Senior Software Engineer – Low Latency Trading / Core Java

Hudson IT and Manpower; Chicago (IL); Hybrid; USD 150,000 - 210,000; Full time

Job summary

Hudson IT and Manpower is seeking a Senior Core Java Engineer to join our team in Chicago on a hybrid schedule. You will work on low- or ultra-low-latency electronic trading systems, building high-performance backend components and tuning them for reliability in live markets.

The ideal candidate has deep Core Java expertise, hands-on experience with latency-sensitive trading workflows, multithreading, and network programming, and a track record of delivering production-grade trading software

Qualifications

• Must have actual low-latency trading development experience.
• Deep Core Java expertise is required.
• Strong understanding of market data, order books, and trading logic.
• Proven ability to optimize for low latency in production environments.
• Experience with multithreading and concurrency in performance-sensitive backends.

Skills

Core Java

Low-latency trading

Market data & trading logic

Multithreading

TCP/UDP networking

Production latency troubleshooting

Trading systems experience

Trading firm/bank/exchange experience

Job description

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
• Exchange connectivity
• Order routing
• 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
• Proven experience with production performance and latency troubleshooting
• Experience developing performance-sensitive backend trading systems

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