Software Developer - Selby Jennings - ref. n35742923

About the Job

Senior Software Developer (Python, C++)

About the Organization

This is a unique opportunity to work on petabyte-scale data systems and cutting-edge tooling that directly supports the firm's core business.

• Design and develop tools to manage and ensure the quality of massive volumes of market data using distributed file systems and databases.
• Work with both normalized and raw exchange data to support research and trading workflows.
• Build real-time monitoring systems to detect data quality and recording issues.
• Collaborate with operations teams to define best practices for deploying and maintaining data recording infrastructure.
• Lead debugging efforts across a complex stack, including Python data pipelines, C++ recorders, and normalization layers.
• Optimize data storage and retention strategies for long-term scalability.

• Bachelor's degree in Computer Science or an equivalent degree
• Proven experience working with large-scale datasets in distributed environments, especially raw and normalized market data.
• Strong programming skills in Python and C++; familiarity with Java is a plus.
• Comfortable working in Unix/Linux environments.
• Excellent problem-solving skills and the ability to troubleshoot complex systems under pressure.

Selby Jennings is a Trading Style of Phaidon International (License number R1871443)