Next.js, Redux, React Context API, and State management. Good understanding of the Testing frameworks e.g., Jest, React testing library, and Enzyme. Strong working experience in package Build tools e.g., Webpack and Rollup. Experienced in building and deploying micro-frontend applications. Has the flexibility and understanding to work with UX tools e.g., Figma and Adobe suite. Good work experience on Azure More ❯
Next.js, Redux, React Context API, and State management. Good understanding of the Testing frameworks e.g., Jest, React testing library, and Enzyme. Strong working experience in package Build tools e.g., Webpack and Rollup. Experienced in building and deploying micro-frontend applications. Has the flexibility and understanding to work with UX tools e.g., Figma and Adobe suite. Good work experience on Azure More ❯
Next.js, Redux, React Context API, and State management. Good understanding of the Testing frameworks e.g., Jest, React testing library, and Enzyme. Strong working experience in package Build tools e.g., Webpack and Rollup. Experienced in building and deploying micro-frontend applications. Has the flexibility and understanding to work with UX tools e.g., Figma and Adobe suite. Good work experience on Azure More ❯
london (city of london), south east england, united kingdom
Tata Consultancy Services
Next.js, Redux, React Context API, and State management. Good understanding of the Testing frameworks e.g., Jest, React testing library, and Enzyme. Strong working experience in package Build tools e.g., Webpack and Rollup. Experienced in building and deploying micro-frontend applications. Has the flexibility and understanding to work with UX tools e.g., Figma and Adobe suite. Good work experience on Azure More ❯
lead position. Deep understanding of Shopify’s Liquid templating language and theme architecture. Strong proficiency in HTML5, CSS3, JavaScript (ES6+), React/Vue , and modern front-end build tools (Webpack, Vite, etc.). Experience building custom Shopify apps using Node.js or Ruby on Rails . Familiarity with Headless/Hydrogen/Storefront API approaches. Proven experience with Shopify APIs, GraphQL More ❯
lead position. Deep understanding of Shopify’s Liquid templating language and theme architecture. Strong proficiency in HTML5, CSS3, JavaScript (ES6+), React/Vue , and modern front-end build tools (Webpack, Vite, etc.). Experience building custom Shopify apps using Node.js or Ruby on Rails . Familiarity with Headless/Hydrogen/Storefront API approaches. Proven experience with Shopify APIs, GraphQL 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 ❯
Trading UI Engineer – Front Office JavaScript, React, typescript, NodeJS, Tailwind, GraphQL, ApolloQL, Webpack, Cypress, HTML, CSS, REST, Data Visualisation, API. Real Time Trading Software, UI Development Perm Role – London – Onsite. £80000 - £100000 plus bonus Harrington Starr has partnered up with a Global Investment Bank in the City of London who are looking to hire a Senior UI Trading Software Developer More ❯
Trading UI Engineer – Front Office JavaScript, React, typescript, NodeJS, Tailwind, GraphQL, ApolloQL, Webpack, Cypress, HTML, CSS, REST, Data Visualisation, API. Real Time Trading Software, UI Development Perm Role – London – Onsite. £80000 - £100000 plus bonus Harrington Starr has partnered up with a Global Investment Bank in the City of London who are looking to hire a Senior UI Trading Software Developer More ❯
london (city of london), south east england, united kingdom
Harrington Starr
Trading UI Engineer – Front Office JavaScript, React, typescript, NodeJS, Tailwind, GraphQL, ApolloQL, Webpack, Cypress, HTML, CSS, REST, Data Visualisation, API. Real Time Trading Software, UI Development Perm Role – London – Onsite. £80000 - £100000 plus bonus Harrington Starr has partnered up with a Global Investment Bank in the City of London who are looking to hire a Senior UI Trading Software Developer More ❯
Trading UI Engineer – Front Office JavaScript, React, typescript, NodeJS, Tailwind, GraphQL, ApolloQL, Webpack, Cypress, HTML, CSS, REST, Data Visualisation, API. Real Time Trading Software, UI Development Perm Role – London – Onsite. £80000 - £100000 plus bonus Harrington Starr has partnered up with a Global Investment Bank in the City of London who are looking to hire a Senior UI Trading Software Developer More ❯
real-time data visualization Working in a culture where engineering excellence and code quality are non-negotiable Tech Stack: Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: Experience with WebSockets, performance profiling, or custom charting libraries (e.g., D3.js, Highcharts) What They’re Looking For: Strong experience with React and modern JavaScript/ More ❯
real-time data visualization Working in a culture where engineering excellence and code quality are non-negotiable Tech Stack: Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: Experience with WebSockets, performance profiling, or custom charting libraries (e.g., D3.js, Highcharts) What They’re Looking For: Strong experience with React and modern JavaScript/ More ❯
real-time data visualization Working in a culture where engineering excellence and code quality are non-negotiable Tech Stack: Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: Experience with WebSockets, performance profiling, or custom charting libraries (e.g., D3.js, Highcharts) What They’re Looking For: Strong experience with React and modern JavaScript/ More ❯
london (city of london), south east england, united kingdom
Hunter Bond
real-time data visualization Working in a culture where engineering excellence and code quality are non-negotiable Tech Stack: Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: Experience with WebSockets, performance profiling, or custom charting libraries (e.g., D3.js, Highcharts) What They’re Looking For: Strong experience with React and modern JavaScript/ More ❯
local development workflows Strong eye for detail and commitment to code quality and maintainability. Good communication skills and a collaborative approach. Nice to Have Experience with modern build tools (Webpack, Gulp). Understanding of SEO fundamentals and performance best practices. Interest in UI quality and front-end polish. Why Join Us Work-life balance matters to us. We follow a More ❯
including areas of functional and asynchronous programming. Expert CSS development knowledge and experience with both native and using frameworks e.g. bootstrap, tailwind, mui, etc. Strong working knowledge of , NPM, Webpack and Jest. Knowledge of NextJS, Jamstack (Hugo) is preferred. Demonstrable experience in building interactive web applications with polished, good looking, consistent, responsive and accessible UI/UX. Proven track record More ❯
React Profiler and browser devtools Secure frontend practices (XSS/CSRF mitigation, CSP, input sanitization) Testing with Jest and React Testing Library Understanding of modern build tooling (Vite/Webpack), bundling, and asset delivery Here's what we're looking for: Technical Skills Solid engineering experience across frontend and backend, with: + Experience building production React applications + Experience building More ❯
with strongly-typed languages (Go, Java, C, Scala etc.). you have developed modern component-oriented JavaScript applications using frameworks and libraries (e.g React, Vue, Angular, Flow/Typescript, Webpack etc). you have an interest in building performant web experiences and designing/building UI that makes it easy for users to accomplish what they need. You think you More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Salt Search
pipelines, Git workflows Ability to provide hands-on technical leadership and mentor development teams Familiar with Shopify Plus , multi-store setups, and internationalisation Experience with build tools like Vite.js , Webpack, or similar Understanding of performance optimisation (Core Web Vitals, asset loading) Bonus: Familiarity with Fiori , Polaris, Storefront/Dev MCP, and accessibility standards (WCAG) What's in it for you More ❯
years of experience with React or Vue, including advanced state management (Zustand, Redux, Pinia). TypeScript and tooling: Strong command of type-safe programming and modern build systems (Vite, Webpack). What Sets You Apart: A product orientation — you design systems around user needs and measure success by impact. A record of technical ownership — you have led core systems or More ❯
years of experience with React or Vue, including advanced state management (Zustand, Redux, Pinia). TypeScript and tooling: Strong command of type-safe programming and modern build systems (Vite, Webpack). What Sets You Apart: A product orientation — you design systems around user needs and measure success by impact. A record of technical ownership — you have led core systems or More ❯
years of experience with React or Vue, including advanced state management (Zustand, Redux, Pinia). TypeScript and tooling: Strong command of type-safe programming and modern build systems (Vite, Webpack). What Sets You Apart: A product orientation — you design systems around user needs and measure success by impact. A record of technical ownership — you have led core systems or More ❯
london (city of london), south east england, united kingdom
Aegistech
years of experience with React or Vue, including advanced state management (Zustand, Redux, Pinia). TypeScript and tooling: Strong command of type-safe programming and modern build systems (Vite, Webpack). What Sets You Apart: A product orientation — you design systems around user needs and measure success by impact. A record of technical ownership — you have led core systems or More ❯