Staff Application Security Engineer (AI)

TL;DR

Staff Application Security Engineer (AI): Defining technical direction, security frameworks, and architectural patterns for application security at scale with an accent on securing agentic tooling and AI-powered product features. Focus on building security observability tools, leading complex threat modeling for multi-team systems, and driving adoption of secure-by-default solutions across the organization.

Location: Must be based in or able to commute to Boston or New York (Hybrid)

Salary: $234,000 – $300,000 USD

Company

hirify.global is a global SaaS platform for cloud-scale infrastructure monitoring, security, and analytics, built by engineers for engineers.

What you will do

• Define and drive security standards and secure-by-default solutions as the application security subject matter expert.
• Develop security tooling and automation that scales across engineering teams to provide actionable observability.
• Lead threat modeling and risk assessment for high-risk platform features and infrastructure changes.
• Establish security strategies for AI-powered features and agentic development practices in production.
• Partner with engineering leadership to prioritize remediation of systemic security risks and conduct code reviews.
• Mentor AppSec engineers and serve as the primary technical point of contact for complex cross-domain security problems.

Requirements

• Strong software engineering background with hands-on experience in Go, Python, or Rust.
• Deep expertise in OWASP Top 10, web vulnerabilities, SAST, and DAST.
• Proven track record of leading threat modeling on complex, multi-team systems.
• Solid understanding of API security, authentication, and authorization patterns.
• Ability to translate business risk into security investment priorities for executive audiences.
• Experience with software supply chain security and building secure-by-default frameworks.

Culture & Benefits

• Comprehensive healthcare, dental, and parental planning benefits.
• 401(k) plan with company matching.
• New hire stock equity (RSUs) and employee stock purchase plan (ESPP).
• Global mental health benefits for employees and their dependents.
• Support for professional development, internal mentor programs, and community guilds.
• Paid time off and fitness reimbursements.