Python Engineer, Quant Trading — Front-Office Impact

Selby Jennings; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

Selby Jennings is hiring a Python Software Engineer for a London trading technology team. You will design, build and enhance production-grade Python applications supporting trading, market data, risk and workflows, working closely with traders and researchers.

You will own projects from design to deployment in a fast-paced environment, delivering scalable, low-latency systems and collaborating with front-office stakeholders to improve functionality.

Qualifications

• Experience building and supporting production systems on Linux environments.
• Strong understanding of software engineering best practices, including testing, reliability and maintainability.
• Excellent communication skills and a collaborative approach to development.
• Degree in Computer Science, Mathematics, Engineering or a related technical discipline.
• Experience working with relational databases such as PostgreSQL or MySQL.
• Experience within electronic trading, quantitative finance or other high-performance technology environments.

Responsibilities

• Developing and maintaining production-grade Python applications.
• Building tools and services that support trading, research and operational processes.
• Collaborating with traders and quantitative teams to improve system functionality and scalability.
• Contributing to the design of robust, low-latency and highly available systems.
• Taking ownership of projects from design through deployment and ongoing support.
• Working within a fast-paced environment where technology plays a central role in driving business performance.

Skills

Linux production systems

Software engineering practices

Problem solving

Communication skills

Independent work

Education

Bachelors in Computer Science/Math/Engineering

Tools

PostgreSQL

MySQL

Job description

Selby Jennings is hiring a Python Software Engineer for a London trading technology team. You will design, build and enhance production-grade Python applications supporting trading, market data, risk and workflows, working closely with traders and researchers.

You will own projects from design to deployment in a fast-paced environment, delivering scalable, low-latency systems and collaborating with front-office stakeholders to improve functionality.