Senior C++ Market Data Engineer - Low-Latency Systems

Harrington Starr; Chicago (IL); Hybrid; USD 140,000 - 190,000; Full time

Job summary

Harrington Starr in Chicago is seeking a senior C++ developer to design and optimise market data ingestion and distribution systems. Join a leading proprietary trading firm and work with quantitative researchers and traders to deliver high-performance, low-latency infrastructure.

You will contribute to feed handlers, gateways, and exchange connectivity, build scalable services for research tools and simulations, and help push performance and reliability in distributed systems.

Qualifications

• 5+ years of commercial C++ development experience.
• Strong modern C++ (C++11/14/17 or newer).
• Experience with market data or exchange connectivity.
• Understanding of feed handlers, gateways or market data infrastructure.
• Strong Linux and networking knowledge.
• Experience with multithreaded, high-performance applications.
• Excellent problem-solving skills and distributed systems experience.
• Low latency trading systems and binary exchange protocols.
• TCP/UDP networking.
• Quantitative research infrastructure and trading systems or HFT experience.

Responsibilities

• Design and optimise systems for market data ingestion and distribution.
• Build scalable services supporting research tools and simulation environments.
• Work on performance-critical distributed systems with strict latency requirements.
• Collaborate with Quant Researchers, Traders and Engineers.
• Improve scalability, resilience and system performance.
• Contribute to the design of next-generation research infrastructure.

Skills

C++

Modern C++

Market Data

Linux

Networking

Multithreading

Low Latency

Trading Systems

HFT Experience

TCP/UDP

Job description

Harrington Starr in Chicago is seeking a senior C++ developer to design and optimise market data ingestion and distribution systems. Join a leading proprietary trading firm and work with quantitative researchers and traders to deliver high-performance, low-latency infrastructure.

You will contribute to feed handlers, gateways, and exchange connectivity, build scalable services for research tools and simulations, and help push performance and reliability in distributed systems.