Staff Mobile Security Engineer

Beast Industries is a multifaceted media and entertainment company founded by Jimmy Donaldson popularly known as MrBeast the most watched person in the world. Renowned for revolutionizing digital content creation Beast Industries encompasses a diverse portfolio of ventures that extend far beyond its origins on YouTube. With a mission to entertain inspire and create significant social impact Beast Industries operates across various domains including digital media philanthropy consumer products and innovative business initiatives. At Beast Industries we believe in the transformative power of digital media and its potential to entertain educate and effect positive change. Our commitment to innovation creativity and philanthropy drives us to explore new frontiers create unforgettable experiences and build a legacy that inspires future generations.

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 dont fully trust by default. Were 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.

Youll be the threat-modeling and systems-design owner for device attestation account integrity and server-authoritative detection/enforcement against bad actors fraud rings bot farms credential stuffing and abuse at scale. This is a build-and-lead role: youll set technical direction write production code and grow a team around you.

What Youll Own

• Device & session integrity attestation session enforcement and authentication hardening across native mobile clients and the backends behind them
• Abuse & fraud defense design and run detection/enforcement systems that stay ahead of adversarial adaptive bad actors operating across our consumer and fintech surfaces
• Roadmap & strategy define the multi-quarter security roadmap for account integrity and abuse defense balancing user trust growth and risk
• Team leadership lead and grow a team of engineers spanning mobile and backend; set technical bar review designs mentor

What Were Looking For

• 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: youve 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 Role
Youd 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: $205000 $256000 base 15% bonus equity (Note: Compensation will vary based on seniority/level)

We are redefining what entertainment and storytelling look like at global scale. Every piece of content we publish reaches millions and influences culture in real time. This is your opportunity to lead the team that decides how those moments come to life across every screen.

• Competitive Salary
• Generous Medical (Blue Cross Blue Shield) Dental Vision and company-paid Life Insurance
• Company contributions to employee Health Savings Accounts (HSA)
• 401k Plan with Safe Harbor company-matching
• Flexible vacation policy and paid company holidays
• Company-provided technology package
• Relocation assistance where applicable including travel and company-provided housing for the first 90 days