Senior C++ Software Engineer - Ultra Low Latency Trading

We are partnering with a leading technology‑driven market‑making firm that builds some of the fastest and most sophisticated trading systems in the world. Their engineering culture is deeply centred around modern C++, low‑latency performance, and large‑scale distributed system design.

You'll join a small, high‑impact engineering team responsible for real‑time systems that process billions of market events per day, where every nanosecond counts and your C++ expertise has immediate, measurable impact.

What you'll do

• Build and optimise ultra‑low‑latency trading systems in C++
• Design, develop, test, and deploy high‑quality C++ applications used directly in live trading
• Collaborate closely with traders and researchers to deliver custom, high‑performance solutions
• Tackle complex systems‑level engineering problems involving concurrency, networking, and data throughput
• Enhance performance, scalability, and reliability across globally distributed infrastructure

What we're looking for

• 5+ years of professional software engineering experience
• Deep experience with modern C++ (C++14/17/20)
• Strong understanding of multithreaded and low‑latency system design
• Experience building high‑performance or distributed systems in C++
• Passion for solving open‑ended systems problems and optimising code paths
• Ability to work independently and prioritise impactful engineering work
• Strong communication skills and a collaborative mindset

Why this firm stands out

• One of the world's most advanced real‑time trading infrastructures
• Heavy investment in cutting‑edge hardware, networking, and C++ performance engineering
• Engineering‑first culture with extremely high talent density
• High ownership, fast decision‑making, and immediate impact
• Compensation model built to reward top‑tier engineering performance