Senior Mobile Security Engineer - Trust & Abuse Defense

Mrbeast; United States; Remote; USD 205,000 - 256,000; Full time

Benefits offered by this job

Medical insurance

HSA contributions

401k plan

Flexible vacation

Tech package

Relocation assistance

Job summary

Beast Industries is a leading media and entertainment company known for its global reach and innovative digital experiences. We are seeking a senior security engineer to own the boundary between mobile clients and backend services, focusing on device attestation, account integrity, and scalable fraud defense.

You will define the security roadmap, lead a team of engineers across mobile and backend, and contribute hands-on production code to safeguard hundreds of millions of users.

Qualifications

• 8–10+ years in security engineering defending consumer-scale mobile products against account takeover, bot abuse, and fraud.
• End-to-end ownership of security domain: roadmap, team, and outcomes.
• Hands-on across native mobile (iOS/Android) and distributed backend services, with trust boundary expertise.

Responsibilities

• Device & session integrity — attestation, session enforcement, and authentication hardening across mobile clients and backends.
• Abuse & fraud defense — design and operate detection and enforcement systems against adversarial actors.
• Roadmap & strategy — define multi-quarter security roadmap balancing user trust, growth, and risk.
• Team leadership — grow a team of engineers, set technical bar, review designs, and mentor.

Skills

Security engineering

Threat modelling

System design

Team leadership

Mobile security

Fraud detection

Account integrity

Device attestation

Tools

Go

AWS

Job description

Beast Industries is a leading media and entertainment company known for its global reach and innovative digital experiences. We are seeking a senior security engineer to own the boundary between mobile clients and backend services, focusing on device attestation, account integrity, and scalable fraud defense.

You will define the security roadmap, lead a team of engineers across mobile and backend, and contribute hands-on production code to safeguard hundreds of millions of users.