Data Scientist

Company: Octopus Energy Group
Apply for the Data Scientist
Location: Greater London
Job Description:

At Octopus Energy Trading, we’re on a mission to reshape the future of energy. As part of Octopus Energy Group, we’re creating an innovative approach to trading that will accelerate the transition to a Net Zero world. With the growth of renewables and a push toward decarbonising heating and transport, greater flexibility in the grid is essential. We are building cutting‑edge technology to optimise everything from domestic EV charging to grid‑scale batteries, to meet the global demand for energy flexibility.

We’re looking for passionate and unconventional thinkers to join us on this journey, bringing a diversity of experience and ideas to shape a more efficient, flexible, and sustainable energy system.

With an increase in variable and distributed supply, using data for trading and forecasting has never been more important. Octopus has always had a tech‑first approach, and our trading and analytics tools are all built in‑house. We are looking for a data scientist who’s comfortable building data pipelines bringing together internal and external data to create market‑leading insights using both classical and ML techniques. This will include looking at demand, renewables and transmission system fundamentals forecasts focussed to begin with on the GB intraday power market.

What You’ll Do…

  • Exploring the types of data needed to effectively trade the GB intraday power market
  • Building, improving and maintaining models to forecast electricity demand and renewable generation, primarily in GB but developing into all of Western Europe;
  • Finding high quality, novel data sources to base our forecasts off of;
  • Development on forecasting framework and tools;
  • Maintaining and automating forecasting processes, whilst building in checks and alerting;
  • Utilising these forecasting models to build or enhance our price forecasts
  • Collaborating with Trading, Renewables, Flexibility and other teams to utilise our combined knowledge and data.

What You’ll Need…

  • Experience with Python is essential;
  • A good understanding of what forecasting techniques to use and the ability to build a simple baseline and quickly iterate;
  • Ability to communicate your approach, including its strengths and limitations;
  • Able to quickly understand commercial and industry concepts;
  • Team player excited at the idea of ownership across lots of different projects and tools;
  • Passion for driving towards Net Zero;
  • Experience with Machine Learning is essential;
  • Experience in the electricity industry in GB would be useful but not required.

Why else you’ll love it here

  • Wondering what the salary for this role is? Just ask us! On a call with one of our recruiters it’s something we always cover as we genuinely want to match your experience with the correct salary. The reason why we don’t advertise is because we honestly have a degree of flexibility and would never want salary to be a reason why someone doesn’t apply to Octopus – what’s more important to us is finding the right octofit!
  • Octopus Energy Group is aunique culture. An organisation where people learn, decide, and build quicker. Where people work with autonomy, alongside a wide range of amazing co‑owners, on projects that break new ground. We want your hard work to be rewarded with perks you actually care about! We were recently named the UK’s top company to work for, and we ranked in the top ten in the Sunday Times Best Places to Work 2024. Our Group CEO, Greg has recorded a podcast about our culture and how we empower our people. We’ve also been placed in the top 10 companies for senior leadership
  • Visit our UK perks hub – Octopus Employee Benefits

If this sounds like you then we’d love to hear from you. …

Posted: April 10th, 2026