Python Developer

Senior Python Developer
London | Contract | Energy / Trading Environment
£400-£425 per day (Inside IR35)

We are supporting a leading organisation operating within the energy and commodities space who are looking to engage a Senior Python Developer to support the build-out of advanced data-driven applications and analytical tools.

This is a hands-on engineering role working at the intersection of data, analytics and front-office stakeholders. You will be responsible for building clean, modular Python applications, manipulating complex datasets, and delivering interactive dashboards used for commercial insight.

The Role

You will:

• Develop robust, production-grade Python applications
• Manipulate and analyse large datasets using pandas and numpy
• Build interactive dashboards using Plotly Dash
• Design modular, reusable and well-tested code
• Integrate with REST APIs and backend services
• Collaborate with commercial and technical stakeholders to translate requirements into scalable solutions
• This is a highly technical role suited to someone who enjoys building clean systems rather than quick scripts.

Required Experience

• Hands-on Python development experience
• Strong object-oriented programming skills
• Deep experience with pandas and numpy for data manipulation
• Experience with virtual environments, dependency management and packaging
• Strong understanding of software engineering best practices including Git, unit testing (pytest), documentation and code quality tools
• Experience building data-driven applications in a commercial environment.