Senior C++ Systems Lead for Low-Latency Trading

Fionics; New York (NY); On-site; USD 200,000 - 350,000; Full time

Job summary

Fionics, a crypto-native market maker, is seeking a senior C++ engineer to anchor and lead the core systems group in New York. You will shape the architecture, set technical standards, and mentor the team while contributing code daily.

The role demands 7–12+ years in C++ at a tier-1 HFT or prop shop, deep low-latency experience, and the ability to drive high-performance infrastructure across dozens of venues.

Qualifications

• 7 to 12+ years in C++ from a tier-1 HFT or prop firm
• Deep low-latency core systems experience
• Someone who leads and mentors while still in the code every day

Responsibilities

• Anchor and lead the core systems group in New York
• Set technical standards for the group and drive architecture decisions
• Mentor teammates while contributing hands-on code

Skills

C++

Low-latency

Leadership

Job description

Fionics, a crypto-native market maker, is seeking a senior C++ engineer to anchor and lead the core systems group in New York. You will shape the architecture, set technical standards, and mentor the team while contributing code daily.

The role demands 7–12+ years in C++ at a tier-1 HFT or prop shop, deep low-latency experience, and the ability to drive high-performance infrastructure across dozens of venues.