Perplexity · 10 hours ago
Application Security Engineer
San Francisco, CA
Full-time
Onsite
Senior Level, Lead/Staff
$210K/yr - $385K/yr
8+ years expPerplexity is seeking a highly skilled and experienced Application Security Engineer to join their dynamic security team, revolutionizing the way people search and interact with the internet. The role involves building systems, tools, and processes to ensure seamless security for developers while protecting users at scale.
Artificial Intelligence (AI)ChatbotMachine LearningNatural Language ProcessingSearch Engine
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
Qualification
Required
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)
Preferred
Experience with securing cloud infrastructure or AI/ML systems
Company
Perplexity
Perplexity is an AI-powered answer engine designed to provide accurate, real-time responses to user queries.
201-500 employees
H1B Sponsorship
Perplexity has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (12)
2024 (7)
2023 (2)
Funding
Current Stage
Late StageTotal Funding
$1.48BKey Investors
Cristiano RonaldoNuVenturesAccel
2025-12-05Undisclosed
2025-09-10Series Unknown· $200M
2025-08-15Secondary Market
Leadership Team
Aravind Srinivas
Cofounder, President, CEO
Denis Yarats
Co-Founder & CTO
Recent News
2026-01-16
Business News: Pasadena Star-News
2026-01-16
Company data provided by crunchbase