Quantitative Software Developer

Quantitative Software Developer

Department:

ModellingEmployment Type:

Permanent - Full TimeLocation:

Oxford, UK

DescriptionWe’re looking for a Quantitative Software Developer to help us build and maintain the Python codebase behind Aurora’s Origin and Chronos modelling software products. You’ll work in a collaborative engineering environment, owning feature development and improving code quality, maintainability, and developer experience in the model stack used across our business. You will collaborate with your colleagues in the Modelling team to define practical methodologies, with your focus being on turning these approaches into robust, well-tested, scalable software.

You’ll thrive here if you enjoy writing clean, maintainable Python, shaping libraries and packages other teams rely on, and raising engineering standards (TDD, CI/CD, reviews, readability) across a large, shared codebase.

The position suits an individual with

3+ years of experience in software development

who is interested in a career applying software engineering techniques to modelling software solutions.

Key Responsibilities

Design, 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 discussions

Identifying and addressing architectural bottlenecks and opportunities to improve scalability and developer experience

Skills, Knowledge and ExpertiseRequired attributes:

Professional Python experience ( 3+ years ) in a commercial, team-based software environment, delivering components used by other teams/customers

Strong software engineering fundamentals

Comfortable collaborating with Modelling, Research, and Product teams to implement methods as robust, maintainable code; motivated to raise standards for others

A relevant degree in a quantitative field such as Mathematics, Physics, Engineering, or Computer Science

An interest in working in the energy/decarbonization sector

Desirable attributes:

Experience building software using Test Driven Development and Continuous Delivery

Experience developing modelling or simulation software, or with mathematical optimisation (LPs/MIPs) - particularly in the energy industry

Experience stewarding internal libraries/SDKs, packaging (pyproject.toml, Poetry/uv) and dependency management at scale

Experience in managing or mentoring junior colleagues

What we offerSome of the benefits we include are:

Private Medical Insurance

Dental Insurance

Parental Support

Salary-Exchange Pension

Employee Assistance Programme (EAP)

Local Oxford Discounts

Cycle-to-work Scheme

Flu Jabs

At 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.

The Company is committed to the principle that no employee or job applicant shall receive unfavourable treatment on grounds of age, disability, gender reassignment, race, religion or belief, sex, sexual orientation, marriage or civil partnership, pregnancy, and maternity.

To apply, please submit your Résumé / CV, a personal summary, your salary expectations and please inform us of your notice period.

Unfortunately, we are unable to accept applications via email, telephone, or social media platforms. To be considered for this position, please submit your application using the link provided. Applications submitted through any other channel will not be ..... full job details .....