frontend best practices in areas such as performance optimization, code quality, testing (React Testing Library, Jest, etc.), accessibility, and maintainability. Drive improvements and innovation in ourfrontend architecture, tooling (NPM, Webpack, Vite), and development processes. Technologies We Use Languages & Frameworks: JavaScript (ES6+), TypeScript, React, Next.js, Redux, HTML5, CSS3/SCSS Testing: React Testing Library, Jest, Cypress (or similar) Build & Tooling: NPM … Webpack, Vite (or similar modernbundlers), Babel DevOps & Tools: AWS (S3, CloudFront, etc.), GitlabCI/CD, Git Backend Interaction: RESTful APIs (from Grails/Java services) Qualifications Must haves: 5-7+ years of proven track record in frontend development, with a strongportfolio of building complex, scalable web applications using JavaScript, CSS, and HTML. Expert-level experience with React, Next.js, and … technical design discussions, collaborate effectively with UI/UX, andtranslate complex requirements into technically feasible and elegant designs. Deep experience setting up, configuring, and optimizing modern JavaScript applicationtooling (NPM, Webpack, Babel, linters, etc.). Strong experience and passion for working with ourevolving stack and tools, including modern JavaScript/TypeScript and frontend frameworks. Proven ability to quickly learn and masternew More ❯
first development. Experience with state management libraries (Redux, Vuex, Zustand, or similar). Familiarity with RESTful and GraphQL API integration. Experience with front-end build tools and module bundlers (Webpack, Vite, Parcel, etc.). Knowledge of performance optimization techniques for web applications. Understanding of SEO best practices for modern front-end development. Experience with testing frameworks (Jest, Mocha, Cypress, Playwright More ❯
Hampshire, England, United Kingdom Hybrid / WFH Options
Shaw Daniels Solutions
first development. Experience with state management libraries (Redux, Vuex, Zustand, or similar). Familiarity with RESTful and GraphQL API integration. Experience with front-end build tools and module bundlers (Webpack, Vite, Parcel, etc.). Knowledge of performance optimization techniques for web applications. Understanding of SEO best practices for modern front-end development. Experience with testing frameworks (Jest, Mocha, Cypress, Playwright More ❯
adopting new technologies to improve UX/UI Desirable: Familiarity with Tailwind CSS or Material-UI Version control expertise with Git and collaborative workflows Knowledge of build tools (e.g., Webpack, Vite) Understanding of UI/UX principles to enhance usability and aesthetics Experience with Node.js and cloud-based infrastructure Ability to build dynamic dashboards and complex interactive UIs Familiarity with … preprocessors (Sass, LESS) and build tools (Webpack, Gulp) Experience with testing frameworks like Jest or Mocha Strong skills in optimizing front-end performance Success Metrics Deliver high-quality, responsive UI components that elevate the overall user experience Maintain a clean, efficient, and high-performing front-end codebase with minimal bugs Collaborate effectively across design, front-end, and back-end teams More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Futuria
adopting new technologies to improve UX/UI Desirable: Familiarity with Tailwind CSS or Material-UI Version control expertise with Git and collaborative workflows Knowledge of build tools (e.g., Webpack, Vite) Understanding of UI/UX principles to enhance usability and aesthetics Experience with Node.js and cloud-based infrastructure Ability to build dynamic dashboards and complex interactive UIs Familiarity with … preprocessors (Sass, LESS) and build tools (Webpack, Gulp) Experience with testing frameworks like Jest or Mocha Strong skills in optimizing front-end performance Success Metrics Deliver high-quality, responsive UI components that elevate the overall user experience Maintain a clean, efficient, and high-performing front-end codebase with minimal bugs Collaborate effectively across design, front-end, and back-end teams More ❯
Kubernetes Front-end skills Experience of using at least one of these JavaScript frameworks to create modern front-ends - React.js, Angular or Vue HTML, CSS, JavaScript (ES6) or TypeScript Webpack or Gulp A client-side Unit Testing framework e.g., Mocha or Jest Other technical skills API Management and Documentation (Swagger.io, I/O Docs) Experience with high scale, highly transactional More ❯
Working knowledge of any major UI framework (React, Angular, Vue, etc.) • Strong proficiency in using HTML5 • Strong proficiency in using CSS/Sass/Less • Use of web bundlers (Webpack, Parcel etc.) • Experience using Git • Experience using Unix based environments • Has an eye for what looks good • Self-starter with the desire to learn and improve. • Fluent in English (both More ❯
trading platform meets all the security and audit requirements Your skills and experience Typescript, JavaScript, React, HTML/CSS, NodeJS, Java 8, Vert.x, Linux Jira, Confluence, Git, NPM, Yarn, Webpack, Teamcity/Jenkins, Artifactory Understanding of working in an Agile/DevOps environment Experience working in a development team Strong UI/UX, analytical and design skills Existing financial knowledge More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Radley James
trading platform meets all the security and audit requirements Your skills and experience Typescript, JavaScript, React, HTML/CSS, NodeJS, Java 8, Vert.x, Linux Jira, Confluence, Git, NPM, Yarn, Webpack, Teamcity/Jenkins, Artifactory Understanding of working in an Agile/DevOps environment Experience working in a development team Strong UI/UX, analytical and design skills Existing financial knowledge More ❯
Northampton, Northamptonshire, United Kingdom Hybrid / WFH Options
Adecco
or Context API). Solid understanding of RESTful APIs and backend integration. Expertise in HTML5, CSS3, and modern JavaScript (ES6+). Familiarity with front-end build tools such as Webpack and Babel. More ❯
Knutsford, Cheshire, United Kingdom Hybrid / WFH Options
Adecco
or Context API). Solid understanding of RESTful APIs and backend integration. Expertise in HTML5, CSS3, and modern JavaScript (ES6+). Familiarity with front-end build tools such as Webpack and Babel. More ❯
CSS (Responsive Design, Specificity) JavaScript ES6 General Networking (HTTP, IP & DNS, Caching) Experience with testing frameworks such as Jest, RTL, Cypress or Playwright Understanding of build tools such as Webpack, Vite, Parcel. Understanding of Pre-processors such as SASS, CSS Modules, JS Compilation. Understanding of CI/CD platforms such as Jenkins and Github Actions. Experience with monitoring and alerting More ❯
Northern Lincolnshire and Goole NHS Foundation Trust
experience in a relevant role Desirable Experience working in an Agile team Experience developing unit tests using JavaScript Experience working with relational databases Experience using development tools such as Webpack, Sass, Postman and others. 3 or more years of experience in a relevant role Disclosure and Barring Service Check This post is subject to the Rehabilitation of Offenders Act (Exceptions More ❯
mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools (Github actions a bonus) Experience with common front-end development tools such as Babel, Webpack, NPM, etc. Ability to understand business requirements and translate them into technical requirements A knack for benchmarking and optimization Familiarity with git Experience with React Native is a bonus ****THIS More ❯
Manchester, England, United Kingdom Hybrid / WFH Options
Impellam Group
proven experience in a similar role on a similar scale system • Expert knowledge of ES2015 • Proven experience with ReactJS • Experience writing middlewares in Node.js • Use of build tools, particularly Webpack • Unit and functional testing is a big bonus • Source Control using Git • CSS pre-processing with Sass • Significant plus if you’ve got any .NET experience • Experience working in an More ❯
Manchester, England, United Kingdom Hybrid / WFH Options
MRJ Recruitment
Operate in a fast-paced, Agile environment (SCRUM/Kanban) where iterative delivery is key. Tech Stack Snapshot: HTML5, CSS/SCSS, Tailwind JavaScript (ES6+), React, Next.js Frontend tooling – Webpack, Gulp, linters Headless CMS experience (ContentStack or similar) UI Testing – Jest or related frameworks Version control, CI/CD exposure Strong appreciation for accessibility and cross-browser compatibility You’ll More ❯
Billericay, Essex, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
have experience of mentoring with strong technical project and people leadership skills You're also experienced with other web technologies such as HTML5, CSS, SASS; build technologies such as Webpack, Gulp and CLIs; REST APIs, GraphQL (you don't need them all as you'll be picking new things up on the job) You have a good understanding of browser More ❯
Capable of developing and implementing unit tests for code components and complete applications. · Proficient in English, both spoken and written. Must Have Skills · Javascript · Angular · Node.js · HTML & CSS · Git · WebpackMore ❯
Capable of developing and implementing unit tests for code components and complete applications. · Proficient in English, both spoken and written. Must Have Skills · Javascript · Angular · Node.js · HTML & CSS · Git · WebpackMore ❯
Staines-upon-Thames, Middlesex, England, United Kingdom Hybrid / WFH Options
Bupa UK
and Android platforms. Experience of Microsoft App Centre and of deployment processes to mobile app stores. Strong understanding of mobile performance optimization techniques. Strong DevOps experience using Azure DevOps, Webpack, Babel and npm Agile methods Knowledge of coding standards and source control techniques Strong communication skills Flexible attitude, ability to perform under pressure Ability to work well within a team More ❯
performant backend services, with a thorough understanding of asynchronous programming patterns, event-loop mechanics, and Node.js internals. Demonstrable hands-on experience using modern front-end build tools and bundlers (Webpack, Rollup, Vite). Comprehensive experience with modern testing tools and frameworks, such as Jest, Vitest, React Testing Library, Playwright, or Cypress, including writing robust unit, integration, and end-to-end More ❯
performant backend services, with a thorough understanding of asynchronous programming patterns, event-loop mechanics, and Node.js internals. Demonstrable hands-on experience using modern front-end build tools and bundlers (Webpack, Rollup, Vite). Comprehensive experience with modern testing tools and frameworks, such as Jest, Vitest, React Testing Library, Playwright, or Cypress, including writing robust unit, integration, and end-to-end More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Radley James
front-end systems What You Bring Bachelor's degree in Computer Science or closely related field Strong experience with React, TypeScript, JavaScript, HTML/CSS, NodeJS Knowledge of Git, Webpack, Jenkins, and Agile workflows Experience in financial services or trading systems (preferred) Strong problem-solving and UI/UX skills This opportunity offers a competitive compensation package and hybrid working More ❯
front-end systems What You Bring Bachelor's degree in Computer Science or closely related field Strong experience with React, TypeScript, JavaScript, HTML/CSS, NodeJS Knowledge of Git, Webpack, Jenkins, and Agile workflows Experience in financial services or trading systems (preferred) Strong problem-solving and UI/UX skills This opportunity offers a competitive compensation package and hybrid working More ❯
developing game or web UIs Proven experience with HTML-based UI in a game engine environment Proficiency with tools/libraries such as Coherent Gameface, React/Redux, jQuery, WebPack, or Anime.js Background in UI performance optimization and automated testing Strong leadership skills and experience managing development teams A portfolio that showcases relevant work on shipped games Experience with custom More ❯