full-time
Senior/Staff Engineer, Liquidity Platform, Trading Service
OKX
- Employer
- OKX
- Location
- Hong Kong
- Working pattern
- on-site
About the role
Design and optimize high-throughput, sub-millisecond order execution systems, real-time market data pipelines, and exchange connectivity using FIX, WebSocket, and HTTP/2. Build position tracking, exchange reconciliation, risk controls, and latency optimizations using garbage-free coding and lock-free concurrency. Requires a STEM education background and 5–8 years of software development experience, preferably in trading, order management, or latency-sensitive systems. Candidates should have strong Java 17+ and JVM knowledge, experience with FIX, WebSocket, and HTTP/2, and solid multithreading, concurrency, order lifecycle, and market microstructure knowledge.