6 months ago
Hong Kong, Hong KongSenior / Staff+
Responsibilities
- Design and develop 24/7 high-scale APIs and distributed systems on AliCloud and AWS.
- Implement and support backend services for real-time fraud monitoring, event-stream ingestion, configurable fraud rules, A/B testing, and risk tooling.
- Develop unit tests, integration tests, and CI/CD scripts.
- Own, monitor, and improve services in production throughout their lifecycle.
- Develop and test high-quality product features across multiple product domains.
- Collaborate with engineering managers, architects, engineers, QA, frontend, and cross-functional teams on complex deliverables.
- Research and promote new technologies and tools while providing technical feedback and leadership.
- Address performance, fault-tolerance, security, and live production challenges.
Requirements
- At least five years of software development experience is required.
- Strong Java and JVM expertise is required, including configuration optimization, I/O, multithreading, concurrency frameworks, data structures, algorithms, and design patterns.
- Experience with Spring Boot, Spring MVC, MyBatis, Spring Cloud, or similar open-source application frameworks is required.
- Experience with MySQL, Oracle, databases, SQL optimization, transactions, locks, indexes, sharding, and leader/follower synchronization is required.
- Familiarity with middleware such as Kafka, ELK, and Hologres is required.
- Understanding of caching-system design principles and experience with Memcached and Redis are required.
- Strong understanding of distributed-system principles, including CAP, consistency, and idempotent operations, is required.
- Ability to drive cross-team solutions involving complex dependencies and requirements is required.
- Bilingual Mandarin and English proficiency is highly preferred.
- Blockchain and cryptocurrency expertise, FinTech, eCommerce, SaaS, AdTech, or digital wallet experience are nice to have.
- Experience launching products, working across time zones, and familiarity with product management processes and tools are nice to have.
Benefits
- Competitive total compensation package is offered, with no base salary amount stated.
- Learning and development programs and an education subsidy are available.
- Team-building programs and company events are provided.
- Wellness and meal allowances are provided.
- Comprehensive healthcare schemes cover employees and dependants.
- The role is based in Hong Kong, which is described as a group-level service hub.
About OKX
OKX builds a global cryptocurrency exchange and Web3 wallet used by retail and institutional traders for spot, derivatives, and DeFi access, with developer APIs. Its business model centers on trading and financing fees, plus wallet and on-chain services. Founded in 2017 and privately held, OKX publishes monthly proof-of-reserves and operates as part of the OKG group serving crypto markets worldwide.