[Remote] Member of Technical Staff (Software Engineer, Security)

Note: The job is a remote job and is open to candidates in USA. 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.ResponsibilitiesDesign, build, and maintain software and automation that improves our detection and response program, including alert enrichment, triage workflows, and investigation toolingImplement and enhance internal AI agents and security bots that assist with monitoring, investigations, reporting, and other security operation tasksDevelop and operate systems and workflows that support the bug bounty and vulnerability disclosure program, including intake, triage, prioritization, and remediation trackingPartner with product and engineering teams to threat model new features and systems, propose mitigations, and add guardrails into designs and implementationsContribute to secure-by-default libraries, services, and patterns that make it easy for teams to build secure featuresIntegrate security signals from cloud, endpoints, SaaS, and applications into cohesive pipelines and data models that support detection and analysisBuild automation to reduce manual work in incident response, containment, and remediationCollaborate with security engineers and other software engineers to review designs and code, and to continuously improve our security tooling and platformsSkills4+ 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 responsibilitiesProficiency in at least one major programming language (such as Python, Go, or TypeScript) and experience building production services, CLIs, or internal toolsExperience integrating with security-relevant systems such as logging pipelines, SIEMs, EDR, cloud APIs, or identity platformsPractical experience with threat modeling, secure design, or application security reviews for services or featuresAbility to work closely with cross-functional teams, own projects end-to-end, and ship pragmatic, high-impact improvementsExperience operating or contributing to bug bounty or vulnerability management programs is a plusFamiliarity with cloud infrastructure (AWS preferred) and modern SaaS environmentsBonus: Experience designing or improving AI-powered agents or automation used for security operationsBenefitsOffers EquityCompany OverviewPerplexity is an AI-powered platform that retrieves, analyzes information from the web to deliver structured answers with cited sources. It was founded in 2022, and is headquartered in San Francisco, California, USA, with a workforce of 201-500 employees. Its website is https://www.perplexity.ai.Company H1B SponsorshipPerplexity has a track record of offering H1B sponsorships, with 3 in 2026, 12 in 2025, 7 in 2024, 2 in 2023. Please note that this does not guarantee sponsorship for this specific role.