building robust, high-performance applications using React and TypeScript. Enhancing and refactoring existing browser extensions and web-based products. Working across technologies including Redux, Webpack, and Jest. Driving performance optimisations and improving UI responsiveness at scale. Collaborating in a Kanban environment with daily deployments. Sharing knowledge, mentoring others, and contributing … genuine passion for building great products. You'll need: 5+ years' commercial Front End Development experience with JavaScript and TypeScript. Solid understanding of Redux, Webpack, and Jest (or similar frameworks). Experience delivering front-end applications at scale. Strong communication skills and a collaborative mindset. A pragmatic approach to shipping ...