Job Title: UI Developer (Contract)
Location: Knutsford (hybrid, 2 days a week)
Contract Duration: Until 30th September 2025
Day Rate: £435 per day (Inside IR35)
Security Clearance: Must be eligible for BPSS
Role Overview: We are seeking an experienced UI Developer for a long-term contract role. The ideal candidate will bring strong front-end development skills and a passion for delivering high-quality user interfaces. You’ll be working with a modern tech stack and will be expected to take part in a HackerEarth coding assessment to demonstrate your technical capabilities.
Key Responsibilities:
* Develop responsive and accessible user interfaces using JavaScript, ReactJS, and associated technologies.
* Collaborate with designers, backend developers, and product managers to deliver UI features.
* Write clean, maintainable, and testable code using modern JavaScript standards.
* Implement unit and integration tests using tools like Jest, React Testing Library, or Cypress.
* Optimize applications for maximum speed and scalability.
* Work with version control systems and CI/CD tools.
Essential Skills & Experience:
* JavaScript (ES6+), HTML5, CSS3
o Experience with SASS, LESS, and CSS pre-processors
* ReactJS (5–7 years minimum)
o Strong knowledge of Hooks, Context API, and Redux
* AJAX/JSON and REST API integration
* Front-end tooling: Node.js, npm, Grunt/Gulp
* Experience with unit testing: Jest, Enzyme, React Testing Library, Nightwatch, or Cypress
* Source control experience: GIT, Perforce
* Exposure to code quality tools like SonarQube
* Good understanding of accessibility standards
* Familiarity with network performance optimization techniques