Design, implement, and maintain Python modules/packages in the modelling codebase
Translate modelling methods into production‑quality code
Improve code quality and developer experience by refactoring for clarity
Champion automated testing and TDD
Participate in code reviews and technical design discussions
Identifying and addressing architectural bottlenecks

3+ years of experience in software development
Professional Python experience in a commercial, team‑based software environment
Strong software engineering fundamentals
Comfortable collaborating with Modelling, Research, and Product teams
A relevant degree in a quantitative field such as Mathematics, Physics, Engineering, or Computer Science
An interest in working in the energy/decarbonization sector
Experience building software using Test Driven Development and Continuous Delivery (desirable)
Experience developing modelling or simulation software, or with mathematical optimisation (LPs/MIPs)
particularly in the energy industry (desirable)
Experience stewarding internal libraries/SDKs, packaging (pyproject.toml, Poetry/uv) and dependency management at scale (desirable)
Experience in managing or mentoring junior colleagues (desirable)

Modelling Software Developer

Key skills