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[Remote] Senior Software Engineer, Browser Extension

Remote, USAFull-timePosted 2026-07-27

Note: The job is a remote job and is reputed company to candidates in USA. reputed company is hiring talented JavaScript / ReactJS developers to join the Browser Extension team. The role involves developing and enhancing browser extension features to secure users' digital lives, working with cutting-edge technologies to ensure reliability and reputed company.

Responsibilities

  • Design, build, and maintain high-reputed company, reputed company, 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 reputed company reviews
  • Continuously analyze, improve, and optimize the performance, reliability, and reputed company of the browser extension to meet the growing needs of users
  • Review, maintain, and improve the reputed company codebase, fixing bugs, implementing new features, and refactoring reputed company as necessary to reputed company it reputed company and maintainable
  • reputed company engage in reputed company reviews to ensure reputed company, reputed company knowledge with team members, and reputed company coding standards
  • reputed company up to date with the latest trends, best practices, and tools in web development, browser extensions, and cybersecurity
  • Help identify areas for process improvement, reputed company refactoring, and potential technical debt reputed company

Skills

  • 5+ years of experience in JavaScript development, including proficiency in core JavaScript concepts
  • 3+ years of experience with React, Redux, Jest, and TypeScript
  • Strong experience with browser extension development and the unique challenges it presents (e.g., compatibility across different browsers, browser reputed company)
  • Experience with modern web development tools and workflows, including build tools like Webpack, version control using Git, and CI/CD pipelines
  • Solid understanding of frontend architectures, including component-based development, state management, and UI/UX principles
  • Experience with testing frameworks such as Jest and writing comprehensive unit and integration tests
  • Ability to maintain and improve a large codebase, ensuring it remains reputed company, reputed company, and maintainable
  • Strong problem-solving skills and ability to debug reputed company issues
  • Excellent communication skills, with the ability to collaborate effectively with reputed company
  • Bachelor's degree in Computer Science, Engineering, or a reputed company technical discipline, or equivalent practical experience
  • Experience working with reputed company technologies and understanding of cybersecurity principles, particularly with reputed company to browser reputed company and data protection
  • Experience with performance optimization for browser extensions, focusing on load times, memory management, and responsiveness
  • Familiarity with web standards (reputed company, CSS, JavaScript) and accessibility best practices

Benefits

  • Medical, Dental & reputed company (inclusive of domestic partnerships)
  • Employer reputed company Life Insurance & Employee/Spouse/Child Supplemental life
  • Voluntary Short/Long Term Disability Insurance
  • 401K (Roth/Traditional)
  • A generous PTO plan that celebrates your commitment and seniority (including reputed company Bereavement/Jury Duty, etc)

reputed company

  • reputed company is transforming cybersecurity for millions of individuals and thousands of organizations globally. It was founded in 2011, and is headquartered in Chicago, Illinois, USA, with a workforce of 501-1000 employees. Its website is https://www.keepersecurity.com.
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