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.
Skills Required
- Strong expertise in Core Java
- Recent hands-on experience developing low-latency or ultra-low-latency electronic trading systems
- 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 troubleshooting production performance and latency issues
- Experience developing performance-sensitive backend trading systems
- Experience with matching engines, order books, market data processing, exchange connectivity, order routing, trading gateways, or similar systems
- Experience within trading firms, banks, or exchanges
What We Do
Hudson Information Technology and Manpower Services, part of The Hudson Group, is a global workforce solutions and software services partner founded in 2019. The company combines HudsonIT Consultancy Ltd, which provides enterprise software and technology consulting, with Hudson Manpower Inc, which specializes in comprehensive technical recruitment across various sectors, including Oil & Gas, IT, and Hospitality.
