full stack javascript engineer jobs in London

We’re looking for a Staff Software Engineer (Full Stack) to play a pivotal role in driving the technical success of Runna This is a hands‑on role where you’ll work across multiple squads, providing architectural direction, ensuring engineering excellence, and enabling the successful delivery of features across the entire Runna platform We have a jam...

Overview At Pairwise, we are a team of engineers, operators, and builders focused on enabling the next generation of technical talent to do their best work. We partner with leading technology companies to deliver high-performance engineering solutions across embedded systems, networking, semiconductors, and software. Our teams have contributed to some of the...

ABOUT LENDABLELendable is on a mission to build the world's best technology to help people get credit and save money. We're building one of the world’s leading fintech companies and are off to a strong start:One of the UK’s newest unicorns with a team of just over 700 peopleAmong the fastest-growing tech companies in the UKProfitable since 2017Backed by...

About Signal Ocean:Signal Ocean is the technology arm of the Signal Group, providing market-leading advanced machine learning and AI-driven intelligence to shipping and commodities professionals worldwide. Our platform delivers tailored, exclusive insights through web, mobile, and API interfaces, enabling clients to make faster, better-informed commercial...

Senior Software EngineerAbout TripadvisorThe 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, technology, and capabilities to connect our global audience with partners through rich content, travel guidance, and two-sided marketplaces for...

DescriptionA Software Engineer (TypeScript) in UNiDAYS is a hands-on software development role focused on building innovative solutions to delight our members and drive product success in a fast-paced company.It’s more than just lines of code; we are looking for a commercially-minded TypeScript Engineer who can bridge the gap between user needs and...

Project description As a Senior-Level UI Engineer, you'll work with senior engineers to build and maintain modern frontend applications in a fast-paced Agile team. This is a hands-on role focused on developing responsive UI solutions, integrating with backend services (including Loan IQ), and leveraging AI-assisted development tools to accelerate learning,...

Senior Full Stack Software Engineer £100,000–£110,000 + benefits UK-based | Hybrid – London 2 days per week Certus Recruitment is working with an ambitious UK fintech building a regulated stablecoin and digital payments platform. We are looking for a Senior Software Engineer to join at an early stage and help build the application, financial...

JPMorgan Chase & Co. in the United Kingdom is seeking a Full Stack Engineer to design, build, and support scalable web applications and integrations using Java, Python, and React.You will collaborate with product, marketing, and partners to translate requirements into robust technical solutions, and contribute to AI-enabled initiatives for content...

Senior Full Stack Engineer TryHackMe is a fast‑growing online cybersecurity training platform that makes learning and teaching cybersecurity easier through gamified exercises and challenges. With over 5 million community members, we’re expanding as an AI‑first company. Your role will involve everything from maintaining the current code base to...

Role: Senior Full Stack Product Engineer Reporting to the Director of Engineering | London (Shoreditch) | Full-time A BIT ABOUT THISTHAT ThisThat is an influence intelligence company helping brands grow and govern influence. The $4T marketing industry is shifting from the personalisation era, obsessed with advertising effectiveness, to the community era,...

About UsTicket 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...

Full-Stack Developer (Founding Engineer) Location: London, United Kingdom (Hybrid) Employment Type: Full-Time Department: Engineering Compensation: £50,000 + Equity About Zenrox Zenrox Healthcare UK is building an AI-powered marketplace that connects healthcare providers with MHRA-compliant medical equipment suppliers. Our flagship platform, ZenroxIQ,...

Salary: £100,000 - 100,000 per year Requirements Hands-on AI development using modern tools and IDEs (e.g., Windsurf). Solid understanding of programming concepts and microservices. Proficiency in Java with Spring. Experience with CI/CD, automated testing (JUnit/Spock), and containers (Docker). Familiarity with microservices, observability/telemetry (e.g.,...

Experienced Product Engineer - Full Stack Department: Engineering Employment Type: Permanent - Full Time Location: London Reporting To: Engineering Lead Description Oritain is a global leader in the forensic origin verification of products and raw materials. With offices in London, Paris, Auckland, Dunedin, Singapore and Washington D.C, our vision is to be...

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...

Emma is the app to manage all things money. Our mission is to empower millions of people to live a better and more fulfilling financial life. Emma was founded by engineers, who are extremely focused on coding, product and data. These are the three pillars on which we want to build a strong tech culture and fix personal finance once for all. We have raised...

What we do. Electric Car Leasing Why we do it. Greener. Fairer. Future. We’re looking for a Senior Fullstack Software Engineer (Python and React) to join our product and engineering team building the systems that power our ability to revolutionize the electric car leasing industry. Our tech stack is Python with GraphQL, React with Next.js, PostgreSQL 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...

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....