Cyberhaven
We protect important data other tools can’t see, from threats they can’t detect, across technologies they can’t control.
Senior Software Engineer – Browser Extension
Location
United States
Posted
64 days ago
Salary
$200K - $235K / year
Bachelor Degree5 yrs expEnglishJava ScriptType ScriptGo
Job Description
• 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.
Job 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.
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