9 of 9 JavaScript Engineer Jobs in the UK

Lead JavaScript/TypeScript Software Engineer Hardware Integrated Software A fantastic opportunity for a Lead JavaScript/TypeScript Software Engineer to join an innovative technology company developing advanced hardware-integrated software systems. This is a highly 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, working on software connected to physical products, devices, machines, hardware or real ...

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 ...

Outside IR35 - 2x Senior Full-Stack JavaScript Engineer Day Rate: £600 - £650 Outside IR35 Duration: 12-24 Month Programme - Intention to extend into 2027 F/Y Location: Bristol/London Working Pattern: Flexible and team-dependent. Guidance is to plan for up to one day per week … month, or once a quarter) Lots of flexibility available A leading UK wealth management and investment platform is hiring a Senior Full Stack Engineer to join a client-facing product team responsible for the web and mobile experience that helps retail investors manage and grow their wealth ahead ...

Outside IR35 - 2x Senior Full-Stack JavaScript Engineer Day Rate: £600 - £650 Outside IR35 Duration: 12-24 Month Programme - Intention to extend into 2027 F/Y Location: Bristol/London Working Pattern: Flexible and team-dependent click apply for full job details ...

Senior Front End Engineer/Developer (JavaScript React) Cirencester to £85k Are you a Senior Front End Engineer looking for an opportunity to take ownership and make an impact? You could be working on complex and interesting systems related to geoscience in a beautiful Cotswolds based office … small team at a tech start-up, where you can make an impact and progress your career. As a Senior Front End Engineer you will design and develop Greenfield, data centric user interfaces that monitor artic ice flows and various other data points for clients within governments, defence, energy ...

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 Front End Engineer/Developer (JavaScript React) Cirencester to £85k Are you a Senior Front End Engineer looking for an opportunity to take ownership and make an impact? You could be working on complex and interesting systems related to geoscience in a beautiful Cotswolds based office ...

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 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. ...