Frontend Engineer

Founding Frontend Engineer We''re recruiting for a leading AI security start-up who are building an adaptive security layer designed to detect and respond to evolving threats in real time. As a Founding Frontend Engineer, you''ll be responsible for developing, maintaining, and scaling their user portal - the first thing customers see when engaging with their product. You''ll also be crafting the principles and values the organisation upholds when doing frontend engineering now, and into the future. This is an opportunity to take complete ownership over their frontend stack, work with an incredible team of talented engineers, and to help build the future of their core offering. Your Responsibilities Owning the full frontend surface from design system foundations to performance to deployment. Translating UI/UX designs into clean, efficient, and maintainable code. Developing accessible and high-performing user interfaces across devices. Optimising application performance and ensuring cross-browser compatibility. Identifying, troubleshooting, and resolving front-end issues efficiently. Decision making on authentication strategies and secure session/token approaches (e.g. JWT/JWE, token rotation). Collaboration with designers, developers, and stakeholders to deliver seamless digital experiences. Enforcing and maintaining best practices in frontend development, including code quality, testing, and performance optimisation. You Should Have Strong commercial ..... full job details .....