8 of 8 Permanent JavaScript Engineer Jobs in London

Application Software Engineer - JavaScript

Hiring Organisation
REDTECH RECRUIT
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Cambridge offering the opportunity to work on a wide variety of web application infrastructure projects using a diverse toolset, with an emphasis on JavaScript, Node.js and related frameworks. Location: London or Cambridge (3 days on site, 2 days remote) Salary: Negotiable + comprehensive benefits Requirements for Application Software Engineer … class honours degree from a leading university plus AAB at A Level (or equivalent UCAS points) Solid commercial experience using JavaScript and ideally, node.js and related technologies/frameworks - top new graduates considered for the Cambridge office You class yourself as a tech innovator and the idea of shaping ...

Full Stack Engineer (JavaScript) - Early-Stage Tech Start-Up

Hiring Organisation
Urban Digital Recruitment Ltd
Location
London, UK
Employment Type
Full-time
Full Stack Engineer (JavaScript) – Early-Stage Tech Start-Up Remote (UK-based only) | Flexible Hours c£90k + Benefits (Pension, Private Healthcare, Death-in-Service, Equity Potential) Please note: Applicants must be UK-based with full right-to-work. Sponsorship is not available. The Role We're looking … senior, backend-leaning Full Stack Engineer who thrives in the controlled chaos of a true early-stage start-up, the kind where there's no QA team, no DevOps team, no predefined frameworks, no hand-holding, and everything technical ultimately sits with engineering. This is a role for someone ...

Core JavaScript / TypeScript Engineer - London - Hybrid

Hiring Organisation
techstack Recruitment
Location
City of London, London, United Kingdom
Core JavaScript/TypeScript Engineer - London - Hybrid £150,000 – £200,000 + pension, private healthcare, gym membership, hardware budget London (Hybrid – 2 days WFH) A high-growth software company is building the next generation of high-performance UI frameworks and data-intensive visualisation technology. Their products power mission … work on Design and optimise the core runtime of a high-performance UI framework used globally in real-time environments. Push the boundaries of JavaScript, TypeScript , and the browser rendering pipeline to deliver smooth performance on massive datasets . Solve complex engineering challenges around tree structures, recursion, memory allocation ...

Core JavaScript / TypeScript Engineer - London - Hybrid

Hiring Organisation
techstack Recruitment
Location
London Area, United Kingdom
Core JavaScript/TypeScript Engineer - London - Hybrid £150,000 – £200,000 + pension, private healthcare, gym membership, hardware budget London (Hybrid – 2 days WFH) A high-growth software company is building the next generation of high-performance UI frameworks and data-intensive visualisation technology. Their products power mission … work on Design and optimise the core runtime of a high-performance UI framework used globally in real-time environments. Push the boundaries of JavaScript, TypeScript , and the browser rendering pipeline to deliver smooth performance on massive datasets . Solve complex engineering challenges around tree structures, recursion, memory allocation ...

Senior Software Development Engineer (Python/Javascript/React)

Hiring Organisation
Clearwater Analytics (CWAN)
Location
City of London, London, United Kingdom
growth of the platform, exercising an eye for detail across all aspects of the development lifecycle while maintaining organization and good code hygiene. This engineer should be able to effectively communicate both with internal teams and with clients. The successful candidate will help Glint continue to grow, exercising … detail across all aspects of the development lifecycle while maintaining organization and good code hygiene. This Senior Engineer should be able to effectively communicate both with internal teams and with clients. The successful candidate values teamwork and collaboration, as well as continuous learning and application of new technologies ...

Senior Software Development Engineer (Python/Javascript/React)

Hiring Organisation
Clearwater Analytics (CWAN)
Location
London Area, United Kingdom
growth of the platform, exercising an eye for detail across all aspects of the development lifecycle while maintaining organization and good code hygiene. This engineer should be able to effectively communicate both with internal teams and with clients. The successful candidate will help Glint continue to grow, exercising … detail across all aspects of the development lifecycle while maintaining organization and good code hygiene. This Senior Engineer should be able to effectively communicate both with internal teams and with clients. The successful candidate values teamwork and collaboration, as well as continuous learning and application of new technologies ...

Frontend Software Engineer : React/TypeScript/JavaScript : Elite Trading Firm, London

Hiring Organisation
Hunter Bond
Location
London Area, United Kingdom
partnering exclusively with one of London’s most prestigious trading powerhouses to hire a standout Front-End Software Engineer — someone who lives and breathes elegant UI engineering and wants to build products that matter at millisecond scale. This is your chance to work at the core of high-performance … data and complex visualisations Working in an environment where craftsmanship, performance, and code quality are taken seriously — every single day Tech Stack Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar state management) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: WebSockets, performance profiling, custom charting (D3.js, Highcharts) What They ...

Frontend Software Engineer : React/TypeScript/JavaScript : Elite Trading Firm, London

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
partnering exclusively with one of London’s most prestigious trading powerhouses to hire a standout Front-End Software Engineer — someone who lives and breathes elegant UI engineering and wants to build products that matter at millisecond scale. This is your chance to work at the core of high-performance … data and complex visualisations Working in an environment where craftsmanship, performance, and code quality are taken seriously — every single day Tech Stack Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar state management) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: WebSockets, performance profiling, custom charting (D3.js, Highcharts) What They ...