Client Security Expert/Architect

Requirements

• Bachelor's degree or above in Computer Science or a related field.
• Familiar with low-level Android and iOS system architecture, security mechanisms, and reverse engineering.
• Familiar with typical cheating/fraud techniques used by black/gray-market actors.
• Proficient in leveraging AI Agents for security workflows, including reverse engineering, vulnerability discovery, attack reconstruction, and log/data analysis, with hands-on experience integrating AI tools into daily security operations.
• Candidates with the following experience will be preferred:
• Client security experience in Web3/blockchain scenarios.
• Familiarity with browser-side security.
• Client Security Architect
• Job Description:
• Own the overall architecture design for client-side security, ensuring high availability, high performance, and scalability of the system.
• Design and optimize the backend data pipeline for security data collection, processing, and analysis, supporting various business scenarios.
• Incorporate AI Agent capabilities to design intelligent security strategy operations and automated countermeasure architecture, improving strategy iteration speed and incident response speed.
• Bachelor's degree or above in Computer Science or a related field; 3+ years of experience in backend development or architecture design.
• Strong backend architecture skills, with expertise in high-concurrency, high-availability distributed system design.
• Familiarity with the client security domain (e.g., device fingerprinting, environment detection, behavioral risk control), with the ability to understand endpoint-collected data and design corresponding backend processing solutions.
• Familiar with AI Agent technical principles and application paradigms, with practical experience integrating AI capabilities into security architecture design.
• Risk control system architecture (e.g., rule engines).
• Security backend experience in Web3/blockchain scenarios.
• Architecture experience in security data platforms or threat intelligence systems.
• Notice:
• All official OKX vacancies are published on this website. While roles may appear on selected third-party platforms from time to time, information on other sites may be inaccurate or outdated. If in doubt, please apply directly through our official careers website.
• Information collected and processed as part of the recruitment process of any job application you choose to submit is subject to OKX 's Candidate Privacy Notice .

Additional Information

Client Security Expert Job Description: Identify client-side security risks, propose solutions, and drive their implementation. Lead offensive and defensive exercises on mobile clients, and drive remediation of business-related risk issues. Analyze attack techniques used by black/gray-market actors, reconstruct attack mechanisms and details, and produce countermeasure plans. Design and build systematic client-side defense solutions to improve defensive effectiveness and mitigation efficiency.

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