Frontend Developer – Sheffield

A frontend developer in Sheffield is tasked with designing and implementing responsive user interfaces for web and mobile using HTML5, JavaScript (ES6+), and CSS. They create reusable components and design systems to ensure accessibility and consistency across digital channels. The role involves applying modern styling techniques like CSS Grid and Flexbox, as well as optimising performance for user experience. They will develop cross-platform mobile applications using frameworks such as React Native or Flutter, and embed e-commerce tools and APIs for personalised features. Security best practices, including secure authentication and vulnerability protection, are essential, along with managing complex application state with libraries like Redux. Testing of applications through automation at various levels is also part of the responsibilities.