Avnet LLC

Senior UI DeveloperApplyremote type: Hybridlocations: Leeds, United Kingdomtime type: Full timeposted on: Posted Todaytime left to apply: End Date: June 2, 2026 (13 days left to apply)job requisition id: JR-022530 Farnell Farnell, an Avnet company, is a global high-service distributor of technology products, services and solutions for electronic system design, maintenance and repair. Job Summary: Senior UI Developer 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 What's in it for you? Along with offering a competitive salary package, we also offer: A supportive team environment where everyone really is working toward the same goal. A strong open-door policy within management An environment where you will be given the tools and opportunities to further your career Pension scheme Private Medical cover 25 days holiday plus bank holidays with option to buy additional holiday FREE Onsite Parking Flexible home working Cycle to work Scheme Reward schemes The Ideal Person: What you will be doing: 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. What we are looking for: 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. above statements are intended to describe the general nature and level of work being performed. They are not intended to be construed as an exhaustive list of all responsibilities, duties, and skills.Avnet is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability. If you are interested in applying for employment with Avnet and need special assistance or an accommodation to apply for a posted position contact our Human Resources Service Center in your region: Americas applicants - , Asia applicants - , EMEA applicants - .

Avnet LLC in Leeds is looking for a Senior UI Developer to enhance their dynamic UI development team. This position focuses on building and maintaining a large-scale eCommerce platform, ensuring responsive user interfaces with React and Node.js. The ideal candidate will have extensive experience in front-end technologies, a strong understanding of user experience design, and will enjoy a hybrid working environment with numerous benefits including medical coverage and a pension scheme.