C++ Software Engineer

Fintal Partners; Chicago (IL); On-site; USD 150,000 - 230,000; Full time

Job summary

Fintal Partners is seeking engineers to design and optimize low-latency infrastructure for market data and order execution. You will build fault-tolerant, real-time systems and work closely with traders and researchers to push performance in latency-critical paths.

The role focuses on modern C++ development, strong systems fundamentals in Linux and networking, and experience with distributed architectures is a plus. Chicago-based, on-site collaboration with a high-performance trading team.

Qualifications

• Proficient in modern C++ for performance-sensitive environments.
• Strong Linux, networking, and CPU/memory fundamentals.
• Experience with low-latency or distributed systems is a plus.

Responsibilities

• Design and optimize low-latency infrastructure for market data and order execution.
• Build fault-tolerant, real-time systems operating at scale.
• Profile and improve performance across latency-critical code paths.
• Work closely with traders and researchers on production systems.

Skills

Modern C++

Linux

Networking

Low-latency systems

Distributed systems

Job description

Our client a leading quantitative trading firm that is continuing to invest heavily in its engineering organization, specifically across its low-latency trading infrastructure.

This team is focused on building and optimizing the core systems that power real-time trading across global markets, with a strong emphasis on performance, scalability, and reliability. Engineers work closely with traders and researchers to develop highly efficient, fault-tolerant systems that operate at significant scale, where even small improvements in latency or throughput can have meaningful impact.

What you’ll do:

• Design and optimize low-latency infrastructure for market data and order execution
• Build fault-tolerant, real-time systems operating at scale
• Profile and improve performance across latency-critical code paths
• Work closely with traders and researchers on production systems

Looking for:

• Strong experience with modern C++ in performance-sensitive environments
• Solid systems fundamentals (Linux, networking, CPU/memory)
• Experience with low-latency or distributed systems is a plus
• High ownership and strong problem-solving ability