Senior Staff Security Engineer, Mobile Security (Digital Trust)

Location: Seoul, South Korea

Company

hirify.global is a large global public e-commerce company building consumer, seller, rider, and logistics services for South Korean commerce.

What you will do

• Establish and lead mobile security across iOS and Android applications.
• Map mobile threats, attack paths, systemic control gaps, and long-term security priorities.
• Define security standards covering application integrity, device trust, authentication, credential protection, local data, WebViews, deep links, and third-party SDKs.
• Build and operate an evidence-based mobile security assessment and review program.
• Drive platform-level security solutions, automation, self-service, and measurement of residual risk.
• Influence senior engineering leaders and eventually help build and manage a specialist mobile security team.

Requirements

• Deep hands-on mobile security expertise across both iOS and Android.
• 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 running a mobile security assessment or review program.
• Strong software engineering background, including production mobile development or mobile security tooling.
• Experience with product security architecture, threat modelling, systemic risk analysis, and reusable platform controls at scale.
• Proven ability to influence senior engineers and engineering leaders across organizational boundaries.

Nice to have

• Experience in a large-scale consumer technology environment.
• Prior people management experience.

Culture & Benefits

• Full-time regular employment with a 12-week probation period, which may be skipped, shortened, or extended when necessary.
• Startup-style entrepreneurial environment backed by the resources of a large global public company.
• Opportunity to drive security initiatives across multiple engineering organizations.

Hiring process

• Application review, phone interview, onsite or virtual onsite interview, and offer.
• The process and schedule may vary depending on the role and circumstances.