Application Security Engineer
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Job Description
Application Security Engineer at Perplexity designing developer-friendly security solutions. Leading security efforts to protect users while enabling rapid innovation.
Responsibilities:
- Design and implement scalable, developer-friendly security solutions that integrate directly into engineering workflows
- Lead threat modeling, design reviews, and code reviews for new features and major product launches
- Build and evolve secure-by-default frameworks for authentication, authorization, input validation, and secrets management
- Develop and integrate automated security tooling into CI/CD pipelines (e.g., linters, dependency scanners, policy enforcement)
- Collaborate with product and engineering teams to remediate vulnerabilities, and contribute to incident response and postmortems
- Own, manage, and improve our third-party penetration testing engagements and bug bounty program, working closely with external security researchers to identify and resolve vulnerabilities
- Stay current on emerging threats and attack techniques, and drive ongoing maturity of our application security posture
Requirements:
- 8+ years of experience in Application Security, Product Security, or similar roles
- Deep understanding of secure software development practices, threat modeling, and common vulnerabilities (e.g., OWASP Top 10)
- Familiarity with modern authentication and authorization patterns (OAuth, OIDC, SSO, Zero Trust)
- Proven track record of building secure infrastructure, reusable libraries, or developer tooling
- Proficiency with at least one major programming language (e.g., Python, Go, JavaScript, Java)
- Bonus: Experience with securing cloud infrastructure or AI/ML systems
Benefits:
- equity
- health
- dental
- vision
- retirement
- fitness
- commuter and dependent care accounts
- comprehensive benefits program tailored to their region of residence.
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