Senior/Staff Engineer, Liquidity Platform, Trading Service
OKXHong Kong, Hong Kong · Posted 5 months agoDescription
Who We Are
Key Responsibilities
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Design and optimize high throughput order execution systems with sub-millisecond latency targets
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Build real time market data pipelines aggregating order books and price feeds from multiple exchanges
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Implement position tracking with exchange reconciliation, risk limits, and multi account support
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Develop exchange connectivity using FIX 5.0+, WebSocket, and HTTP/2 protocols
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Profile and eliminate latency hotspots using garbage free coding and lock free concurrency
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Implement pre-trade risk controls, circuit breakers, and rate limiters
Qualifications
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Solid STEM (Science/Technology/Engineering/Mathematics) education background.
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5-8 years software development experience, preferably in trading/oms/latency sensitive systems
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Strong Java 17+ proficiency with understanding of JVM internals and GC behavior
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Hands-on experience with FIX 5.0+, WebSocket, and HTTP/2 protocols
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Solid multi-threaded programming and concurrent systems knowledge
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Understanding of order lifecycle and market microstructure basics
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Strong problem solving skills and attention to detail
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Excellent communication and collaboration skills
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Ability to work independently and as part of a team in a fast paced environment
Preferred Skills
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Cryptocurrency/Digital Assets: Crypto exchange APIs, DeFi, blockchain trading
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Execution Algorithms: TWAP, VWAP, iceberg, sniper, or other smart order routing strategies
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IPC Technologies: Aeron, Chronicle Queue, shared memory messaging
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Proficiency or strong interest in Rust for performance critical systems development
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Low latency libraries: Agrona Collections, Protocol Buffers, SBE for high performance serialization
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Spring Framework, Netty, Vert.x
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Timeseries databases (e.g InfluxDB)
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Redis, etcd for caching and coordination
Technical Environment
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 allowance
- 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.
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