> Markdown version of [/jobs/ext/348695-senior-technical-specialist-react-js-html-css](https://www.wearedevelopers.com/jobs/ext/348695-senior-technical-specialist-react-js-html-css). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Technical Specialist - React.js, HTML, CSS - **Company:** HCLTech - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), Adobe InDesign, Cascading Style Sheets (CSS), Code Review, Communication Softwares, Web Development, Microsoft UI Automation, Web Applications, WebSocket, ReactJS, Cypress (Programming Language), Software Troubleshooting, Backend, Playwright, Reactive Programming, Front End Software Development, React Redux, React Testing Library - **Published:** June 19, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=61a33cb7c77e6981 ## About the Role Do you have experience in UI?, 1UI Developer with experience in design, development, testing & deployment of time-critical, high-available & performant applications. Expert level proficiency in HTML, CSS, Javascript, React & TypeScript. Thorough understanding of real time communication between UI & backend using Websockets, SSE & Rest. Solid understanding of state management libraries & reactive programming paradigms. Solid understanding of architectural practices with focus on micro-frontends & SPA. Hands-on experience in TDD using React Testing Library / Jest. Exposure to UI Automation frameworks (Playwright / Cypress) is beneficial. ## Description The Senior Technical Specialist in React, HTML, and CSS will be responsible for developing and implementing web applications using these technologies. The role involves collaborating with cross functional teams to deliver high-quality, user-friendly solutions., 1. Designing, developing, and testing user interfaces for web applications using react, html, and css. 2. Collaborating with backend developers to integrate frontend logic with backend services. 3. Implementing responsive design principles to ensure compatibility across various devices. 4. Troubleshooting and debugging applications to optimize performance. 5. Staying updated on emerging technologies and best practices in web development. 6. Participating in code reviews and providing constructive feedback to team members. ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [Accessibility in React Application](https://www.wearedevelopers.com/videos/1239-accessibility-in-react-application) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) ## Related Articles - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [Top 7 CSS Frameworks in 2025](https://www.wearedevelopers.com/magazine/362-top-7-css-frameworks-in-2025) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)