> Markdown version of [/jobs/ext/99187-senior-ui-developer](https://www.wearedevelopers.com/jobs/ext/99187-senior-ui-developer). 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 UI Developer - **Company:** Avnet, Inc. - **Location:** Leeds, UK (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Clean Code Principles, JavaScript (Programming Language), HTML5, Automation of Tests, Cascading Style Sheets (CSS), Code Review, Design of User Interfaces, Integrated Development Environments, Node.Js, Scrum Methodology, Akamai, Responsive Web Design, Software Engineering, TypeScript, Enterprise Software Applications, ReactJS, Adobe Target, Backend, Gitlab, Git Flow, Optimization Algorithms, Figma, Graphql, Front End Software Development, Restful APIs, Es2015, Software Version Control - **Published:** May 21, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=111cb673376acb47 ## About the Role Do you have experience in UX?, * Proven experience as a Senior Front-End or UI Developer, with hands-on React experience. * Competency in all of these technologies and tools - ReactJS, TypeScript, Node.js, Loadable Components, Jest, Styled Components, Storybook, GraphQL and Apollo (client/server) and Akamai caching. * Strong understanding of React and its ecosystem. * Experience with Apollo Client and GraphQL queries, mutation handling, and state management. * Solid knowledge of Node.js and how to integrate the front-end with back-end services. * Expertise in HTML5, CSS3, and JavaScript (ES6+). * Experience with responsive design. * Experience with Gitlab and their GitFlow version control process. * Ability to collaborate with UX/UI designers and translate Figma and Storybook prototypes into functional, high-quality user interfaces. * Strong analytical and problem-solving skills, focusing on user-centric solutions. * Familiarity with front-end testing frameworks (Jest in particular). We also do A/B testing via Adobe Target. * Proficient in optimizing UI performance for large-scale applications, with experience implementing lazy loading, code splitting, and other advanced optimization techniques. * Previous experience in an Agile/Scrum development environment. * Excellent communication skills, both written and verbal, with the ability to work in partnership and across teams. #LI-FARNELL ## Description We have an amazing opportunity for a Senior UI Developer to join our dynamic UI development team responsible for building and maintaining our global large-scale eCommerce platform with a passion for creating beautiful, functional, and user-centric designs. This role requires strong expertise in React, Node.js, and Apollo Client, focusing on delivering responsive, high-performance user interfaces for a seamless customer experience. As a Senior UI Developer, you will work in a cross-functional team led by a full-time Product Owner. You will be supported by UX Designers, back-end developers and the wider UI developer team to build scalable and visually stunning user interfaces that will power our online storefront. Specifically, you will work on personalization, recommendations, merchandising and marketing content delivery to drive increased conversations and higher site revenues, * Lead the development of user interfaces using React and related libraries to create highly interactive, user-friendly, and visually appealing applications. * Work closely with product owners, UX/UI designers, and back-end engineers to transform business requirements into technical solutions, ensuring a seamless e-commerce experience. * Focus on optimizing the performance of the UI to ensure fast load times, smooth navigation, and a reactive experience across devices. * Implement data fetching and state management through Apollo Client and integrate the UI with RESTful and GraphQL APIs built with Node.js and Apollo Server. * Advocate for and follow best practices for software development, including clean, maintainable code, automated testing, and code reviews. * Mentor junior and mid-level developers, offering guidance on React development, front-end architecture, and best practices. * Works with back-end engineers to integrate front-end with back-end services and help shape the architecture and performance of the entire application stack. ## Related Videos - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Boost Productivity with AI: Figma & Playwright MCP Workflows - Aris Markogiannakis](https://www.wearedevelopers.com/videos/1768-boost-productivity-with-ai-figma-playwright-mcp-workflows-aris-markogiannakis) - [Building the Right Product and Building It Right: A Glimpse into Extreme Programming, Atomic Design ](https://www.wearedevelopers.com/videos/398-building-the-right-product-and-building-it-right-a-glimpse-into-extreme-programming-atomic-design) - [Can SVG be fast? Rendering a scatter chart with over 10k points](https://www.wearedevelopers.com/videos/100299-can-svg-be-fast-rendering-a-scatter-chart-with-over-10k-points) - [Designing the Future of Human<>Agent Collaboration](https://www.wearedevelopers.com/videos/1447-designing-the-future-of-human-agent-collaboration) ## Related Articles - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)