10 of 10 JavaScript Engineer Jobs in London

Full Stack Engineer/Developer (JavaScript TypeScript) WFH/London to £75k Opportunity to progress your career as a Full Stack Developer working on Tech for Good application for the healthcare sector that utilises AI and Machine Learning techniques to help prevent patients from experiencing health crisis. As a Full Stack Engineer you'll collaborate with a … small team working on internal tools and data platforms, with a focus on implementing robust security practices and scalable architectures. You'll use a range of technology, primarily JavaScript on the backend and TypeScript on the frontend, you'll build secure, responsive user interfaces, implement RESTful APIs, optimise database queries for performance and ensure solutions are highly scalable and … from home most of the time, meeting up with colleagues in the London office once a month/quarter. About you: You have strong full stack development experience with JavaScript and TypeScript You have a strong appreciation of RDBMS, security data architecture and ISO 27001 You are collaborative, enjoy problem solving and are proactive in getting things done You More ❯

Senior Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has … years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Software Engineer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You … ll work across the full tech stack using JavaScript and Vue.js on the front end, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll be encouraged to explore new technologies and use the best tool for the job as well as own your own More ❯

Senior Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has … years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior Software Engineer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You … ll work across the full tech stack using JavaScript and Vue.js on the front end, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll be encouraged to explore new technologies and use the best tool for the job as well as own your own More ❯

Senior Front End D3 Javascript Software Engineer - Holborn Our Client wants to recruit a Senior Front End Software Developer with at least 7 to 10 years expertise of working with D3 React and Javascript. You will be involved with creating sophisticated, robust and easy to use web apps whilst working in a close-knit team who solve complex … workflows (such as Flux or Redux) Data visualisation experience, including with D3.js Experience with continuous integration, test automation, and monitoring You must have the following skills: Strong proficiency in JavaScript, CSS, HTML including DOM manipulation and the JavaScript object model Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front More ❯

At Atominvest, we build tools and software for the world's best investors. Are you looking for an opportunity to be part of a high growth software business within the private equity & venture capital industry? Do you love to build More ❯

Full Stack Engineer (.NET/JavaScript) (x2 vacancies) Start: ASAP Duration: 6-12 months Location: hybrid, 3-days per week on site in Sheffield Pay: inside IR35, paying up to £500 p/day We're looking for an experienced .NET developer to support the development of ComPass - a new internal platform centralising people-related information across business …/CD and automated testing practices. Key Skills: - Strong C# and .NET 6+ experience (including MVC and WebAPI) - Proficient in SQL and relational databases - Front-end skills: HTML, CSS, JavaScript, jQuery - Strong grasp of OOP, design patterns, and scalable architecture - Experience with GIT, automated testing, and CI tools - Comfortable working with multiple stakeholders in Agile teams More ❯

Full Stack Engineer (Web Developer or DevOps) - Python & JavaScript Application Deadline: 11 May 2025 Department: Tech Hub Employment Type: Full Time Location: London Description Contract type: Permanent Hours: 37.5 hours Salary: circa £65,000 depending on experience Location: Canary Wharf WFH policy: Employees are required to attend the office 2 days/week Flexible working: Variety of flexible … work patterns subject to line manager discretion e.g. Compressed 9-day fortnight. Reports to: Senior Fullstack Engineer Deadline Note: We reserve the right to close the advert before the advertised deadline if there are a high volume of applications. Role Summary Join our exceptional team as a Full-Stack Engineer and be part of a growing group of … Translate designs and wireframes into high quality code. Develop new user-facing features using frameworks such as React.js (other frameworks will be considered). Write front-end components using JavaScript, CSS and integrate with back-end Python components (possibly other languages). Develop modules that satisfy the functional and non-functional requirements. Prepare, review and build reusable components and More ❯

Permanent employee,Full-time UK We are transforming the flexible workspace industry! Valve was founded to propel forward and democratise access to the fast-growing flexible workspace industry. As work transitions to a more distributed and hybrid normal, flexible workspaces More ❯

storage and rigorous input validation. Your work will help ensure safe integration pathways for all developers working with the Tether ecosystem. +6 years of experience working with Nodejs/JavaScript in production environments. Proven track record in designing and maintaining developer-facing SDKs (npm packages, API clients, or instrumentation libraries) Strong understanding of modular architecture, versioning strategies, and semantic More ❯

Join Tether and Shape the Future of Digital Finance At Tether, we're not just building products, we're pioneering a global financial revolution. Our cutting-edge solutions empower businesses-from exchanges and wallets to payment processors and ATMs-to More ❯