Model Developer – Python for Energy Modelling

About the role

We are looking for a Model Developer to build and maintain the Python codebase behind Aurora’s Origin and Chronos modelling software products. You will work in a collaborative engineering environment, turning modelling methods into robust, well‑tested, scalable software that supports our energy‑decarbonisation mission.

Key responsibilities

• Design, implement and maintain Python modules/packages in the modelling codebase, owning components over time.
• Translate modelling methods into production‑quality code, ensuring readability, test coverage and traceability.
• Refactor code to improve clarity, strengthen interfaces and simplify implementations.
• Champion automated testing, Test‑Driven Development and modern CI/CD practices.
• Participate in code reviews and technical design discussions.
• Identify architectural bottlenecks and drive improvements in scalability and developer experience.

Required profile

• 3+ years of professional Python experience in a commercial, team‑based environment.
• Strong software engineering fundamentals and a quantitative degree (Mathematics, Physics, Engineering, Computer Science).
• Comfortable collaborating with Modelling, Research and Product teams.
• Interest in the energy and decarbonisation sector.

Required skills

• Python
• Test‑Driven Development (TDD)
• Continuous Delivery / CI‑CD
• Packaging tools (pyproject.toml, Poetry, uv)
• Dependency management at scale
• Modelling or simulation software
• Mathematical optimisation (LPs, MIPs)

What we offer

• Private Medical Insurance
• Dental Insurance
• Parental Support
• Salary‑Exchange Pension
• Employee Assistance Programme (EAP)
• Local Oxford Discounts
• Cycle‑to‑work Scheme
• Flu Jabs