ABOUT THE ROLE
Perplexity is seeking a hands-on Software Engineer to build and evolve the software, automations, and systems that power our 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 our products and infrastructure.
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.
QUALIFICATIONS
- 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.
- Experience operating or contributing to bug bounty or vulnerability management programs is a plus.
- Familiarity with cloud infrastructure (AWS preferred) and modern SaaS environments.
- Ability to work closely with cross-functional teams, own projects end-to-end, and ship pragmatic, high-impact improvements.
- Bonus: Experience designing or improving AI-powered agents or automation used for security operations.
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