Head of Low-Latency Platform Engineering

Fionics; New York (NY); On-site; USD 260,000 - 380,000; Full time

Job summary

Fionics in New York, NY is seeking a Head of Platform Engineering to own the architecture and technical direction of its high-frequency trading systems. You will modernise the stack, lead the engineering team, and stay hands-on in production code.

You will work directly with traders and the founder on firm priorities, bringing deep expertise in low-latency C++ and end-to-end ownership of critical platforms.

Qualifications

• Deep hands-on expertise in low-latency C++ systems.
• Experience owning engineering systems end-to-end, not just a single lane.
• Background from an HFT or top-tier trading firm preferred.

Responsibilities

• Own the architecture and technical direction of the trading platform.
• Modernise and evolve an established low-latency C++ codebase.
• Lead and mentor the engineering team.

Skills

Low-latency C++

Leadership

End-to-end ownership

Job description

Fionics in New York, NY is seeking a Head of Platform Engineering to own the architecture and technical direction of its high-frequency trading systems. You will modernise the stack, lead the engineering team, and stay hands-on in production code.

You will work directly with traders and the founder on firm priorities, bringing deep expertise in low-latency C++ and end-to-end ownership of critical platforms.