Low-Latency Arbitrage Developer

Location: Shenzhen Office

About The Role

Build and speed up our blockchain cross-exchange arbitrage systems across CEXs and DEXs (Bybit, Hyperliquid etc). The goal is to be faster than competing arbitrageurs while keeping production stable.

Responsibilities

• Design the multi-venue HFT arbitrage platform: market data, order-book normalisation, opportunity detection, multi-leg execution and hedging
• Cut tick-to-trade latency to each venue through co-location, cloud-region placement, network/route optimisation and WebSocket/API tuning
• Speed up on-chain execution through self-hosted nodes, RPC and transaction propagation
• Profile and remove latency, jitter and throughput bottlenecks (network, kernel, serialisation, event loops)
• Handle partial fills, leg risk, rate limits and venue outages
• Build monitoring, kill switches and alerts

Requirements

• Blockchain trading-side experience: 2+ years building trading systems for a crypto HFT or trading firm (market maker, prop shop, arbitrage desk). Exchange-side or TradFi-only backgrounds are not suitable
• Network-level latency: hands-on co-location near exchange matching engines, network/route optimisation, NIC/socket tuning. Kernel bypass is a strong plus
• Measurable results: a proven record of reducing latency in live production, with numbers (µs/ms)
• Multi-exchange: built systems connected to multiple CEXs/DEXs at the same time
• C++ or Rust required. Python or Go is a plus
• Low-latency skills: CPU pinning, lock-free structures, ring buffers, async event loops
• Bachelor’s degree in CS, Engineering, Maths or a related field

Strongly Preferred

• Cross-exchange arbitrage experience (CEX-CEX / CEX-DEX)
• Self-hosted nodes (Hyperliquid, Solana, EVM) built to speed up execution
• Knowledge of perpetuals, funding, fees and rebates

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