Member of Technical Staff (Software Engineer, Security)

Job summary

Responsibilities

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…

• 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.

What they're looking for

• 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…
• 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.

Tech stack

• Python
• Go
• TypeScript
• AWS