditions.The role combines backend and frontend work with strong DevOps practices and hands‑on AI tooling usage to produce...

At Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business.Here, you'll do meaningful work that helps millions of...

Location: London (Hybrid) (UK-based)Salary: £50,000 + EquityDepartment: EngineeringJob Type: Full-TimeCategory: HybridAbout ZenroxZenrox Healthcare UK is developing an AI-powered marketplace connecting healthcare facilities with MHRA-compliant medical equipment suppliers. Our platform, ZenroxIQ, enhances procurement through intelligent matching, automated...

JPMorganChase is seeking a Lead Software Engineer within the Infrastructure Platforms, Data Center Services team. You will own end-to-end technical delivery while serving as the Application Owner for one or more apps, ensuring lifecycle management, risk posture, resiliency, and compliance with firm standards.This role blends hands-on software delivery with...

About Us Ticket Tailor is committed to empowering a diverse range of event creators through simple and affordable ticketing. But that's not all, we're also on a mission to make sure that every single ticket sold has a positive impact on all stakeholders, our team, our planet and the communities we operate in. We call this "Growth on Purpose" and are proud to...

This role is with one of Dex's trusted partner companies. We work closely with their teams to truly understand their culture, goals, and what they're looking for, so we can match you with the right opportunity and give you context about the role before you commit to a process.The roleSecurity teams waste cycles re-investigating the same vulnerabilities. This...

Deutsche Bank is hiring a Full Stack Engineer (React) for London & Birmingham. You will design and deliver responsive React/TypeScript interfaces, while collaborating with business stakeholders and other technologists to ensure robust system designs for Trade Finance and Lending.You will contribute to Java back-end APIs, implement best practices, and advance...

Ellipse is hiring a Full Stack Engineer to join our football technology team. You will develop and maintain backend services and databases, building scalable and secure applications across the tech stack.You will translate business needs into reliable software, design APIs with security in mind, and collaborate on DevOps tasks. The role emphasizes data...

Meet Dex is partnering with a London-based platform rebuilding property investment end-to-end. You’ll own features from concept to deployment on a high-asset platform, shaping problems with product and design, and driving an AI-native engineering culture.The role emphasises ownership, ambiguity tolerance, and the use of AI tools to elevate daily...