Senior Security Engineer, Application Security

You will design and implement systems that embed security into development practices across the organization. You will review system designs, contribute to threat models, and guide secure implementation for product and platform teams. You will also build and improve security guardrails that give engineers clear patterns for developing secure services. This role offers the opportunity to shape practical application security programs while contributing hands-on technical work.

Responsibilities

• Design and build systems that help engineers identify and address security risks earlier in the development lifecycle
• Partner with product and engineering teams to review system designs, conduct threat modeling, and guide secure implementation
• Develop and maintain security guardrails, including shared libraries, frameworks, and automated checks used in production systems
• Contribute to programs such as AI security governance and automated secure design reviews
• Improve adoption of secure development patterns by providing clear guidance, documentation, and reusable tools

Requirements

• You have 5+ years of experience in application security, product security, software security, or a related field
• You have experience identifying and addressing security risks earlier in the software development lifecycle
• You have experience building production-grade systems in Python, Go, or a comparable programming language
• You are comfortable partnering with engineering teams to review designs, explain risks, and recommend practical mitigations
• You have experience working in environments that prioritize reliability, incident response, and secure software delivery

Benefits

• Challenging, high-impact work to grow your career
• Performance-driven compensation with multipliers for outsized impact, bonus programs, equity ownership, and 401(k) matching
• Best-in-class benefits to fuel your work, including 100% paid health insurance for employees with 90% coverage for dependents
• Lifestyle wallet — a highly flexible benefits spending account for wellness, learning, and more
• Employer-paid life & disability insurance, fertility benefits, and mental health benefits
• Time off to recharge including company holidays, paid time off, sick time, parental leave, and more
• Exceptional office experience with catered meals, events, and comfortable workspaces