OverviewAt AER, we are committed to offering flexibility in the way we work. Most of our roles are hybrid with a mix of in-office/home working and potentially adjustable working hours. Let's discuss what works for you and AER during the interview process.ResponsibilitiesDesign, implement, and maintain Python modules/packages in the modelling codebase; own components over time and steward their quality and usability for other teams.Translate modelling methods into production-quality code, collaborating with method owners in the Modelling team; ensure implementations are readable, tested, and traceable.Improve code quality and developer experience by refactoring for clarity, strengthening interfaces and simplifying implementations.Champion automated testing and TDD; driving the adoption of modern software engineering practices in the model development team.Participate in code reviews and technical design discussionsIdentify and address architectural bottlenecks and opportunities to improve scalability and developer experienceQualificationsProfessional Python experience (3+ years) in a commercial, team-based software environment, delivering components used by other teams/customersStrong software engineering fundamentalsComfortable collaborating with Modelling, Research, and Product teams to implement methods as robust, maintainable code; motivated to raise standards for othersA relevant degree in a quantitative field such as Mathematics, Physics, Engineering, or Computer ScienceAn interest in working in the energy/decarbonization sectorDesirable attributesExperience building software using Test Driven Development and Continuous DeliveryExperience developing modelling or simulation software, or with mathematical optimisation (LPs/MIPs) - particularly in the energy industryExperience stewarding internal libraries/SDKs, packaging (pyproject.toml, Poetry/uv) and dependency management at scaleExperience in managing or mentoring junior colleaguesBenefitsPrivate Medical InsuranceDental InsuranceParental SupportSalary-Exchange PensionEmployee Assistance Programme (EAP)Local Oxford DiscountsCycle-to-work SchemeFlu JabsNotesWe are committed to offering flexibility in the way we work. Most of our roles are hybrid with a mix of in-office/home working and potentially adjustable working hours. Let’s discuss what works for you and AER during the interview process. #J-18808-Ljbffr