Principal Software Engineer (Browser Extension)

• Cyberhaven is redefining data security by understanding how data flows across organizations. Our browser extension is a critical component of this vision, enabling visibility and control at the point where users interact with web applications
• We’re looking for an experienced engineer to help build and enhance our extension, ensuring it’s secure, performant, and deeply integrated with our platform. You’ll join our Browser Extension team and collaborate closely with both the endpoint agent and backend teams to deliver a seamless experience across devices and environments
• 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

Benefits

• Remote-friendly culture
• Potential fast-tracked career advancement opportunities
• Flexible time off
• 100% paid health benefits for you and your family- Deep understanding of browser extension APIs (Chrome Extensions, Manifest V3, etc.) and security implications of interacting with web content
• Strong proficiency in JavaScript/TypeScript, HTML/CSS, and modern web technologies
• Experience with secure coding practices and handling untrusted data
• 5+ years of software engineering experience, with at least 3 years focused on browser extension development
• Background in security tools, SaaS products, or endpoint technologies
• Knowledge of Go for backend integration
• Excellent communication skills and ability to work cross-functionally with product, design, and backend teams- As part of Cyberhaven’s hiring process, we use recruiting tools that include AI-powered features to help with tasks like scheduling, note-taking, workflow automation, and other recruiting activities (“AI Tools”)
• The AI Tools may process information you provide during the application and interview process. When AI-assisted interview note taking is used, candidates are notified in advance and have the option to opt out of the AI-assisted interview note taking