Staff Software Engineer, Mobile Security

OKX
Singapore
Full timeFunction: Software EngineeringExperience: 5+ yearsSkills: ["Analytical problem-solving","Verbal communication","Written communication"]

Own security for OKX’s iOS and Android ecosystem by identifying and mitigating vulnerabilities across mobile code, systems, and networks. You’ll manage security tooling and alerts, validate and triage bug bounty reports, and produce detailed findings for technical and management audiences. Collaborate with development, operations, and compliance teams to champion secure coding practices, apply AI-assisted workflows to accelerate detection and analysis, and participate in incident response.

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FursaFursa
OKX
OKX
2 days ago

Staff Software Engineer, Mobile Security

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 13 hours agoStatus: Live

Job Summary

Own security for OKX’s iOS and Android ecosystem by identifying and mitigating vulnerabilities across mobile code, systems, and networks. You’ll manage security tooling and alerts, validate and triage bug bounty reports, and produce detailed findings for technical and management audiences. Collaborate with development, operations, and compliance teams to champion secure coding practices, apply AI-assisted workflows to accelerate detection and analysis, and participate in incident response.
Location: Singapore
Employment Type: Full time
Job Function: Software Engineering

Key Responsibilities

  • •Identify and mitigate security vulnerabilities in mobile code, systems, and networks using manual review, automated tooling, and threat modelling.
  • •Manage and optimize application security tools, processes, and alerts to maintain a strong security posture.
  • •Validate and respond to bug bounty submissions, triaging findings and coordinating remediation with engineering teams.
  • •Produce detailed security findings reports and present them to technical and management audiences to prevent real-world attacks.
  • •Collaborate with development teams to implement secure coding practices across iOS and Android; apply AI tools to accelerate research and vulnerability detection workflows.

Pay and Benefits

Perks:Learning BudgetHealth InsuranceMeal AllowanceWellness Stipend

Key Requirements

  • •5+ years of experience in mobile application security or offensive security with hands-on iOS and/or Android expertise.
  • •Strong understanding of security risks, vulnerabilities, and concepts for mobile and web applications.
  • •Proficient code review across Kotlin, Swift, TypeScript, or JavaScript with application security threat awareness.
  • •Ability to create PoCs, review patch code for standards, and coordinate remediation with engineering teams.
  • •Active use of AI tools in security engineering workflows, including building repeatable AI-leveraged workflows for reliable production work.
Experience:5+ yearsMobile application securityOffensive securityIOSAndroidBug bountyThreat modellingReverse engineering
Skills:Analytical problem-solvingVerbal communicationWritten communication
Tech Stack:IOSAndroidKotlinSwiftTypeScriptJavaScriptClaude CodeCodexAI-assisted developmentARM assembly

Company Brief

OKX
Global cryptocurrency exchange and Web3 technology provider offering spot and derivatives trading, custody, wallet services, and blockchain infrastructure to retail and institutional users worldwide.
Industry: Trading Platforms
Company Size: Enterprise (1,001+ employees)
Growth: Established Company
Headquarters: Victoria, Seychelles
Founded: 2017
WebsiteLinkedIn