MrBeast - Staff Mobile Security Engineer

• 8 to 10+ years in security engineering, with deep experience defending consumer-scale mobile products (hundreds of millions of users/sessions a plus) against account takeover, bot abuse, and fraud • Proven ownership of an end-to-end security domain — not just tooling, but the roadmap, the team, and the outcomes • Strong systems design instincts: you've built server-authoritative detection pipelines, attestation systems, or similar adversarial-facing infrastructure at scale • Hands-on across native mobile (iOS/Android) client internals and the distributed backend services they talk to — you understand both sides of the trust boundary • Comfortable operating in Go (or similar) on a major cloud provider (AWS preferred); platform reliability and cost discipline are part of how you think about security, not an afterthought • Experience leading engineers (formally or as a tech lead) across disciplines • Why This RoleYou'd be one of the first dedicated owners of this space at Beast Industries, with the scope to define how we think about trust, abuse, and integrity across media, fintech, and creator products that reach an enormous, highly engaged audience — and the latitude to build the team and systems from a position of real technical ownership. • Compensation: $205,000 –$256,000 base + 15% bonus + equity (Note: Compensation will vary based on seniority/level)