Full-Time

Browser Security Engineer at Perplexity

Company Perplexity
Salary $220K – $405K
How You'll Work remote
Level senior
Sector Technology
Posted Posted on March 4, 2026

Job Description

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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