• Design, build, and maintain high-quality, scalable, and secure features for the Keeper Browser Extension using JavaScript, React, Redux, and Jest. • Work closely with product managers, UX/UI designers, and other engineers to define requirements and deliver the best possible user experience. • Ensure the highest standards for coding practices, including test-driven development (TDD), writing unit tests with Jest, and participating in code reviews. • Continuously analyze, improve, and optimize the performance, reliability, and security of the browser extension to meet the growing needs of users. • Review, maintain, and improve the current codebase, fixing bugs, implementing new features, and refactoring code as necessary to keep it scalable and maintainable. • Actively engage in code reviews to ensure quality, share knowledge with team members, and uphold coding standards. • Keep up to date with the latest trends, best practices, and tools in web development, browser extensions, and cybersecurity. • Help identify areas for process improvement, code refactoring, and potential technical debt resolution.