The Role
Build and optimize low-latency, high-frequency cross-exchange arbitrage systems for centralized and decentralized blockchain exchanges. Responsibilities include market data handling, order execution, hedging, latency optimization, partial-fill and leg-risk management, outage handling, monitoring, kill switches, and risk limits. The role requires C++ or Rust, Linux performance tuning, lock-free programming, exchange APIs, order-book expertise, and preferably on-chain infrastructure and co-location experience.
Summary Generated by Built In
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
Skills Required
- 3+ years building HFT or arbitrage systems across multiple exchanges at a trading firm
- Proven production experience reducing latency with quantified results
- Proficiency in C++ or Rust
- 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 higher in Computer Science, Engineering, or Mathematics
- On-chain experience with RPC, transaction signing, Hyperliquid, or other DEX nodes
- Exchange co-location experience
- Python or Go experience
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The Company
What We Do
Mamoru is a leading global fintech solutions group. Our goal is to provide an all-rounded solution to facilitate easiest access to assets and products with our proprietary technology and global coverage. Our team is built from technology, market making and venture capital backgrounds.
