Python Software Engineer

Durlston Partners · Cardiff, United Kingdom

Location
Cardiff
Job Type
Full-time
Posted
June 24, 2026

Job Description

Python Software Engineer – High-Frequency Trading

We're working with a high-frequency trading (HFT) firm that is looking to expand its technology team with a Python Software Engineer. This is an opportunity to join a trading firm operating at the cutting edge of global markets, where technology and speed are paramount.

They build and run highly scalable, ultra-low latency trading systems that compete across major global exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial technology space.

The Role

As a Python Software Engineer, you’ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly contributing to systems that operate at nanosecond-level latency and handle massive volumes of real-time data.

Key Responsibilities

  • Develop and maintain sy...

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