Keeper Security, Inc. · 1 day ago
Senior Software Engineer, Browser Ext
Keeper Security, Inc. is a leading cybersecurity company dedicated to transforming security for organizations globally. They are seeking a talented Senior Software Engineer to join the Browser Extension team, responsible for developing and enhancing features that empower users to secure their digital lives using JavaScript and React.
Cloud SecurityCyber SecurityIdentity ManagementSecuritySoftware
Responsibilities
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
Qualification
Required
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 APIs)
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 stable, scalable, and maintainable
Strong problem-solving skills and ability to debug complex issues
Excellent communication skills, with the ability to collaborate effectively with remote teams
Preferred
Bachelor's degree in Computer Science, Engineering, or a related technical discipline, or equivalent practical experience
Experience working with security technologies and understanding of cybersecurity principles, particularly with regard to browser security and data protection
Experience with performance optimization for browser extensions, focusing on load times, memory management, and responsiveness
Familiarity with web standards (HTML, CSS, JavaScript) and accessibility best practices
Benefits
Medical, Dental & Vision (inclusive of domestic partnerships)
Employer Paid 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 paid Bereavement/Jury Duty, etc)
Company
Keeper Security, Inc.
Keeper Security is transforming cybersecurity for millions of individuals and thousands of organizations globally.
H1B Sponsorship
Keeper Security, Inc. has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2021 (1)
Funding
Current Stage
Late StageTotal Funding
$60.25MKey Investors
Summit PartnersInsight Partners
2023-05-09Private Equity
2020-08-13Private Equity· $60M
2011-01-01Seed· $0.25M
Recent News
2025-12-25
Company data provided by crunchbase