Design, build, and harden security-critical systems: manage KMS and key management, protect PHI/PII, secure storage and tenant isolation, embed security in SDLC and CI/CD, lead threat modeling, and improve security scanning and compliance.

First dedicated QA hire responsible for test planning, building and maintaining automated test suites across a TypeScript+Python stack, integrating tests into CI/CD, running regression and performance tests, identifying and verifying bugs, improving observability, and documenting QA processes.