Role: Contract Senior Frontend Engineer Rate: c. £550 Outside IR35 Per Day Location: Leeds - Hybrid (2 days on site/PW) Length: 3-6 months About Us We are workign with a growing, forward-thinking technology company dedicated to building scalable, reliable, and high-performing solutions that deliver exceptional user experiences. Role Overview As a Senior Frontend Engineer, you will be responsible for designing, developing, and optimising customer-facing web applications. You'll work closely with product managers, designers, and backend engineers to deliver intuitive, performant, and accessible interfaces. Key Responsibilities Lead the design and implementation of frontend architecture and features using React. Collaborate with product managers, UX/UI designers, and backend teams to deliver features end-to-end. Ensure applications are performant, responsive, and accessible across devices and browsers. Write clean, testable, and efficient code following best practices and modern standards. Contribute to improving frontend tooling, CI/CD pipelines, and developer experience. Requirements Strong programming ability in React (hooks, state management, component architecture). Proven experience in frontend architecture and scaling web applications. Solid understanding of modern JavaScript/TypeScript, HTML5, and CSS3. Experience with testing frameworks (Jest, React Testing Library, Cypress). Awareness of RESTful APIs, microservices, and event-driven architecture. Familiarity with cloud platforms (AWS, Azure, or GCP) and containerization (Docker, Kubernetes) is a plus. We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation, or age.