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# Member of Technical Staff (Software Engineer, Security)

- **Company:** PERPLEXITY LLC
- **Location:** San Francisco, CA, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Build Automation, Software as a Service, Cloud Computing, Cyber Security, Identity and Access Management, Python (Programming Language), Perplexity AI, Server Administration, Software Engineering, TypeScript, Software Vulnerability Management, Data Logging, Software Security, Agentic-AI
- **Published:** November 2, 2026
- **Apply:** https://www.careerbuilder.com/job-details/member-of-technical-staff-software-engineer-security-san-francisco-ca--db3583fb-f3e0-4fbe-b7e6-30a1459ef44d

## About the Role

Software Engineering, Software Engineering, Computer Security, Process Improvement, Artificial Intelligence (AI) Agents, Automation Systems, Software Administration, Machine Tool, System Operations, Establish Priorities, * 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.

## Description

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., * 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.