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# C++ Developer - FX Front Office Engineering

- **Company:** Selby Jennings
- **Location:** London, United Kingdom
- **Salary:** £73,097
- **Contract:** Permanent contract
- **Skills:** Algorithmic Trading, C++ (Programming Language), Profiling, Software Debugging, Linux, Reliability of Systems, Low Latency
- **Published:** November 6, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5953378404

## About the Role

* Strong C++17+ development skills with a focus on performance, concurrency, and low-latency design.
 * Experience in front office or trading environments, ideally within FX or other liquid asset classes.
 * Deep understanding of networking, messaging protocols (e.g., FIX), and exchange connectivity.
 * Familiarity with Linux systems, performance profiling tools, and real-time debugging.
 * Knowledge of market microstructure, order types, and execution logic.

## Description

A leading global trading firm is expanding its FX Front Office Engineering team in London. We are seeking a highly skilled C++ developer to work closely with traders and quantitative researchers to build and optimise real-time trading systems for the foreign exchange markets. This is a front office role where performance, reliability, and speed are critical. Ideal candidates will have experience in low-latency systems, market connectivity, and a strong understanding of FX or other electronic trading environments., * Design, develop, and maintain high-performance C++17+ trading systems for FX spot, forwards, and NDFs.

 * Build and optimise market connectivity components (FIX, proprietary protocols) and order management systems.
 * Collaborate directly with traders and quants to implement trading strategies and pricing models.
 * Ensure system reliability, scalability, and ultra-low latency under high-throughput conditions.
 * Monitor and tune live trading systems, identifying performance bottlenecks and implementing real-time fixes.