Hybrid Low-Latency Developer chez Onyx Capital Group

Onyx Capital Group is a leading global market maker in commodity derivatives. We provide the world’s largest commodity traders with the liquidity they need to trade a broad range of products under any market conditions. 

We are creating a team of the brightest minds in trading, technology and finance to build the trading system of the future, striving for excellence in everything we do.

We’re seeking a highly skilled Low-Latency Developer to join our eTrading team. Primary responsibility will be to help implement a high-performance pricing container. This system will ingest real-time data, process it with ultra-low latency, and publish liquidity across multiple trading venues. 

Responsibilities 

• Develop pricing algorithms and normalization logic with nanosecond-level precision. 
• Optimize system performance using kernel bypass techniques (e.g., DPDK), CPU pinning, and efficient memory management. 
• Integrate with trading venues via FIX protocol and proprietary APIs. 
• Collaborate with infrastructure teams to deploy and maintain systems. 
• Ensure high availability and fault tolerance through redundant processing and networking. 
• Implement monitoring tools for real-time performance tracking and diagnostics. 
• Adhere to security and compliance standards for financial data handling. 

Requirements

• Strong proficiency in low latency C++, Rust, or Java for performance-critical applications. 
• Experience with DPDK, RDMA, or other kernel bypass/network acceleration techniques. 
• Deep understanding of multithreading, lock-free programming, and memory management.
• Familiarity with FIX protocol, market data APIs, and exchange connectivity. 
• Experience with Linux systems, especially in HFT or real-time environments. 
• Knowledge of containerization (Docker, Kubernetes) and CI/CD pipelines. 
• Experience working with collocated environments and ultra-low latency networks. 
• Understanding of NVMe storage, high-frequency trading-grade servers, and network redundancy. 
• Prior experience in financial services, especially in market-making, algo trading, or exchange connectivity.