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# Quant Developer / Software Engineer

- **Company:** Radley James
- **Location:** New York, NY, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Algorithmic Trading, C++ (Programming Language), Data Structures, Linux, Memory Management, High-Frequency Trading, Python (Programming Language), Routing, Performance Tuning, Multithreading, Concurrency, Low Latency
- **Published:** October 13, 2026
- **Apply:** https://www.juju.com/job/2_163537962

## About the Role

* 5-10 years of professional C++ development experience.
 * Excellent understanding of computer science fundamentals, including algorithms, data structures, concurrency, memory management and operating systems.
 * Experience building performance-critical, real-time or high-throughput systems.
 * Strong understanding of multithreading and performance optimisation.
 * Experience developing robust production software in a Linux environment.
 * Strong problem-solving skills and ability to work closely with technical and business stakeholders.

Nice-To-Have Experience

 * Quantitative trading, electronic trading or broader financial markets experience.
 * Equities and/or ETFs experience.
 * Market data, order routing, execution or exchange connectivity.
 * Low-latency or high-frequency trading systems.
 * Pricing, research or simulation frameworks.
 * Python alongside C++.

Prior financial markets experience is not essential for all opportunities, and strong C++ engineers from other performance-critical environments are encouraged to apply. The underlying requirements place particular emphasis on strong computer science fundamentals, performance-critical C++ and Linux engineering. xrbllit

## Description

* Design and develop high-performance, production-quality trading systems in C++.
 * Work closely with traders and quantitative researchers to translate trading ideas into production technology.
 * Build and optimise systems across market data, pricing, simulation, order routing and execution.
 * Develop infrastructure supporting systematic and automated trading strategies.
 * Optimise systems for latency, throughput and reliability.
 * Take ownership of projects throughout the full engineering lifecycle.
 * Contribute to technical architecture and the continued development of the wider trading platform.