# Software Engineer - Security

**Company:** [Perplexity](https://hotfix.jobs/companies/perplexity)
**Location:** San Francisco, CA
**Role:** Security Engineering
**Salary:** $210k – $385k/yr
**Experience:** 4+ years
**Skills:** Python, Go, TypeScript, SIEM, Edr, AWS, Threat Modeling, AI Agents, Vulnerability Management, Bug Bounty
**Posted:** 2025-12-02

> Builds security tools, automations, and AI agents to enhance detection, response, vulnerability management, and overall security posture. Requires 4+ years experience in software engineering with security focus, proficiency in Python/Go/TypeScript, and familiarity with SIEM/EDR/cloud systems.

## Job Description

## 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 (**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.

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