Senior C++ Engineer - Low-Latency Trading Systems

About the Role

Chainsage is seeking a Senior C++ Engineer - Low-Latency Trading Systems to join our fully remote team. As a senior C++ engineer, you will play a crucial role in shaping the execution architecture of our trading systems, where microseconds matter and decisions directly impact profitability. This position offers the opportunity to work in a dynamic environment focused on quantitative trading and AI-driven systems.

What You'll Do

• Own and evolve the architecture and behavior of the core execution layer of our trading systems.
• Define and implement high-level execution logic, including quoting behavior and order lifecycle policies.
• Set performance strategies for the execution stack, focusing on latency budgets and correctness guarantees.
• Profile and optimize systems under real market load, addressing tail latency and stability under stress.
• Collaborate closely with traders and quantitative researchers to iterate on execution behavior based on live trading feedback.
• Guide and review the work of other engineers, ensuring alignment with architectural goals.

Requirements

• 5+ years of senior or staff-level software engineering experience, with deep exposure to modern C++ (C++17/20).
• Experience in low-latency or real-time systems, particularly in high-frequency trading (HFT) or market making.
• Proficiency in building and profiling high-throughput, low-latency systems on Linux.
• Hands-on experience with multithreading, lock-free designs, and network programming.
• Familiarity with Linux performance tuning and reasoning about runtime behavior.
• Experience in crypto is a plus, along with familiarity with exchange mechanics.
• Self-directed and comfortable operating with minimal process.
• Located between GMT-5 and GMT+3 time zones.

Nice to Have

• Experience in crypto trading environments.
• Familiarity with order book dynamics.

What We Offer

• Ownership of the most PnL-sensitive layer of the trading system.
• Tight feedback loop between execution decisions and live trading results.
• Base compensation plus meaningful profit sharing and pre-funding equity.
• Periodic in-person research and development sprints.
• Visa sponsorship in various jurisdictions, including the US (H-1B) and the UK/EU.