Member of Technical Staff (Software Engineer, Security)

Perplexity; United States; On-site; USD 200,000 - 300,000; Full time

Job summary

A leading software company in the U.S. is seeking a Mid-Senior Software Engineer to enhance their security operations. The candidate will design and implement automation and security tools, collaborate with various teams, and contribute to threat modeling. Ideal applicants should have over 4 years of experience in software development with a focus on security, proficient in at least one major programming language like Python or Go. This is a full-time role offering competitive compensation.

Qualifications

• 4+ years as a software engineer, focusing on security tools.
• Proficient in Python, Go, or TypeScript.
• Experience with SIEMs and security APIs.

Responsibilities

• Design and maintain software that enhances security operations.
• Develop AI agents for security monitoring and investigation.
• Partner with teams to threat model new features.

Skills

Software development

Security automation

Cross-functional collaboration

Programming in Python

Threat modeling

Tools

AWS

SIEM

EDR

Job description

Software Engineer - Security at Perplexity

Base pay range

$200,000.00/yr - $300,000.00/yr

About the Role

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.

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 (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.

Seniority Level

Mid‑Senior level

Employment Type

Full‑time

Job Function

Engineering and Information Technology

Industries

Software Development

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