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Staff Mobile Security Engineer

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Staff Mobile Security Engineer in USA new

  • MrBeast
  • Full time
  • Email
  • Remote

Responsibilities

  • Own device attestation, session enforcement, and authentication hardening across native mobile clients and backend services.
  • Design and operate detection and enforcement systems defending against fraud rings, bot farms, credential stuffing, account takeover, and other adaptive abuse.
  • Define the multi-quarter security roadmap for account integrity and abuse defense.
  • Set technical direction, write production code, review designs, mentor engineers, and grow a team spanning mobile and backend.
  • Own an end-to-end security domain, including its roadmap, team, and outcomes.
  • Balance user trust, growth, risk, platform reliability, and cost discipline in security systems.

Requirements

  • 8 to 10+ years of security engineering experience, including deep experience defending consumer-scale mobile products against account takeover, bot abuse, and fraud.
  • Proven ownership of an end-to-end security domain beyond tooling, including roadmap, team, and measurable outcomes.
  • Experience building server-authoritative detection pipelines, attestation systems, or similar adversarial-facing infrastructure at scale.
  • Hands-on knowledge of native iOS and Android client internals and the distributed backend services they communicate with.
  • Comfort operating in Go or a similar language on a major cloud provider; AWS is preferred.
  • Experience leading engineers formally or as a technical lead across disciplines.
  • Experience with very large-scale mobile products, including hundreds of millions of users or sessions, is a plus.

Benefits

  • Competitive base salary of $205,000–$256,000, plus a 15% bonus and equity.
  • Medical coverage through Blue Cross Blue Shield, dental, vision, and company-paid life insurance.
  • Company contributions to Health Savings Accounts and a 401(k) plan with Safe Harbor 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.

Salary: $205k - $256k/yr

MrBeast

MrBeast (Beast Industries) is a media and entertainment company built around creator Jimmy Donaldson, producing large-scale YouTube videos and related digital content. The business spans advertising and sponsorships, and consumer products such as Feastables, supported by in-house studios with pet...

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