Senior Frontend Engineer - Cloud Tracking Location: Hybrid working – minimum 2 days per week in the office Office locations: Basingstoke, London, or Bristol Contract: Permanent, Full-Time Salary: £58,810 – £80,190 per annum (depending on experience and level) About the Team Hi, I’m Jon Frost, Principal Frontend Engineer at Hawk-Eye Innovations and the lead for our Frontend Engineering discipline. We’re looking for a Senior Frontend Engineer to join our Engineering Team, where we build data-rich, interactive UI platforms used across the world of sport — from tools for analysts and coaches to live visualisations and broadcast overlays. Our work powers real-time match data, video analysis for officials, and engaging insights for fans worldwide. This role is suited to an engineer who is comfortable owning production features, shaping frontend architecture, and supporting other engineers as we continue to scale our platforms. What You’ll Be Doing Building, maintaining, and evolving production-grade user interfaces using React and TypeScript Turning complex sports data into intuitive and performant user experiences Working closely with backend, design, and data engineers to deliver end-to-end features Writing clean, maintainable, and scalable code that supports long-term platform development Debugging and resolving issues across browsers, devices, and environments Contributing to frontend architecture decisions, performance improvements, and release workflows Supporting and mentoring engineers within the frontend discipline through collaboration and code reviews Key Responsibilities Deliver high-quality frontend features from design through to production Take ownership of components, systems, or areas of the frontend platform Maintain and enhance existing software in line with agreed engineering standards Participate actively in code reviews and technical discussions Collaborate using Jira for task tracking and Git for version control Contribute ideas to improve frontend tooling, performance, and developer experience Skills, Knowledge & Expertise We’re looking for someone with: Strong hands-on experience with React and TypeScript Solid knowledge of HTML, CSS, and modern UI libraries such as Tailwind CSS, React Router, and React Query Experience working with APIs and JSON-based data Practical experience with automated testing (Cypress, Jest, or similar) Good understanding of frontend performance considerations Strong communication skills and the ability to collaborate with engineers and product stakeholders Experience mentoring or supporting other engineers within a team environment Nice to Have (but not essential) Experience with Node.js Exposure to AWS or cloud technologies Experience with video integrations, real-time applications, or data visualisation Exposure to 3D rendering or WebGL An interest in sports, data visualisation, or real-time systems Reward, Benefits & Wellness UK Benefits 25 days annual leave (excluding bank holidays) Enhanced pension scheme with 5% matching Hybrid working model Complimentary Unmind wellbeing app Onsite gym (Basingstoke) Access to sporting events and tickets Sony Group company discounts Hungary Benefits Annual leave in line with local labour law Hybrid working model (2 days per week in the office) Access to sporting events and tickets Sony Group company discounts Cafeteria benefits include: SZÉP Card Nursery & Kindergarten contributions Annual MOL Bubi Pass Private medical insurance Life & accident insurance MindentMent Dental Clinic discounts Seniority awards Employee Assistance Program Equal Opportunity and Inclusion As part of Sony Sports Businesses, we’re committed to building a diverse and inclusive workforce. We employ, retain, promote, and treat all employees and applicants fairly, based on skills, qualifications, and professional experience. Our goal is to provide a respectful and inclusive environment where people can contribute, develop, and succeed.