HFT Developer

The Company A high-performance proprietary trading firm operating across global digital asset markets. The business has been profitable since inception and runs a lean, engineering-led team focused on building and optimising low-latency trading systems. They operate with a flat structure, minimal bureaucracy, and a strong emphasis on technical excellence and ownership.

The Role You will join a small, highly technical team building and optimising real-time trading systems. This is a hands-on C++ role focused on: Real-time market data processing High-throughput, low-latency systems Trading infrastructure and execution pipelines Performance optimisation across distributed systems What You’ll Do Design and build high-performance C++ systems Optimise latency, throughput, and system efficiency Work on real-time data pipelines and execution logic Collaborate closely with engineers and trading teams Contribute to system architecture and scalability decisions What You’ll Need Strong C++ experience (modern C++ preferred) Low-latency or HFT exposure Experience working on performance-critical or real-time systems Strong understanding of: Concurrency / multithreading Memory management Data structures and algorithms Linux environment experience Strong problem-solving ability Nice to Have Trading / financial markets experience Python or scripting experience Distributed systems experience Why Join Work on real-time, production trading systems High ownership in a small, technical team Remote-first across Europe Fast-moving environment with direct impact on performance and outcomes Summary A strong opportunity for a C++ engineer looking to work on complex, performance-critical systems in a trading environment, with high ownership and direct impact. Contact Ciara Clarke at Harrington Starr for a confidential discussion on this role.