Senior Low-Latency Developer

Our client, a leading crypto market-making firm, is seeking a senior Low‑Latency Developer to join their high‑performance trading technology team in Hong Kong. This is a senior engineering role for developers with a deep track record in building ultra‑fast, highly optimized systems that operate under extreme throughput and microsecond-level latency requirements.

You will work closely with front office team to design, implement, and optimize mission‑critical trading components across global digital asset markets. The firm is open to candidates proficient in C++ or Rust-Rust can be learned on the job-but low‑latency engineering experience is absolutely essential.

The company welcomes world‑class talent globally and will provide full relocation support for exceptional candidates.

Responsibilities

• Architect, implement, and optimize ultra‑low‑latency trading systems and exchange connectivity components.

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• Enhance existing performance-critical modules across networking, market data, and execution pipelines.
• Profile and tune systems at the microsecond/nanosecond level across CPU, memory, and network layers.
• Collaborate with quants and traders to ensure trading infrastructure achieves peak performance.
• Lead technical decisions related to system architecture, hardware optimization, and scalability.
• Provide production support for latency-sensitive systems operating in global crypto markets.

• 10+ years of professional experience in low‑latency or performance-critical system development.

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• Strong expertise in C++ or Rust (Rust can be learned on the job).
• Proven experience with high-performance networking, concurrency, and lock‑free/zero‑GC designs.
• Deep understanding of system internals: CPU architecture, cache behavior, kernel bypass, NIC tuning, etc.
• Experience in trading, market making, or other real‑time systems is highly advantageous.
• Strong debugging, profiling, and optimization skills at both software and hardware levels.
• Open to global candidates - relocation to Hong Kong provided.