Architect and implement modern, scalable UIs using ReactJS, Redux, and TypeScript Design and build features for Keeper’s Web Vault and Electron-based desktop apps Integrate with RESTful APIs and ensure strict adherence to zero-knowledge security principles Drive best practices in state management, component reuse, and code maintainability Optimize performance across rendering, bundle sizes, and memory usage Partner closely with UX, Product, QA, and Security teams to deliver outstanding user experiences Occasionally contribute to native capabilities through C++/Qt/QML when needed Lead code reviews and mentor junior developers on frontend design patterns and secure coding