Member of Technical Staff (Software Engineer, Security)

at Perplexity AI

📍 Serbia
📍 United States
📍 London, United Kingdom
📍 New York City, United States
📍 San Francisco, United States

USD 220,000-405,000 per year

MIDDLE

✅ Remote ✅ On-site

Tech Stack
Tag name is followed by "@" symbol and proficiency level value. About proficiency levels:

1-2 — basic awareness. Minimal hands-on experience, and a rudimentary understanding of the technology's purpose;

3-6 — daily use. Comfortable and regular usage, capable of handling common tasks and challenges related to the technology;

7-9 — you are an expert, you can teach others, you know all the pitfalls and tricks;

10 — exceptional knowledge, comprehensive understanding, and adeptness in all aspects of the technology, including advanced problem-solving. Think twice before claiming or demanding such level.

AI @ 1 API @ 3 AWS @ 2 Go @ 5 Python @ 5 Security @ 6 Software Development @ 6 TypeScript @ 5

Details

Perplexity is seeking a hands-on Software Engineer to build and evolve the software, automations, and systems that power its security operations. The role focuses on engineering security tools and internal AI-driven agents that improve detection and response, vulnerability management, and the security posture of products and infrastructure.

Responsibilities

Design, build, and maintain software and automation for detection and response, including alert enrichment, triage workflows, and investigation tooling.
Implement and enhance internal AI agents and security bots for monitoring, investigations, reporting, and other security operations tasks.
Develop and operate systems and workflows supporting bug bounty and vulnerability disclosure programs, 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 to designs and implementations.
Contribute to secure-by-default libraries, services, and patterns that enable teams to build secure features.
Integrate security signals from cloud, endpoints, SaaS, and applications into cohesive pipelines and data models for detection and analysis.
Build automation to reduce manual work in incident response, containment, and remediation.
Collaborate with security engineers and software engineers to review designs and code and continuously improve security tooling and platforms.

Requirements

4+ years of experience as a software engineer, with significant experience building security-related tools, platforms, or automations, or working 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.
Familiarity with cloud infrastructure, preferably AWS, and modern SaaS environments.
Ability to work closely with cross-functional teams, own projects end-to-end, and deliver pragmatic, high-impact improvements.
Experience operating or contributing to bug bounty or vulnerability management programs is a plus.
Bonus: Experience designing or improving AI-powered agents or automation for security operations.

Benefits

U.S. full-time employees receive benefits including equity, health, dental, vision, retirement, fitness, commuter, and dependent care accounts.
International full-time employees receive benefits tailored to their region of residence.
USD salary ranges apply only to U.S.-based positions. International salaries are set based on the local market, and final offers vary based on factors including experience and expertise.