Staff Application Security Engineer

Role overview Set technical direction for application security across a software engineering organization, helping teams build secure products and services from design through deployment. The staff-level role combines hands-on security architecture, offensive testing, guidance on emerging AI systems, and mentorship across engineering.

Responsibilities - Define the application security roadmap and establish secure engineering standards and defaults. - Assess AI, machine learning, and agent-based workflows for threats such as prompt injection, model manipulation, and data poisoning. - Lead vulnerability discovery and offensive testing, demonstrate business impact, and prioritize remediation with partner teams. - Apply threat modeling and security controls to product platforms, cloud infrastructure, data systems, APIs, and microservices. - Mentor security engineers and influence engineering leaders on complex, multi-quarter initiatives.

Requirements - At least eight years of application security, product security, or software engineering experience focused on both offensive and defensive security. - Track record leading technical security initiatives and mentoring engineers. - Hands-on expertise in AI security, including agent architectures, language model gateways, and adversarial testing. - Experience with secure development lifecycles, threat modeling complex systems, and cloud-native container security, including AWS and Kubernetes. - Proficiency in Python, Go, or a similar language for security tooling and automation. - Strong communication and judgment when working through ambiguity and influencing technical leaders.

Nice to have Experience with Kotlin, gRPC, or GraphQL; building security teams; securing distributed cloud systems; bug bounty or responsible disclosure work; or public security research, open-source projects, presentations, or AI security frameworks.

Benefits and work setup The listed U.S. base salary range is $240,000–$300,000, with starting pay dependent on location, skills, experience, market conditions, and internal pay alignment. Equity or other compensation may be included depending on the offer.