Error handling Experience in latest Libraries Bootstrap, Material js, Lodash Experience in converting UX wireframes to intuitive and responsive UI Experience with common front-end development tools such as Babel, Webpack, NPM, etc. Knowledge of Accessibility testing and keyboard driven development Experience with browser-based debugging and performance testing software. Understanding of end-to-end connectivity and solutions. Tooling More ❯
Sheffield, South Yorkshire, England, United Kingdom
Lorien
Error handling· Experience in latest Libraries Bootstrap, Material js, Lodash· Experience in converting UX wireframes to intuitive and responsive UI· Experience with common front-end development tools such as Babel, Webpack, NPM, etc.· Knowledge of Accessibility testing and keyboard driven development· Experience with browser-based debugging and performance testing software.· Understanding of end-to-end connectivity and solutions.· Tooling More ❯
authorization 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 More ❯
in their field. Key Skills - Proficiency in React.js, JavaScript (ES6+), and Redux or similar state management libraries - Familiarity with RESTful APIs, GraphQL, and modern front-end build tools (Webpack, Babel, etc.) - Experience with responsive design and cross-browser compatibility - Understanding of version control systems (Git) - Knowledge of testing frameworks (Jest, Enzyme, or similar) is a plus Experience - 2+ years More ❯
and Alerting tools to enable proactive response to incidents. You are part of a team providing technical knowledge and ideas and adopt them- TDD, Software Patterns, Libraries (Webpack/Babel/ESLint/Prettier), etc. Excellent communication and collaboration skills, and past experience with mentoring peers. As well as lots of on-the-job training and endless opportunities, you More ❯
APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools Experience with common front-end development tools such as Babel, Webpack, NPM, etc. Familiarity with code versioning tools The Client is based in Holborn London. The salary for this role is in the range £70K - £90K. Please send your More ❯
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 … 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 ❯
Skills Knowledge or expertise in FX, Fixed Income, Equity, or Equity Derivatives products. Experience with KDB. Understanding of modern JavaScript build tools such as node, npm, rush, yarn, webpack, babel, or Cyprus. Why this role is important to us Our Global Technology Services (GTS) team is vital to State Street, enabling our business to deliver data and insights to More ❯
Leeds, Yorkshire, United Kingdom Hybrid / WFH Options
Radar Healthcare
Your journey so far Extensive experience with React, including deep knowledge of its ecosystem and best practices. Solid understanding of modern JavaScript, TypeScript, and front-end tooling (e.g., Webpack, Babel ). A proven track record of working on and maintaining complex web applications Strong knowledge of best practices for implementing and managing i18n, l10n and a11y in React projects. More ❯
performant user experience Participate in improving our codebase by reviewing pull requests and maintaining high code quality and test coverage Our Stack ECMAScript (latest specification, as needed) Webpack + Babel (ES6 modules) Styled Components Storybook Unit testing with Jest (over 9000 unit tests across our app) CircleCI for continuous integration and deployment Basic Qualifications Commitment to high development standards More ❯
Northampton, Northamptonshire, United Kingdom Hybrid / WFH Options
Adecco
React Java Developer x3 Location: Northampton (Hybrid Working) £55,000 - £60,000 + perm benefits A leading consultancy-based organisation is currently looking to recruit a number of Java React Developers to partner with a financial services-based organisation. The More ❯
Knutsford, Cheshire, United Kingdom Hybrid / WFH Options
Adecco
React Java Developer x3 Location: Knutsford (Hybrid Working) £55,000 - £60,000 + perm benefits A leading consultancy-based organisation is currently looking to recruit a number of Java React Developers to partner with a financial services-based organisation. The More ❯
and collaboration skills, especially in hybrid or distributed environments. Bonus If You: Have led or contributed to open-source tools in the JS/TS ecosystem (e.g., Webpack, esbuild, Babel, SWC). Have worked on large-scale build pipelines, asset compilers, or code transformation systems. Have experience working with Rust or other systems languages. Have experience managing platform-level More ❯
Salary: £45,000 - 70,000 per year Requirements: Strong development experience in Java, particularly using Spring Boot. Proficiency in React.js, including Redux or Context API. Solid understanding of RESTful APIs, backend integration, HTML5, CSS3, and modern JavaScript (ES6+). Familiarity More ❯
