Our client is hiring a Senior Frontend Engineer to lead frontend architecture, drive delivery of complex features, and mentor engineers within a high-growth product team. This role focuses on building high-performance, enterprise-grade interfaces used by large global customers.ResponsibilitiesLead the design and development of major frontend components and systems.Make key decisions on architecture, performance, and state management.Deliver high-quality, well-tested features end-to-end.Collaborate with Product and Design; provide mentorship and code reviews.Improve tooling, workflows, and overall engineering quality.Support operational excellence through monitoring, incident response, and continuous improvement.Requirements8+ years building production-ready web apps using modern frameworks.Expert in TypeScript, React, and frontend performance optimisation.Strong experience with design systems, Storybook, testing (Jest/Cypress), and modern build tools.Solid UX sensibility with understanding of accessibility standards.Comfortable leading technical discussions, mentoring engineers, and working in distributed teams.Nice to HaveExperience with AI-assisted development or AI-powered product features.Built interfaces for enterprise-scale environments.Startup or high-growth experience.Exposure to backend tech, Python) and advanced state management.Open-source contributions or community involvement.