7 of 7 Permanent JavaScript Engineer Jobs in London

Leading eCommerce client now requires a Full Stack JavaScript Engineer to contribute towards the design and development of their evolving digital ecosystem. You will work across their front and back-end applications delivering features and improvements to support their digital roadmap. Key Requirements: Strong hands-on Full Stack ...

Senior Full Stack Software Engineer (TypeScript/JavaScript, Node.js, React, and Next.js) London £90,000 - £100,000 + benefits We're looking for a product led, Senior Software Engineer who can be the generalist in the team, bridge front and back, solve complex issues, make technical decisions … team, contributing to decisions around tooling, infrastructure and emerging technologies (including AI-assisted workflows). What you’ll need Strong experience with TypeScript/JavaScript, Node.js, React, and Next.js Familiarity with AWS Serverless (Lambda, API Gateway), Vercel, SQL Server, Algolia, and CI/CD (TeamCity) Ability to own problems ...

Senior Product Engineer (Python) | Django, FastAPI, TDD, AWS, JavaScript | Building Human Intelligence > AI Infra | Research + Healthcare | Remote (UK) | £80-100k+ Bonus + Equity The Company - AI systems are only as reliable as the data and feedback loops behind them. We’re partnering with a profitable, globally … significant growth ahead, they’re investing heavily in senior engineering talent to shape the next phase of the platform. The Role - Senior Product Engineer (Python) | Django, FastAPI, TDD, AWS, JavaScript | Building Human Intelligence > AI Infra | Research + Healthcare | Remote (UK) | £80-100k+ Bonus + Equity ...

Senior Product Engineer (Python) | Django, FastAPI, TDD, AWS, JavaScript | Building Human Intelligence > AI Infra | Research + Healthcare | Remote (UK) | £80-100k+ Bonus + Equity The Company - AI systems are only as reliable as the data and feedback loops behind them. We’re partnering with a profitable, globally … significant growth ahead, they’re investing heavily in senior engineering talent to shape the next phase of the platform. The Role - Senior Product Engineer (Python) | Django, FastAPI, TDD, AWS, JavaScript | Building Human Intelligence > AI Infra | Research + Healthcare | Remote (UK) | £80-100k+ Bonus + Equity ...

Fullstack Engineer - Up to £75k - 2 Days onsite - Fulham I am currently working with an excting SaaS client who has built out a Risk management solutions platform. Their primary focus is to provide businesses with advanced tools and platforms that help them identify, assess, manage, and mitigate risks effectively. ...

Frontend Systems Engineer – DataGrid & Visualisation Libraries | London (Hybrid) £150,000 – £200,000 + package Most engineers build applications. This team builds the components those applications rely on. I’m hiring for a developer tools company building widely adopted JavaScript components used in data-intensive applications across global enterprises … Building features end-to-end — from design through to release Shaping the direction of widely adopted developer tooling What they’re looking for Strong JavaScript and TypeScript fundamentals (framework-agnostic mindset) Experience with a statically typed language (C++, C#, Java, Python, etc.) Deep understanding of algorithms, data structures ...

want to join a global high frequency trading firm and have real ownership? We’re looking for a sharp, product-minded engineer to help scale a fast-growing platform used across the company. You’ll work across frontend and backend systems, solve performance challenges, and play a key role … shaping the architecture of a complex, high-impact product. You’ll thrive here if you enjoy: Building with JavaScript/TypeScript and Node.js Owning meaningful technical problems end-to-end Improving large-scale, data-heavy systems Working closely with users and seeing your impact quickly Refactoring and optimizing systems ...