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PerplexityPerplexitySan Francisco, CA

Software Engineer - Security

Builds security tools, automations, and AI agents to enhance detection, response, vulnerability management, and overall security posture. Requires 4+ years experience in software engineering with security focus, proficiency in Python/Go/TypeScript, and familiarity with SIEM/EDR/cloud systems.

210k – 385k/yr
On-site4+ YOESecurity Engineering

About the role

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 (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.

Skills

PythonGoTypeScriptSIEMEdrAWSThreat ModelingAI AgentsVulnerability ManagementBug Bounty
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