full stack javascript engineer jobs in London

Capital Group is seeking a Senior Software Development Engineer to lead the development of full stack applications and data-enabled products within the Enterprise Data Office. You will contribute to discovery, architecture, design, coding, testing, deployment and operational excellence while mentoring engineers.You will apply AI-enabled engineering...

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...

Building and enhancing front-end trading and workflow applications using React, TypeScript and Java.Developing and maintaining backend services supporting order routing, execution workflows and trading infrastructure.Partnering closely with quantitative research, execution and trading teams to deliver new functionality and platform enhancements.Helping scale...

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...

About Us Every business needs to know who they’re really working with whether it’s suppliers, investors, partners, or third parties. At Xapien, we’re reinventing how organisations do that, combining speed, scale and accuracy with cutting-edge AI. Since 2018, we’ve grown from a deep-tech startup to a global player in AI-driven due diligence and risk...

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...

Location: UK or NetherlandsTech stack: Ruby, Angular, TypeScript, SASS, design system, Contentful, GitHub ActionsFocus: hands‑on full stack product work, with room to grow into frontendAbout Tech at Bloom & Wild GroupWe're Europe's largest direct-to-consumer flower and gifting business (Bloom & Wild, bloomon and Bergamotte).Our Tech team builds the...

Location: UK or Netherlands Tech stack: Ruby, Angular, TypeScript, SASS, design system, Contentful, GitHub Actions Focus: hands-on full stack product work, with room to grow into frontend About Tech at Bloom & Wild Group We're Europe's largest direct-to-consumer flower and gifting business (Bloom & Wild, bloomon and Bergamotte). Our Tech team builds the...

A leading AI technology firm is looking for a Full Stack Software Engineer (Forward Deployed) to collaborate with public sector teams in building impactful AI applications. The role involves designing architectures, mentoring staff, and ensuring scalable solutions. Ideal candidates will have a Master's or PhD in Computer Science, over 10 years of full-stack...

Tripadvisor is seeking a Senior Software Engineer with a front-end focus and strong backend capabilities to join our Experiences Engineering team. You will own features end-to-end, driving architecture decisions for a highly scalable platform that serves millions of travelers globally.The role emphasizes autonomy, technical leadership, and collaboration with...

We’re an award-winning consultancy known for delivering exceptional products and services through technology. We work closely with organisations to help them accelerate value delivery and create outstanding customer experiences. Our purpose is simple: to empower organisations to make a real difference for people, society, and the planet through technology...

Aurum Search Limited is recruiting a Software Engineer for a London office with a hedge fund client. You will design and build solutions that improve operational efficiency and deliver insights to stakeholders across business teams.You will work on full-stack development, build data-driven features, and collaborate with investment and business units to...

A highly successful, technology-enabled financial services business is seeking a Senior Software Engineer to help shape the next generation of its internal systems, automation capabilities, and AI-enabled workflows.This is an opportunity to join a growing technology team at a business where software directly influences operational performance, decision...

Junior is building the AI operating system for investment research in London. You’ll own features end to end across the frontend, backend and data layer, and ship on a weekly cadence that lands with demanding, paying customers.You should have 3+ years of engineering experience and be genuinely strong in TypeScript, Next.js and PostgreSQL. You’ll talk...

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...

ElevenLabs is hiring full‑stack engineers to develop and maintain our product suite, leveraging cutting‑edge voice models. You’ll own features end‑to‑end across frontend and backend, collaborating with teams to deliver high‑quality experiences for millions of users.We value problem solvers who can work across time zones in a remote setting, with...

Build the Future of Cyber Security Learning at Scale Join TryHackMe as a Senior Full-Stack Engineer. We are a fast-growing, highly profitable cybersecurity training platform trusted by over 9 million learners and 1,000+ enterprise organisations globally, including Google, KPMG and the US Military. Whether you’re building gamified learning mechanics for...

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...

Software Engineer Full Stack Java - HealthTech This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server Software Engineer / Developer (Full Stack Java) London / WFH to £100k Are you a Java technologist? You...