Role Title: UI Developer
Location: Knutsford
Duration: ASAP - 30/09/2025
MUST BE PAYE THROUGH UMBRELLA
Role Description:
Candidates will be required to complete a HackerEarth coding assessment to evaluate their technical skills and problem-solving abilities.
* Front end development experience using Javascript and jQuery, HTML5, ReactJS and other UI technologies
* Strong experience with CSS3 and CSS pre-processors
* Strong experience with JavaScript and working with React, Redux, node.js
* Strong experience of working with AJAX / JSON
* Strong understanding of accessibility standards and its application
* Strong understanding of TDD with experience of automated unit testing using mock object frameworks.
* Knowledge of SCM tools like GIT / Perforce
* Knowledge of tools like SonarQube, Grunt/gulp, npm
* Working knowledge of Javascript unit testing
* Knowledge of Network Performance optimization
Essential Skills
* Javascript
o ES6, HTML5, CSS3 - If you're a creative type let's see that SASS and LESS
* Minium 5-7 years extensive experience in ReactJs, hooks and context API.
* Experience with state management with Redux.
* REST integration and Ajax (XHR)
* Exposure to unit testing with Jest, Enzyme, React Testing Library Nightwatch (or if you're really on the money tell us what you know about Cypress)
* GIT
