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 ❯
HTML5, CSS and CSS preprocessors (Sass) Automated TDD and BDD approaches using frameworks like Cypress, Jest, Jasmine, Mocha or Chai with Protractor and Karma Package managers (NPM or Yarn) Webpack node.js is a big plus as we tend to build our facades in it Version control using Git with Github or GitLab Web development with API-feed data We are More ❯
HTML5, CSS and CSS preprocessors (Sass) Automated TDD and BDD approaches using frameworks like Cypress, Jest, Jasmine, Mocha or Chai with Protractor and Karma Package managers (NPM or Yarn) Webpack node.js is a big plus as we tend to build our facades in it Version control using Git with Github or GitLab Web development with API-feed data Progressive Web More ❯
such as SASS or LESS Strong HTML5 and CSS3 layout and styling skills Experience with component-based architecture and design systems Strong experience working with NPM/Yarn, bundlers (Webpack/Vite), and build tools Experience writing and maintaining unit tests (Jest, Mocha, Jasmine, etc.) Comfortable working with RESTful APIs Experience integrating with design/UX tools (e.g., Figma, Adobe More ❯
server-side rendering and API creation. Deep knowledge of HTML5, CSS3, and responsive web design principles. Experience with advanced front-end tools and concepts such as CSS-in-JS, Webpack Module Federation, progressive web apps (PWA), and frontend performance optimization. Familiarity with state management libraries (e.g., Redux, MobX) and client-side routing. Understanding of web performance optimization techniques and tools. 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, Greater London, UK 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 ❯
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 ❯
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 ❯
London, England, United Kingdom Hybrid / WFH Options
Naptha AI
with WebSocket, GraphQL, REST APIs or similar technologies for real-time data handling Experience with data visualization libraries (D3.js, Chart.js, Three.js, etc.) Knowledge of frontend build tools and workflows (Webpack, Vite, npm, yarn) Strong problem-solving skills and ability to work in a fast-paced startup environment Excellent communication skills and ability to collaborate with cross-functional teams Passion for More ❯
on experience in React.js and Next.js. • Solid understanding of front-end technologies such as HTML5, CSS3, and responsive design principles. • Experience with modern build tools and package managers like Webpack, npm, or Yarn. • Familiarity with RESTful API design and integration. • Experience with version control systems, particularly Git. • Strong problem-solving skills, attention to detail, and a proactive attitude. • Excellent communication More ❯
London, England, United Kingdom Hybrid / WFH Options
ZILO™
Experience with state management libraries such as Redux or MobX Familiarity with RESTful APIs and asynchronous data fetching Knowledge of modern front-end development tools and frameworks such as webpack, babel, and npm Experience with version control systems such as Git Demonstrated ability to effectively use AI tools (e.g., GitHub Copilot, ChatGPT, AI-powered testing and linting tools) to accelerate More ❯
City of London, Greater London, UK 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 ❯
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 ❯
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 ❯
and experience with Ruby on Rails. Solid understanding of front-end technologies such as HTML5, CSS3, and responsive design principles. Experience with modern build tools and package managers like Webpack, npm, or Yarn. Familiarity with RESTful API design and integration. Experience with version control systems, particularly Git. Strong problem-solving skills, attention to detail, and a proactive attitude. Excellent communication More ❯
standards. Key Skills & Experience: • Strong proficiency in TypeScript, JavaScript, React, HTML/CSS, Node.js. • Familiarity with backend technologies such as Java 8, Vert.x, Linux. • JIRA, Confluence, Git, NPM, Yarn, Webpack, TeamCity/Jenkins, Artifactory. • Demonstrable experience running a development team. • Experience in Agile/DevOps environments. • Excellent communication skills. • Strong UI/UX, analytical and design capabilities with a focus More ❯
London, England, United Kingdom Hybrid / WFH Options
Unbiased
Ability to quickly implement solutions from idea to release Technology Stack These are the key technologies you will use: Languages/frameworks : Vue.js, JavaScript, HTML/CSS/LeSS, Webpack Environment: Google Cloud Platform, Linux, Git, JIRA How we’ll take care of you: Competitive Salary Brilliant Pension Contributions Investment in your Development: Alongside in-house training, you’ll be More ❯
London, England, United Kingdom Hybrid / WFH Options
Reading Room
frameworks (Vue, React, Angular) Ensuring UI components are compliant with accessibility requirements (AA and AAA) Experience setting up and configuring cmd line task runners and package builders such as Webpack or Gulp Working knowledge of Jira, Confluence and BitBucket Experience integrating front ends with CMS driven websites, particularly Umbraco, Kentico or Sitecore Strong understanding of the front end web architecture More ❯
London, England, United Kingdom Hybrid / WFH Options
trilitech
in developing user-facing web applications with React.js, including familiarity with its core principles such as components, reactivity, and the virtual DOM Proven skills with React tools including React.js, Webpack, Enzyme, Redux, and React Router Additional experience with modern frontend technologies (HTML5, CSS3, Node.js) and CSS preprocessors (such as Sass or LESS) is also valuable Evidence of designing and implementing More ❯
London, England, United Kingdom Hybrid / WFH Options
Paloma Health
following clean code principles . Proficiency in React component libraries like MUI, Chakra or Tailwind. Deep understanding of the modern frontend development ecosystem throughout the pipeline, including build tools (Webpack, Vite), package managers (NPM/Yarn), and CI/CD (GitHub Actions). Experience consuming RESTful APIs and a solid understanding of asynchronous request handling. A keen eye for detail More ❯
adaptive design, including CSS frameworks such as Bootstrap or Tailwind Familiarity with RESTful APIs and integration of third-party services and APIs Proficiency with front-end build tools like Webpack, npm, and Yarn Expertise in version control systems, particularly Git, and collaboration platforms such as GitHub or GitLab Experience with TypeScript and familiarity with ES6+ features Strong understanding of accessibility 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 ❯