Senior Software Engineer – Low Latency Trading / Core Java

Job Summary

We are seeking a Senior Core Java Engineer with recent, hands-on experience developing low- or ultra-low-latency electronic trading systems. The ideal candidate will have a strong understanding of actual trading workflows and experience building performance-sensitive backend systems.

Location: Chicago, IL – Hybrid (2 days onsite required)
Type: Long-term Contract

Preferred Background

Candidates with experience in the following areas are highly preferred:

• Matching engines

• Order books

• Market data processing

• Exchange connectivity

• Order routing

• Trading gateways

• Other performance-sensitive backend trading systems

• Experience within trading firms, banks, or exchanges
  

Required Skills & Experience

• Strong expertise in Core Java

• Recent hands-on experience with low-latency or ultra-low-latency electronic trading

• Strong understanding of market data, order books, and trading logic

• Excellent knowledge of multithreading and concurrency

• Experience with TCP/UDP networking

• Strong Linux experience

• Proven experience with production performance and latency troubleshooting

• Experience developing performance-sensitive backend trading systems

Important Candidate Requirements

Candidates must have actual low-latency trading development experience. Financial-services experience alone is not sufficient.