About the Role
Location: Cambridge (On-site)Job Type: Full-time, PermanentSalary: £70,000Are you a frontend software developer with experience in React or Angular? If yes, this could be your ideal next role!A well-funded, research-led technology start-up is seeking a Mid–Senior Front-End Developer to join its growing team in Cambridge.This is a high-impact role where you’ll take ownership of front-end development, working closely with engineers and researchers to translate complex systems into intuitive, production-ready user experiences.The RoleAs a Front-End Developer, you will lead the design and development of modern web applications - taking products from early-stage prototypes through to full production deployment.You’ll work in a highly technical, fast-paced environment, collaborating with backend engineers and research teams to build interfaces for sophisticated AI-driven systems.While this role will evolve into leading a small front-end function, it remains hands-on and development-focused.What You’ll Be Doing:Designing, building, and maintaining modern front-end applications using React or Angular.Taking ownership of projects from prototype through to production deployment.Translating complex technical workflows into clean, user-friendly interfaces.Ensuring performance, scalability, and maintainability of front-end systems.Contributing to architectural decisions across the wider platform.Mentoring and supporting other front-end developers as the team grows.Essential Skills & Experience:5+ years’ commercial experience in front-end development.Strong experience with React or Angular (experience with both is advantageous).Proven ability to own and deliver front-end projects end-to-end.Solid understanding of modern front-end architecture, state management, and tooling.Experience working with APIs and backend-integrated systems.Ability to read and understand Python-based codebases (particularly research prototypes).Strong problem-solving skills and ability to work independently.Excellent communication skills when working across technical disciplines.Desirable Experience (Not Required):Experience working on LLM-powered or AI-driven applications.Exposure to agentic workflows or complex computational systems.Background in start-ups or early-stage environments.Experience building developer tools, dashboards, or technical UIs.Who You Are:Comfortable operating in a fast-moving, research-heavy environment.Curious and motivated by technically challenging problems.Able to bridge the gap between complex backend systems and user experience.Proactive, adaptable, and ownership-driven.Interested in working closely with highly technical engineers and researchers.If this sounds like you, apply now!