Scientific Python Developer

Are you interested in innovating and developing software to solve real environmental problems? Would you enjoy working collaboratively in a multi-disciplinary team to develop innovative software to meet the challenges of the future? If so, we want to hear from you! 

Your role

You will work collaboratively to develop commercial grade software used in the development of our world-leading flood risk data; data that is used throughout global re/insurance markets. 

Key responsibilities:

  • Implement statistical, hydrological and spatial methods and algorithms to simulate weather and flood  
  • Produce high quality and commercial grade Python software
  • Work to good software development practices such as automated testing, code reviews, continuous integration, and user documentation
  • Work with Python, particularly packages such as Numpy, Pandas, Xarray, H5py, Numba, Scipy and Scikit-learn
  • Manipulate challenging and large datasets, identifying and resolving memory/performance bottlenecks 
  • Work collaboratively with an Agile team of Python developers, hydrologists, statisticians, and data scientists

The team member we’re looking for

Our team are looking for an enthusiastic challenge-driven Python developer who enjoys developing scientific software to solve real world challenges.

The following are essential attributes for the role:

  • A degree or postgraduate degree in a scientific, numerical or computing discipline and/or equivalent commercial expertise
  • Experience (personally or professionally) producing Python software
  • You take pride in your work and are driven to create high quality software and workflows
  • You enjoy collaborating, being part of a team and developing others

Additionally, you may also have some experience in some of the following areas, although training will be provided as required:

  • Expertise applying Python to scientific and/or computationally intensive problems involving large datasets
  • Experience producing commercial grade software using good software development practices
  • Familiarity with techniques such as pair programming, TDD and BDD
  • Experience investigating and implementing performance improvements

Your career at JBA

Known as The Flood People, JBA is a global company helping some of the world’s largest re/insurance, financial, property and International Development organisations understand and manage flood risk. We’re experts in translating complex, scientific data into useful information, using sophisticated hydraulic approaches and models to provide cutting-edge flood risk intelligence. Our climate is changing and we’re leading the way to incorporate climate science into our data to provide our clients with a forward-thinking view of flood risk.

We can only do this through our fantastic team, and we believe in providing a competitive salary, flexible working conditions and the best benefits package we can. We’re an employee-owned organisation and have no external shareholders to pay, meaning all our staff benefit directly from our profits through our annual Employee-Owned Benefit scheme.

Alongside this, we’re focused on helping our staff develop their skills and offer a generous training budget to every member of staff, as well as a professional development programme and support in the attainment of professional qualifications including chartered membership.

We invest in our staff’s mental health and wellbeing, encouraging our staff to maintain a healthy work-life balance and organising social activities from bake sales and book clubs to badminton. We also invest in the wider community by funding our own charitable foundation, the JBA Trust, supporting sustainability initiatives such as tree planting, and facilitating outreach visits by our team of STEM ambassadors.

Find out more on the JBA careers page

JBA is committed to creating and sustaining a working environment in which everyone has an equal opportunity to fulfil their potential and we welcome applications from suitably qualified people from all sections of the community.


Full-time or part-time remote working will be considered for this role. If office-based, the role will be based in our modern, eco-friendly offices at Broughton Park, near Skipton, North Yorkshire. This unique work setting sits on the boundary of the Yorkshire Dales National Park and offers easy access to stunning countryside. Skipton is a bustling market town with great schools, services and leisure facilities, and is within easy reach of Leeds, Bradford, Manchester and the Lake District. Find out more at

How to apply

For further information or an informal discussion about this position, please contact Jennifer Moore by email at

To apply for the post, applications should be made using the JBA Risk Management Application pro-forma and emailed to our careers team. Only applications made using the standard form will be accepted.

We would appreciate it if you would also fill in JBA’s Equality and Diversity Monitoring Form and submit it alongside your application form, but please note this is not mandatory.

Please return both forms to our careers team at

Closing Date: 3 October 2022

No unsolicited CVs from Agencies. All Agencies should note that if JBA receives an application via other means - even if it comes after your first contact with us - there will be no contractual entitlement to an introduction fee or other fees. In sending us any applications you are deemed to have agreed to these terms.