Perplexity · 1 month ago
Software Engineer - Security
San Francisco
Full-time
Onsite
Mid Level
$200K/yr - $300K/yr
4+ years expPerplexity is seeking a hands-on Software Engineer to build and evolve the software, automations, and systems that power their security operations. This role focuses on engineering security tools and internal AI-driven agents that improve detection and response, vulnerability management, and the overall security posture of their products and infrastructure.
Artificial Intelligence (AI)ChatbotMachine LearningNatural Language ProcessingSearch Engine
Responsibilities
Design, build, and maintain software and automation that improves our detection and response program, including alert enrichment, triage workflows, and investigation tooling
Implement and enhance internal AI agents and security bots that assist with monitoring, investigations, reporting, and other security operation tasks
Develop and operate systems and workflows that support the bug bounty and vulnerability disclosure program, including intake, triage, prioritization, and remediation tracking
Partner with product and engineering teams to threat model new features and systems, propose mitigations, and add guardrails into designs and implementations
Contribute to secure-by-default libraries, services, and patterns that make it easy for teams to build secure features
Integrate security signals from cloud, endpoints, SaaS, and applications into cohesive pipelines and data models that support detection and analysis
Build automation to reduce manual work in incident response, containment, and remediation
Collaborate with security engineers and other software engineers to review designs and code, and to continuously improve our security tooling and platforms
Qualification
Required
4+ years of experience as a software engineer with significant time spent building security-related tools, platforms, or automations, or in a security engineering role with strong software development responsibilities
Proficiency in at least one major programming language (such as Python, Go, or TypeScript) and experience building production services, CLIs, or internal tools
Experience integrating with security-relevant systems such as logging pipelines, SIEMs, EDR, cloud APIs, or identity platforms
Practical experience with threat modeling, secure design, or application security reviews for services or features
Ability to work closely with cross-functional teams, own projects end-to-end, and ship pragmatic, high-impact improvements
Preferred
Experience operating or contributing to bug bounty or vulnerability management programs is a plus
Familiarity with cloud infrastructure (AWS preferred) and modern SaaS environments
Bonus: Experience designing or improving AI-powered agents or automation used for security operations
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
2026-01-12
Business Insider
2026-01-11
2026-01-11
Company data provided by crunchbase