full stack ruby engineer jobs in London

Job SummaryWe have an exciting and rewarding opportunity for an experienced Software Engineering Leader to join JPMorgan Chase.As a Lead Software Engineer within Asset & Wealth Management Risk Technology, you will lead the design, development and evolution of a business-critical risk analytics and reporting platform used by Risk managers and senior...

As a Senior Lead Full Stack Software Engineer at JPMorgan Chase within Cybersecurity and Technology Controls, youserve as a seasoned member of an engineering team that works to lead the delivery of software solutions that satisfy pre-defined functional and user requirements with the added dimension of preventing misuse, circumvention, and malicious behavior....

Why Faculty? We established Faculty in 2014 because we thought that AI would be the most important technology of our time. Since then, we’ve worked with over 350 global customers to transform their performance through human-centric AI. You can read about our real-world impact here. We don’t chase hype cycles. We innovate, build and deploy responsible AI...

Hey! We're team the company We're building a category-defining product, backed by a $125M Series C and used daily by teams at companies like Cursor, Vanta, and Linear. We started by making meeting notes better. Now we're turning every conversation a company has into context that people and agents can act on. Most of what that means for users hasn't been...

Perci Health is reimagining how cancer care is delivered and experienced. As the UK’s largest virtual cancer clinic, we provide whole-person, end-to-end support - from risk reduction and early detection to rehabilitation and long-term recovery. We exist to close the critical care gap in modern cancer services, combining digital innovation with expert-led...

Founded in Switzerland in 1968, Zühlke is owned by its partners and located across Europe and Asia. We are a global transformation partner, with engineering and innovation in our DNA. We're trusted to help clients envision and build their businesses for the future – to run smarter today while adapting for tomorrow’s markets, customers, and communities....

Lead Full Stack Engineer (TypeScript Python API) London / WFH to 125kDo you enjoy working with a range of programming languages and agentic AI?You could be progressing your career as a Lead Full Stack Engineer at a massively profitable Private Equity firm that invest in businesses across the finance, investment management and insurance space.As a Lead Full...

Full Stack Engineer / Technical Lead (Ruby TypeScript React) London / Remote to 130kOpportunity for a full stack technologist to join a highly regarded provider of serverless real-time infrastructure for the Internet that processes billions of messages a day and powers everything from live chat and VoIP calls to real-time pricing and stock availability for a...

Senior Vice President, Full-Stack Engineer Opportunities.At BNY, our culture allows us to run our company better and enables employees’ growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the world’s investible assets. Every day, our teams harness cutting-edge AI and...

MJA (London) Ltd in the City of London is seeking a detail‑oriented engineer to join an existing team, quickly understand the architecture, contribute production‑quality code, troubleshoot distributed systems, and independently drive assigned deliverables through to deployment.Experience with MongoDB, Express.js, Angular, Node.js, C#/.NET Core 10+ and...

the company is seeking a Full Stack Software Engineer to build custom web and backend solutions for enterprise clients in London. You will work with React, TypeScript, Node.js, Python, Go and/or Java in a Scrum environment with one-week sprints and peer reviews.The role emphasizes collaboration with Designers and Project Management, delivering end-to-end...

Take a leading role in crafting next-level, end-to-end solutions for Apex Invest, ensuring every digital touchpoint not only delights clients but also propels innovation and sets new standards of excellence throughout ourorganisation. About Apex Invest At Apex Invest, we specialise in cutting-edge investment solutions that transform the way businesses and...

⚡️About VolterVolter is a top-tier climate VC-backed B2B energy tech platform building the products that make clean, renewable power simple for businesses everywhere. The energy transition is a huge and vital opportunity, but it's currently too difficult for commercial & industrial companies to achieve. Historically, the energy industry has been too...

Oliver Bernard is seeking a Senior Full Stack Engineer for a fast-growing B2B tech company. You will build scalable web applications across the full stack, partnering with product and design to deliver high-impact features that customers genuinely value. This hands-on role offers ownership and the opportunity to influence technical direction.Visa sponsorship...

Torsido Technologies is seeking an experienced web engineer to build secure, scalable web platforms and client portals with strong engineering standards. You will contribute to full-stack delivery from architecture to production support.You will translate requirements into robust technical plans, develop reusable UI components and APIs, and participate in...

TP ICAP Group Services Ltd in London seeks a Senior Engineer to design, develop and deploy software across production with a focus on modern architecture and high performance. You will mentor juniors and collaborate with AWS partners to deliver a scalable Fusion Platform.You will own design, development, testing and deployment, working in a cross-functional...

OverviewAre you a Full-Stack Engineer who thrives on building things from scratch and wants to shape a new platform for agentic AI economics? Want to be engineer #3?About the MissionBuild the go-to intelligence platform for tracking AI agent costs, margins, and predicting future burn. You\'ll architect, own, and deliver real-time data streaming, analytics,...

At Open, we exist because we believe that insurance does not have to be seen as complicated or costly. We’re an AI-powered platform transforming insurance globally — making it more transparent, cost-effective, and customer friendly. Since launching in 2016, we’ve grown into a certified B Corporation, operating across ANZ and the UK, and building...

Preply is seeking a Senior II Full Stack Engineer to join a fast-growing, globally distributed team in a backend-heavy role. You will own backend and contribute to frontend work in React/TypeScript while shaping architectural direction and driving impactful product outcomes.You’ll collaborate with Product, Data, and UX teammates to deliver scalable...

HCL Technologies Limited is seeking a Lead Java Engineer - Full Stack Developer to join our RMS Trade Processing platform in London. You will contribute to a strategic, fintech-focused system handling complex OTC derivatives across the trade lifecycle, from booking to settlement, using Java, Spring Boot, and React.You will drive architecture decisions, own...