Application Security Engineer

PerplexitySan Francisco, California

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Overview

Schedule

Full-time

Career level

Senior-level

Job Description

Perplexity is seeking a highly skilled, experienced and hands-on Application Security Engineer to join our dynamic security team, revolutionizing the way people search and interact with the internet. You’ll build the systems, tools, and processes that make security seamless for developers and strong by default, enabling rapid innovation while protecting our users at scale.

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

Qualifications

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

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FAQs About Application Security Engineer Jobs at Perplexity

What is the work location for this position at Perplexity?

This job at Perplexity is located in San Francisco, California, according to the details provided by the employer. Some roles may also include multiple work locations depending on the requirement.

What pay range can candidates expect for this role at Perplexity?

Employer has not shared pay details for this role.

What employment applies to this position at Perplexity?

Perplexity lists this role as a Full-time position.

What experience level is required for this role at Perplexity?

Perplexity is looking for a candidate with "Senior-level" experience level.

What is the process to apply for this position at Perplexity?

You can apply for this role at Perplexity either through Sonara's automated application system, which helps you submit applications 10X faster with minimal effort, or by applying manually using the direct link on the job page.