19 of 19 JavaScript Engineer Jobs in England

Lead JavaScript/TypeScript Software Engineer A fantastic opportunity for a Lead JavaScript/TypeScript Software Engineer to join an innovative technology company developing advanced software solutions within a highly technical engineering environment. This is a hands-on software engineering role focused on building scalable, production … days a week) Salary: £60,000 to £80,000 per annum + brilliant benefits - free gym, healthcare, enhanced pension, etc. Requirements for Lead JavaScript/TypeScript Software Engineer: Strong commercial experience in full-stack software engineering Strong JavaScript and TypeScript experience Experience building scalable backend systems using ...

JavaScript Engineer - Capacitor experience a must Experienced JavaScript Front end engineer with recent Capacitor experience a must! Working remotely (UK) and outside IR35, my Health Tech client is wanting to support Apple and Play store submissions of one, possibly two of their key corporate apps. Initial … month contract with extension beyond. JavaScript, React and Capacitor experience a must! JBG81_UKTJ ...

JavaScript Engineer Cheltenham, full time onsite Ncounter is supporting a highly specialised software consultancy delivering secure, high assurance engineering into some of the UK’s most sensitive environments. This is a genuinely mission focused role, working on complex systems where the work carries real impact and technical depth. … looking for a JavaScript Developer to join a close-knit engineering team operating at the forefront of secure software delivery. You will be building robust, scalable applications within a highly controlled environment, collaborating with experienced engineers who value clean design, strong fundamentals and continuous improvement. This role offers ...

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 ...

Experienced JavaScript Front end engineer with recent Capacitor experience a must! Working remotely (UK) and outside IR35, my Health Tech client is wanting to support Apple and Play store submissions of one, possibly two of their key corporate apps. Initial 4-month contract with extension beyond. JavaScript ...

Experienced JavaScript Front end engineer with recent Capacitor experience a must! Working remotely (UK) and outside IR35, my Health Tech client is wanting to support Apple and Play store submissions of one, possibly two of their key corporate apps. Initial 4-month contract with extension beyond. JavaScript ...

Full Stack Engineer (TDD/C#/JavaScript) We are hiring a Full Stack Software Engineer with a strong test-driven development (TDD) background to help build the next generation of a mission-critical cybersecurity and communications platform used globally. This is a hands-on role focused … Design and build API integrations across a cybersecurity-focused product stack Deliver clean, maintainable full stack solutions using .NET and modern JavaScript frameworks Lead by example in test-driven development practices Integrate third-party systems using REST APIs, OAuth2, webhooks, and resilient patterns Contribute to a scalable, observable integration ...

Lead JavaScript/TypeScript Software Engineer A fantastic opportunity for a Lead JavaScript/TypeScript Software Engineer to join an innovative technology company developing advanced software solutions within a highly technical engineering environment. This is a hands-on software engineering role focused on building scalable, production ...

Lead JavaScript/TypeScript Software Engineer A fantastic opportunity for a Lead JavaScript/TypeScript Software Engineer to join an innovative technology company developing advanced software solutions within a highly technical engineering environment. This is a hands-on software engineering role focused on building scalable, production ...

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 ...

Lead Software Engineer - MongoDB/Node.js/JavaScript As a Lead Engineer, you’ll play a pivotal role in shaping the technical direction of the product. You’ll guide a talented squad of engineers, drive architectural decisions, and deliver scalable backend systems that directly impact thousands … development practices Core Technical Skills You’ll thrive if you have experience with: MongoDB (data modelling, indexing, aggregation, performance tuning) Node.js and the wider JavaScript/TypeScript ecosystem Express.js and/or Fastify RESTful API design AWS or similar cloud platforms Microservices architecture Testing frameworks (Vitest, Jest, Mocha, etc. ...

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 ...

place you'll thrive Regular Mario Kart action! To be successful, you will... Have experience with React/NodeJS Have expertise in Typescript/JavaScript, with proven experience in development role(s) Have exceptional problem-solving abilities, proven in diagnosing and fixing complex technical issues Have excellent communication skills ...

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 ...

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 ...

Lead & Staff JavaScript Engineers | Full Stack | Hyper-Growth Fintech & Tech-for-Good | Typescript, React.js, Node.js, Next.js | £110k-150k + Equity | 3 days hybrid in London Opportunity: We're supporting a hyper-growth fintech client that is also tech-for-good. They’ve got big hiring plans for the year … technical architecture as they continue to scale their business and expand into new markets. What You'll Be Doing as a Lead & Staff JavaScript Engineers | Full Stack | Hyper-Growth Fintech & Tech-for-Good | Typescript, React.js, Node.js, Next.js | £110k-150k + Equity | 3 days hybrid in London ...

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 ...