Staff Software Engineer, Mobile Security
Core
Identify and mitigate security vulnerabilities across OKX's mobile applications and platforms, embedding security at every layer of the mobile stack.
Role type
Staff Mobile Security Engineer
Builds
Secure mobile applications (iOS/Android) and platform protection for a crypto exchange and wallet provider
Domain
Cryptocurrency / Mobile Application Security
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Mobile application security, offensive security, secure coding practices, iOS development, Android development, code review (Kotlin, Swift, TypeScript, JavaScript), threat modelling, incident response, AI-assisted development workflows
Preferred skills
Mobile security SDK development at scale, business risk control, reverse engineering, ARM assembly, device fingerprint recognition
Technologies
iOS, Android, Kotlin, Swift, TypeScript, JavaScript, AI tools (Claude Code, Codex)
Responsibilities
Identify and address security vulnerabilities in mobile code, systems, and networks; Manage and optimise application security tools and processes; Validate and respond to Bug Bounty submissions; Produce detailed security findings reports; Collaborate with development teams to implement secure coding practices; Apply AI tools to accelerate security research and automate workflows; Participate in incident response and management activities
Seniority
Staff, high-ownership IC