Staff Mobile Security Engineer is open at MrBeast in San Mateo, CA. The posting gives a salary of $205K - $256K. Posted on Oct 13, 2026, and still on MrBeast’s careers page when we last checked, on Nov 15, 2026.
About the role
Beast Industries runs mobile experiences at serious scale — across media, mobile gaming, and creator platforms — all generating signals and requests from clients we don't fully trust by default. We're looking for a senior security engineer to own the boundary between our mobile clients and backend services: the systems that determine whether a request, a session, or an account is legitimate. You'll be the…
The opening lines of the posting. The rest is on MrBeast’s careers page.
Hiring at MrBeast
MrBeast has 88 open roles right now, 6 of them remote. Most are in Marketing & Community, Design and Engineering. The median advertised salary across its roles with a published range is $174K. See all its roles