Senior Frontend Developer Contract – 6 month Leeds (1 day a week in the office) Outside IR35 Are you a talented Senior Frontend Developer looking to join a dynamic, forward-thinking team? This is your chance to make a significant impact on the future of retail technology. The company is seeking a highly skilled and experienced Senior Frontend Developer to play a crucial role in delivering high-performance, customer-facing applications Key Responsibilities of the Senior Frontend Developer Role: Build and maintain cutting-edge React/TypeScript applications using modern frameworks Architect scalable, maintainable frontend systems with a focus on performance and accessibility Drive improvements in code quality, testing, and frontend tooling Champion responsive design and performance optimization Collaborate with DevOps engineers on CI/CD enhancements What We're Looking For: Professional JavaScript/TypeScript development experience Strong experience mentoring and supporting other engineers Expert-level knowledge of React, TypeScript, and modern JavaScript Deep experience with state management (Redux, Zustand, Context API) Strong understanding of performance optimization and accessibility Advanced experience with component libraries and design systems Proficiency with AWS, Docker, and advanced testing strategies Comprehensive automated testing experience (unit, functional, integration, e2e) Agile software delivery and continuous improvement experience