Low-Latency Systems Engineer for Quant Trading

Thurn Partners; New York (NY); On-site; USD 180,000 - 240,000; Full time

Job summary

Thurn Partners, a compact quantitative trading firm with offices in New York and London, is building the next generation of its order router. The role targets low-latency C++ development across pricing legs and exchange-frontier tech.

You will push memory and cache efficiency, implement kernel bypass networking, and work on tight hot paths to maintain single-digit millisecond responses.

Qualifications

• Real depth in modern C++ (17/20) and low-latency thinking.
• Low-level systems experience, including kernel bypass networking and custom binary protocols.
• CS or EE background from a strong institution; high CS fundamentals.
• Candidates from adjacent low-latency domains are of interest.
• Quant finance experience is a nice-to-have.

Responsibilities

• Help build the next generation of the order router, focusing on cross-leg pricing logic.
• Work on exchange-native protocols, gap detection and recovery, and lock-free hot paths.
• Optimize for low-latency execution and memory efficiency in hot code paths.
• Collaborate with quant researchers and infrastructure teams to improve trading edge.

Skills

Modern C++ (C++17/20)

Low-latency systems

Memory/cache/concurrency

Education

CS or EE degree

Tools

Kernel bypass networking

Custom binary protocols

Job description

Thurn Partners, a compact quantitative trading firm with offices in New York and London, is building the next generation of its order router. The role targets low-latency C++ development across pricing legs and exchange-frontier tech.

You will push memory and cache efficiency, implement kernel bypass networking, and work on tight hot paths to maintain single-digit millisecond responses.