Client Security Expert/Architect

Join OKX as a Client Security Expert/Architect to identify and mitigate client-side security risks, and design robust security architectures leveraging AI technologies.

### Client Security Expert - 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. ### Client Security Architect - 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.

### Client Security Expert - 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 - 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. - Candidates with the following experience will be preferred: - 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.

OKX is a leading global cryptocurrency exchange founded in 2017, offering spot and derivatives trading, Web3 solutions, and a digital wallet. The platform supports over 300 cryptocurrencies and ranks fourth in daily trading volume, with recent expansion into tokenized securities trading in partnership with the NYSE parent company.