About the job
Role overview
Trexquant is looking for a High-Frequency Trading System Engineer in New York, New York. The focus of this position is to build and enhance ultra-low-latency trading infrastructure. Working closely with quantitative researchers and fellow technologists, the engineer will drive ongoing system improvements and innovation.
What you will do
- Design and implement high-frequency, low-latency trading systems.
- Assess the current execution platform and lead a complete redesign.
- Increase system performance at both hardware and software layers, including optimizing CPU architecture, memory and cache usage, and network interfaces.
- Maintain a clean, well-tested, and thoroughly documented codebase.
Requirements
- Advanced C++ and Linux skills, with strong understanding of low-level memory management, concurrency, and performance tuning.
- Experience building ultra-low-latency, high-throughput systems, ideally in trading or real-time environments.
- Expertise with profiling tools and methods for latency measurement and performance benchmarking.
- Hands-on knowledge of network protocols such as TCP/UDP, multicast, Ethernet, and low-latency messaging frameworks.
- Strong analytical and problem-solving abilities.
Benefits
- Competitive base salary, with both guaranteed and performance-based bonuses linked to individual and company outcomes.
- Supportive, collaborative, and results-driven culture.
- PPO health, dental, and vision insurance for employees and dependents.
- Pre-tax commuter benefits.
- Additional company perks.
Location details
Applications are accepted for both the Stamford and New York City offices. The New York City location is expected to open in October 2026.
Compensation
Base salary ranges from $175,000 to $200,000, depending on education and experience. This is an overtime-exempt position.
Trexquant is an Equal Opportunity Employer.

