Who We Are

At OKX, we believe our future is reshaped with technology. Founded in 2017, OKX is one of the world’s leading cryptocurrency spot and derivatives exchanges. OKX innovatively adopted blockchain technology to reshape the financial ecosystem by offering some of the most diverse and sophisticated products, solutions, and trading tools on the market. Trusted by more than 20 million users in over 180 regions globally, OKX strives to provide an engaging platform that empowers every individual to explore the world of crypto. In addition to its world-class DeFi exchange, OKX serves its users with OKX Insights, a research arm that is at the cutting edge of the latest trends in the cryptocurrency industry. With its extensive range of crypto products and services, and unwavering commitment to innovation, OKX vision is a world of financial access backed by blockchain and the power of decentralized finance.
We invest in our people as much as we invest in technology. We are united by our engaging culture, here we win as a team, embrace changes, and do the right thing. We are committed to creating a friendly, rewarding and diverse environment for OKers. It doesn’t matter where you come from, here everyone feels valued, respected and has the same opportunities to develop and thrive — we want to bring out the best in you.

About the Opportunity

We are currently seeking a technical expert to join our Client Security Team. The team is dedicated to safeguarding client applications from various security threats, ensuring a secure and reliable user experience. As a Client Security Technical Expert, you will be responsible for developing client security SDKs, verifying client hardening effectiveness, conducting anti-cybercrime operations, and performing component security testing. We are looking for professionals with expertise in client reverse engineering, anti-cybercrime tactics, and client software development to strengthen our security measures and ensure the safety of our client applications amidst increasingly complex security threats.


What You’ll Be Doing:
  • Develop client security SDKs to provide comprehensive security protection, ensuring client applications are safeguarded against malicious attacks and data breaches.
  • Verify client hardening effectiveness through security testing and vulnerability analysis, ensuring the reliability and efficacy of hardening measures.
  • Conduct anti-cybercrime operations, deepening understanding of cybercrime ecosystems, monitoring and thwarting hacker attacks to protect client application security.
  • Perform component security testing, assessing and analyzing the security of various components used in client applications, and promptly remediate and harden any identified security risks.


What We Look For In You: 

  • Proficient in client reverse engineering, with extensive experience in decompilation and reverse engineering techniques.
  • Demonstrated understanding of cybercrime ecosystems, familiarity with hacker attack methods, and effective anti-cybercrime skills.
  • Experience in client software development, familiarity with common client development languages and frameworks such as Java, Objective-C, Swift, etc.
  • Excellent problem-solving skills and a collaborative team spirit, able to work closely with cross-functional teams to address security challenges together.
  • Strong communication and organizational skills, able to articulate technical viewpoints and proposals clearly and drive the progress of security work effectively.

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