ca5aa9a9-fff Browser Security Engineer We are seeking a skilled Browser Security Engineer to join our team. As a key member of our security team, you will be responsible for leading threat modeling and security architecture reviews for all Comet browser surfaces. You will also collaborate closely with product and engineering teams to proactively identify and mitigate browser vulnerabilities, especially issues specific to custom Chrome engineering and browser extension architecture.

What you'll do

  • Lead threat modeling and security architecture reviews for all Comet browser surfaces.
  • Collaborate closely with product and engineering teams to proactively identify and mitigate browser vulnerabilities, especially issues specific to custom Chrome engineering and browser extension architecture.

What you need

  • Prior experience in browser, application, or product security (ideally with Chrome/Chromium or other browser engine experience).
  • Deep knowledge of modern browser architectures; understanding of XSS, CSP, sandboxing, extension security, and WebView-specific threats.

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]]> full-time senior remote $220K – $405K browser security, threat modeling, security architecture, custom Chrome engineering, browser extension architecture Engineering Technology Perplexity https://logos.yubhub.co/perplexity.ai.png Perplexity is a cutting-edge technology company that specializes in developing innovative browser products. As a leader in the industry, they are committed to delivering high-quality solutions that meet the evolving needs of their customers. https://www.perplexity.ai/ https://jobs.ashbyhq.com/perplexity/0fd96ad3-49ec-4098-a881-a0d5127b3403 San Francisco, London, New York City, Remote (United States), Serbia 2026-03-04