Design, build, and maintain a robust browser extension for Chrome, Edge, and other major browsers using Manifest V3 and modern APIs.
Implement features that securely interact with web content and backend services, ensuring compliance with security best practices.
Optimize performance and reliability across diverse environments and user workflows.
Work closely with the endpoint agent and backend teams to ensure tight integration and consistent functionality across endpoints and services.
Stay ahead of evolving browser APIs, security standards, and extension ecosystem changes.
Participate in code reviews, testing, and continuous improvement of development processes.

Requirements

5+ years of software engineering experience, with at least 3 years focused on browser extension development.
Strong proficiency in JavaScript/TypeScript, HTML/CSS, and modern web technologies.
Deep understanding of browser extension APIs (Chrome Extensions, Manifest V3, etc.) and security implications of interacting with web content.
Experience with secure coding practices and handling untrusted data.
Background in security tools, SaaS products, or endpoint technologies is a bonus.
Knowledge of Go for backend integration is a bonus.
Excellent communication skills and ability to work cross-functionally with product, design, and backend teams.

Benefits

Cyberhaven is committed to creating a diverse environment and is an equal opportunity employer.

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

JavaScriptTypeScriptHTMLCSSbrowser extension developmentManifest V3browser extension APIssecure coding practicesGoperformance optimization

communicationcross-functional collaboration