Job Description

Posted 3 weeks ago

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