Senior Application Security Engineer

Own application security at Prolific as a hands-on technical authority. Partner with product engineering, platform, data, and TechOps to identify and remediate vulnerabilities through code review, threat modeling, penetration testing, and security testing. Build and tune security tooling and automate secure development across the SDLC, including SAST/SCA/DAST and secret scanning in CI/CD. Report to the Head of Engineering/Platform.