Low-Latency Developer – Cross-Exchange Arbitrage (CEX/DEX)

Location: Shenzhen About the role We are a global proprietary trading firm hiring a quant developer to build and optimise low-latency, cross-exchange arbitrage systems for Blockchain trading across CEXs and DEXs (Bybit, Hyperliquid etc).

Responsibilities

Design and build a high-frequency (HFT) arbitrage system across multiple exchanges. Reduce tick-to-trade latency through co-location, network tuning, API/WebSocket optimisation and self-hosted nodes. Build market data handlers, order execution and hedging logic. Handle partial fills, leg risk, rate limits and exchange outages.

Monitor latency and fill quality, and build kill switches and risk limits.

Requirements

3+ years building HFT or arbitrage systems across multiple exchanges at a trading firm. Proven latency reduction in live production, with numbers. C++ or Rust required. Python or Go a plus. Skills in lock-free programming, CPU pinning, kernel bypass and Linux performance tuning. Knowledge of REST, WebSocket and FIX APIs, order books and perpetual futures.

Bachelor’s degree or above in Computer Science, Engineering or Mathematics. Strongly preferred On-chain experience: RPC, transaction signing, Hyperliquid or other DEX nodes. Exchange co-location experience