C++ Engineer (Market Data)

TL;DR

C++ Engineer (Market Data): Building and optimizing high-performance systems for global exchange connectivity with an accent on low-latency data ingestion and binary protocols. Focus on improving throughput, resilience of real-time data systems, and implementing exchange connectivity.

Location: London | Onsite (4 days per week)

Company

A leading quantitative research and trading firm operating at significant scale across global markets.

What you will do

• Build and maintain high-performance market data feed handlers in modern C++.
• Implement and optimize binary exchange protocols across multiple venues.
• Collaborate with trading and research teams to ensure timely and accurate data delivery.
• Improve latency, throughput, and resilience of real-time data systems.
• Contribute to exchange connectivity, colocation setups, and production stability.

Requirements

• Commercial experience in modern C++ (C++11/14/17+).
• Background working on market data feeds, exchange connectivity, or trading systems.
• Experience with low-latency systems in Linux environments.
• Understanding of networking concepts and binary protocols.
• Exposure to high-throughput, real-time distributed systems.
• Location: Must be based in London for onsite work 4 days per week

Nice to have

• Experience with Python.

Culture & Benefits

• Engineering-led culture with a focus on precision and long-term thinking.
• Opportunity to solve critical problems where performance and correctness are paramount.
• Close collaboration between engineers, quants, and traders.
• Work with systems operating at significant scale across global markets.