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# C++ Engineer - Quant Trading

- **Company:** Bonhill Partners
- **Location:** London, UK
- **Contract:** Permanent contract
- **Skills:** C++ (Programming Language), Profiling, Concurrent Computing, Data Distribution Service, Software Debugging, Linux, Distributed Systems, Python (Programming Language), Linux System Administration, Routing, Performance Tuning, Systems Architecture, Multithreading, Scripting, Low Latency, Hardware Acceleration, C++14
- **Published:** May 15, 2026
- **Apply:** https://find.jobs/jobs-near-me/c-engineer-quant-trading-city-of-london-london/2770441339-2/

## About the Role

* Strong commercial experience developing in modern C++ within a trading, market data, or low-latency systems environment.
 * Solid Python skills for scripting, tooling, automation, or operational support tasks.
 * Deep understanding of Linux systems engineering and performance tuning.
 * Experience working with:
 * Real-time market data feeds
 * Exchange connectivity and order routing
 * TCP/UDP multicast networking
 * Low-latency or high-throughput systems
 * Strong knowledge of multithreaded and concurrent programming concepts.
 * Experience debugging and optimising production systems in mission-critical environments.
 * Strong understanding of distributed systems, networking, and systems architecture.
 * Excellent problem-solving skills with the ability to work effectively in a fast-paced front-office environment.

Desirable Experience

 * Exposure to buy-side trading environments, systematic trading, or electronic execution platforms.
 * Experience with market protocols such as FIX, OUCH, ITCH, or binary exchange protocols.
 * Familiarity with tick plant architecture and time-series data systems.
 * Knowledge of performance profiling, kernel bypass networking, or hardware acceleration techniques.
 * Experience working with cloud or containerised infrastructure is beneficial.
 * Understanding of Equities, Futures, FX, or Derivatives markets would be advantageous.

## Description

We are partnering with a leading buy-side investment firm seeking a highly skilled C++ Engineer to join their front-office trading technology team. This role will focus on building and enhancing low-latency trading infrastructure, market connectivity, and real-time market data systems that directly support trading and investment activities across global markets., * Design, develop, and maintain high-performance C++ applications supporting electronic trading and market data platforms.

 * Build and support low-latency exchange connectivity and market access solutions across multiple venues and asset classes.
 * Develop and optimise real-time market data systems, including feed handlers, normalisation layers, and data distribution services.
 * Work closely with traders and quantitative teams to improve trading infrastructure performance, reliability, and scalability.
 * Enhance trading platform resiliency, monitoring, and operational tooling across Linux-based environments.
 * Contribute to the architecture and optimisation of high-throughput distributed systems.
 * Participate in troubleshooting and performance analysis of latency-sensitive production systems.
 * Support automation initiatives and tooling using Python where appropriate.


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