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Job
· Principal
Member of Technical Staff (Software Engineer, Security)
Software Engineer
• Principal
• On-site
• Full-time
•
San Francisco, USA
Perplexity is seeking a hands-on Software Engineer to build the software, automations, and internal AI-driven agents that power its security operations, improving detection, response, and vulnerability management.
Stack
Responsibilities
- ▹Design, build, and maintain software/automation that improves detection and response (alert enrichment, triage workflows, investigation tooling)
- ▹Implement and enhance internal AI agents and security bots for monitoring, investigations, and reporting
- ▹Develop and operate systems for the bug bounty and vulnerability disclosure program (intake, triage, prioritization, remediation tracking)
- ▹Partner with product and engineering to threat model new features and add guardrails
- ▹Contribute to secure-by-default libraries, services, and patterns
- ▹Integrate security signals from cloud, endpoints, SaaS, and applications into cohesive pipelines and data models
- ▹Build automation to reduce manual work in incident response, containment, and remediation
- ▹Collaborate with security and software engineers on design and code review
Requirements
- ▹4+ years as a software engineer with significant time on security-related tools/platforms/automation, or a security engineering role with strong dev responsibilities
- ▹Proficiency in at least one major language (Python, Go, or TypeScript), building production services, CLIs, or internal tools
- ▹Experience integrating with security-relevant systems (logging pipelines, SIEMs, EDR, cloud APIs, identity platforms)
- ▹Practical experience with threat modeling, secure design, or application security reviews
- ▹Experience with 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 and own projects end-to-end
Nice to have
- ▹Experience designing or improving AI-powered agents or automation for security operations
Soft skills
Cross-functional collaborationShipping pragmatic, high-impact improvements
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