7 of 7 JavaScript Engineer Jobs in London

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 ...

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 ...

London based client are looking for an experienced Full Stack Engineer for an initial 6 month contract to start ASAP. The position can also be fully remote. The ideal candidate will have the following experience: Google Cloud: Experience deploying and managing applications within the Google Cloud Platform (GCP) ecosystem. … JavaScript/TypeScript Expert: Expert-level knowledge of modern language features, asynchronous patterns, and static typing. ● React: Expert knowledge of building interfaces, managing state, and optimizing performance within React. ● NodeJS/Express: Strong experience building and scaling server-side applications using Express. ● Python Expert: Strong experience building backend services ...

researchers. This includes curating code examples, providing precise solutions, and making corrections across the full stack — in Python for backend and ML workflows, and JavaScript (React, Node.js) for frontend and API layers, alongside C/C++, Java, Rust, and Go. You will evaluate and refine AI-generated code … Typical Day Look Like? Work on AI model training initiatives by curating code examples, building solutions, and correcting code across both Python and JavaScript (React, Node.js), with additional work in C/C++, Java, Rust, and Go. Evaluate and refine AI-generated code across backend and frontend contexts ...

researchers. This includes curating code examples, providing precise solutions, and making corrections across the full stack — in Python for backend and ML workflows, and JavaScript (React, Node.js) for frontend and API layers, alongside C/C++, Java, Rust, and Go. You will evaluate and refine AI-generated code … Typical Day Look Like? Work on AI model training initiatives by curating code examples, building solutions, and correcting code across both Python and JavaScript (React, Node.js), with additional work in C/C++, Java, Rust, and Go. Evaluate and refine AI-generated code across backend and frontend contexts ...

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 ...