Senior Application Security Engineer

Join the Security Engineering team as a hands-on Senior Application Security Engineer, embedded across product and engineering to keep Monarch’s application layer secure. You’ll lead application security reviews (threat modeling, code review, risk assessment), run and improve SAST/DAST and vulnerability management in CI/CD, and coordinate penetration testing for web and API surfaces. The role also advances AI/LLM security review processes and builds security automations and tooling while participating in an on-call rotation.