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Senior Staff Security Engineer

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Senior Staff Security Engineer in Others

  • Coupang
  • Full time
  • Email
  • Seoul, Korea

Responsibilities

  • Build and maintain a comprehensive view of mobile threats, attack paths, and systemic control gaps across the company’s mobile applications.
  • Define mobile security strategy, target posture, priorities, roadmap, and practical iOS and Android security standards.
  • Establish and run an evidence-based mobile application security assessment and review program, including methodology, prioritization, acceptance criteria, escalation, automation, and measurement.
  • Identify recurring weaknesses and drive reusable platform-level security solutions rather than repeated application-specific fixes.
  • Provide technical judgment on complex vulnerabilities, incidents, and architectural decisions.
  • Influence senior engineering leaders and drive security improvements across organizational boundaries without relying on formal authority.
  • Establish the mobile security operating model and help build and manage a specialist mobile security team over time.

Requirements

  • Deep hands-on mobile security expertise across both iOS and Android, ideally in a large-scale consumer technology environment.
  • Practical experience with mobile application security, reverse engineering, app integrity, device trust, authentication, secure storage, IPC, WebViews, deep links, networking, and abuse resistance.
  • Experience building or operating a mobile security assessment or review program rather than only conducting individual reviews.
  • Strong software engineering experience, ideally including production mobile development or mobile security tooling.
  • Ability to identify systemic issues across multiple applications and translate them into reusable platform controls, standards, or engineering frameworks.
  • Experience with product security architecture and threat modeling at significant scale.
  • Demonstrated ability to influence senior engineers and engineering leaders and drive changes in engineering practice.
  • Prior people management is useful but not required; strong technical leadership and potential to grow into management are emphasized.

Benefits

  • Full-time regular employment.
  • Includes a 12-week probation period, which may be skipped, shortened, or extended for business purposes.
  • Recruitment may include application review, phone interview, and onsite or virtual onsite interview.

Coupang

Coupang is a technology and Fortune 150 company listed on the New York Stock Exchange (NYSE: CPNG) that provides retail, restaurant delivery, video streaming, and fintech services to customers around the world under brands that include Coupang, Eats, Play, Rocket Now, and Farfetch.

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