(Senior) Staff Java Engineer, KYC, Compliance Platform

Who We Are

At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to crypto markets. We are safe and reliable, backed by our Proof of Reserves. Across our multiple offices globally, we are united by our core principles: We Before Me, Do the Right Thing, and Get Things Done. These shared values drive our culture, shape our processes, and foster a friendly, rewarding, and diverse environment for every OK-er. OKX is part of OKG, a group that brings the value of Blockchain to users around the world, through our leading products OKX, OKX Wallet, OKLink and more.

About the KYC Team

The KYC Team’s primary goal is to ensure that OKX operates in full accordance with global regulatory requirements while upholding the highest ethical standards, with a strong focus on robust Know Your Customer (KYC) practices. The team achieves this by developing advanced KYC service solutions, integrating with leading KYC providers for seamless identity verification and risk assessment, and supporting secure user onboarding to drive sustainable business growth—all while enhancing user trust in the platform. Our vision is to foster a culture of KYC excellence that integrates cutting-edge innovation with responsible KYC-driven practices, ensuring a safe and compliant ecosystem for our users.

What You’ll Be Doing:

• Formulate, select, and develop technical architectures and schemes for KYC projects, leveraging Java and related technologies to build secure, compliant systems for identity verification and risk mitigation.
• Facilitate effective cross-team communication, enhance collaboration efficiency through rigorous code quality controls, and promote best practices in secure software engineering.
• Take ownership of team tasks, mentor junior engineers, and cultivate technical talent within the KYC domain to foster innovation and expertise in regulatory compliance.
• Design and implement high-performance, scalable, and user-friendly services that integrate seamlessly with KYC providers and support robust user onboarding processes.
• Analyze and deliver tailored solutions to address diverse regulatory requirements across global markets, ensuring compliance with KYC standards while minimizing risks.
• Collaborate closely with Product, Design, and Marketing teams to drive rapid innovation in cross-functional environments, accelerating the development of secure and intuitive KYC features.

What We Look For In You:

• Bachelor's degree or above in Computer Science, Engineering, or a related field, with 5+ years of experience in microservices/API development using Java, Spring Boot, and Spring Cloud.
• Strong foundation in Java programming, including deep knowledge of JVM configuration optimization, IO operations, multi-threading, concurrency frameworks, common data structures, algorithms, and design patterns.
• Proficiency with mainstream open-source frameworks such as Spring Boot, Spring MVC, MyBatis, and Spring Cloud, along with a commitment to clean, maintainable code and best programming practices.
• Extensive experience with relational databases like MySQL and Oracle, including in-depth understanding of transactions, locks, indexes, SQL optimization, sharding (sub-database/sub-table), and leader/follower synchronization.
• Familiarity with common middleware and distributed system principles, including message queues (MQ), RPC, caching systems (e.g., Memcached, Redis), Kafka, ELK, CAP theorem, consistency models, and idempotent operations—enabling you to select and implement optimal solutions for scalable, secure KYC architectures.
• Clear logical thinking, quick problem-solving abilities, and strong communication skills to effectively articulate technical concepts and drive KYC project success.
• Fluency in English; knowledge of Mandarin is a plus.

Perks & Benefits

• Competitive total compensation package
• L&D programs and Education subsidy for employees' growth and development
• Various team building programs and company events
• Wellness and meal allowances
• Comprehensive healthcare schemes for employees and dependants
• More that we love to tell you along the process!

Please note that Hong Kong is a group-level service hub, and OKX does not carry on a business of operating a virtual asset trading platform in Hong Kong.