16 of 16 Permanent JavaScript Engineer Jobs in the UK

About the role We have an exciting opportunity for an Associate JavaScript Engineer to join the elementsuite team-ideal for someone in the early stages of their software development career, with around 1-2 years' experience and a passion for building high-quality web applications. This role offers a great opportunity to grow your skills across the full … stack while working with modern JavaScript technologies. You'll contribute to building intuitive interfaces and backend functionality, supported by experienced developers in a collaborative, agile environment. elementsuite is rewriting the rulebook on how enterprise software is built. Our cloud-native platform powers flexible, scalable, and beautifully simple HR and workforce management solutions. This year, we joined forces with Zellis … of work: intuitive, connected, and AI-enabled. Key responsibilities in the role will include: Supporting the development of new features in line with the elementsuite roadmap. Writing clean, maintainable JavaScript code with guidance from senior developers. Building user interfaces using modern frameworks such as Vue.js (or similar). Assisting with the creation of responsive layouts using HTML5 and CSS3. More ❯

About the role We have an exciting opportunity for a Full-Stack JavaScript Engineer to join the elementsuite team-someone who's passionate about building high-quality products and tools across the stack. This role blends front-end finesse with back-end capability, and we're especially keen to meet developers who can pair modern JavaScript frameworks … world of work: intuitive, connected, and AI-enabled. Key responsibilities in the role will include: Building innovative, high-quality features in line with the elementsuite roadmap. Writing clean, reusable JavaScript code using modern frameworks (Vue.js, Knockout.js). Creating responsive, user-focused UI/UX with HTML5, CSS3, and SASS. Designing and writing performant SQL queries to support data-driven … others. Supporting operational sessions with technical insight and analysis. Staying mindful of performance across both client and server-side code. Skills & experience Proven experience in a full-stack or JavaScript-focused software engineering role. Strong JavaScript skills and experience with modern frameworks (Vue.js, Knockout.js, jQuery). Solid working knowledge of SQL , relational databases, and writing efficient queries. Good More ❯

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 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 ❯

performance into the product, all while keeping an eye on UX, accessibility and aesthetics. What you'll do Develop new features and enhancements Write and upgrade UI components using JavaScript and Vue.js Work with the rest of our engineering team to enhance scalability, performance and maintainability Support our culture of learning, development and teamwork Be involved in the entire … life-cycle of features, including idea creation, deployment, and longer term updates and enhancements About you Demonstrable experience in a similar commercial software engineer role A confident JavaScript developer, happy writing both vanilla JS and modern frameworks (ideally Vue.js) Experience working in a product development environment Comfortable writing unit tests and end-to-end automated tests Passionate about … Experience working in (or with) the Professional Services industry What you'll get Starting salary between £39,898 and £46,500, depending on experience Earning potential in the Software Engineer salary band up to £48,500 At least £1,000 per year to spend on professional and personal development 33 days' holiday per year (including bank holidays), increasing by 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 ❯

Locations: Gloucester, Bristol, Chippenham, Reading, London, Leatherhead, Leicester, Manchester CGI was recognised in the Sunday Times Best Places to Work List 2023 and has been named one of the 'World's Best Employers' by Forbes magazine. We offer a competitive More ❯

actively code, review code, and influence engineering culture. You will work with the product team to develop new features for various stakeholders. About You You are an experienced software engineer (this role is not suitable for entry-level candidates). You have a strong technical and product background. You can communicate complex ideas clearly and effectively. You are comfortable 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 ❯