C++ Engineer: Direct PnL Impact in Trading Systems

iO Associates; New York (NY); On-site; USD 400,000 - 900,000; Full time

Job summary

iO Associates seeks exceptional C++ Engineers to join a premier fund in NYC, Miami, or Chicago. You will work directly with PMs and researchers, building and optimizing infrastructure that has immediate impact on trading performance.

You’ll own critical components, write ultra-low-latency code, and help scale systems. If you crave ownership, speed, and a direct line between your code and PnL, this role is worth discussing.

Qualifications

• 4+ years of experience writing high-performance C++ in production environments.
• Proficient in modern C++ (C++17/20+) with template metaprogramming.
• Strong networking and distributed systems knowledge.
• Solid grounding in data structures and algorithms.

Responsibilities

• Write ultra low latency, high throughput C++ across trading systems.
• Build and optimize core infrastructure (market data, execution, connectivity).
• Partner closely with Portfolio Managers to implement new strategies.
• Evolve and scale existing systems into next-gen trading platforms.

Skills

C++

Low latency

Distributed systems

Data structures & algorithms

Template metaprogramming

Networking

Job description

iO Associates seeks exceptional C++ Engineers to join a premier fund in NYC, Miami, or Chicago. You will work directly with PMs and researchers, building and optimizing infrastructure that has immediate impact on trading performance.

You’ll own critical components, write ultra-low-latency code, and help scale systems. If you crave ownership, speed, and a direct line between your code and PnL, this role is worth discussing.