Senior UI Developer

Avnet, Inc.
Leeds, UK
3 months ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Working hours
Regular working hours
Job source

Tech stack

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
+15 more
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

Job 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.

Requirements

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

Benefits & conditions

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
  • Simply Health Plan
  • 25 days holiday plus bank holidays with option to buy additional holiday
  • FREE Onsite Parking
  • Flexible home working
  • Cycle to work Scheme
  • Reward schemes

About the company

Farnell, an Avnet company, is a global high-service distributor of technology products, services and solutions for electronic system design, maintenance and repair.

Apply for this position

This job is hosted externally. Click below to view the full posting and apply.

Apply on indeed.com

Good distractions

Talks and stories from around this role — technically off-topic, practically not.

3:37 min

Directing browser dependencies without explicit user agent evaluation

Sani Yusuf · JS Congress

5:04 min

Configuring the Figma MCP for local code generation

Perf + AI

1:44 min

Playing synthesized backend audio objects in browsers

Lee Boonstra · LIVE

10:09 min

Transitioning from graphic design to large scale frontend architecture

Erasmo Hernandez Erasmo Hernandez · WWC Europe 2026

1:26 min

Implementing custom component libraries with Figma

Philipp Kremer · WWC 2023

3:26 min

Leveraging existing web knowledge for developer experience

Xuan Huang Xuan Huang · WWC 2025

Videos

See all

Related articles

See all