CareerPlan

Low-Latency C++ Engineer- Quant Trading / HFT

London, England, GBFull-time£200k–£600k2026-10-08 → 2026-11-10

Core

Designing and optimizing high-performance C++ trading systems for real-time market data, execution, and risk management in quantitative trading and HFT environments.

Role type

Senior IC low-latency C++ engineer

Builds

Production trading infrastructure including market data feeds, exchange connectivity, order books, and execution systems

Domain

Financial services / Quantitative Trading / High-Frequency Trading

Required skills

Modern C++, concurrency, memory management, Linux/systems programming, CPU/cache/memory optimization, profiling, network programming

Preferred skills

Trading experience, understanding of hardware-level performance

Technologies

C++, Linux, modern CPU architecture

Responsibilities

Design high-performance C++ trading systems, optimize critical paths for latency and throughput, implement multithreading and lock-free programming, profile and eliminate jitter and tail latency, take ownership of live production systems