Senior Application Security Engineer

Senior Security Engineer Reports To: Sr. Director of IT & Security Locations hiring from: Alabama,Arizona, Arkansas, California, Colorado, Delaware, Florida, Georgia, Idaho, Illinois, Indiana, Kansas, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Nevada, New Hampshire, New Jersey, New York, North Carolina, Ohio, Oregon, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Utah, Vermont, Virginia, and Wisconsin. Employment Type: Full-time Role Overview: As Oshi Health 's first dedicated Senior Security Engineer, you will own the technical security of our fully remote, SaaSand cloud-native healthcare platform, protecting the sensitive health data of real people working to take back control from chronic GI conditions. This is a hands-on, builder-focused role, not a policy desk: you will set security architecture standards, harden identity and secrets management, and build security into our engineering and AI workflows from the start. It is a uniquely forward-looking opportunity to shape how a growing healthcare platform stays safe as it adopts agentic AI development, with your fingerprints on the foundation. What You'll Do — Key Responsibilities Own application and product security, including threat modeling, secure design review, and secure code review, with a focus on the access-control and secrets-exposure flaws that matter most for a member-facing healthcare app and its APIs. Design and own the security architecture for Oshi's shift t