Data Scientist

Oxygen Digital has partnered with an ambitious CleanTech start-up, having been assigned to find a Data Scientist with experience in the field of battery energy storage solutions (BESS). This business offers a sustainable, cost-effective and reliably energy storage system using second-life batteries from electric vehicles, built up in a modular design, with varying capacities ranging from 30 kWh up to several MWh, customizable for specific needs.

The profile we’re looking for:

  • Tech: Python (or C, C++ and Java), SQL, AWS (their battery cloud solutions is hosted in AWS), Git, Docker, Kubernetes, Bash, dbt.
  • Knowledge and practical experience with machine learning, predictive modelling, optimal control and reinforcement learning.
  • Experience in ETL/ELT and in building efficient data pipelines.
  • Background in LiIon batteries and battery state estimation algorithms is a clear plus.
  • An understanding of the energy markets is a clear plus.

What’s in it for you?:

  • An attractive compensation package.
  • Career development opportunities in fastgrowing, mission-driven CleanTech start-up.
  • Hybrid working (23 days in the office/2-3 days working from home).

Interview process:

  • 1st stage – getto-know.
  • 2nd stage – technical.
  • 3rd stage – final.


– Up to €8,000 a month gross (depending on experience and decided by the client).


Our client forecasts a promising roadmap, as they have now concluded seed funding taking them through to the end of 2023, where they will being Series A funding in Q1 of ’24.

If you’ve got to this point, then we have to agree that you probably want to learn more. Take your chance, apply or send your CV to

Sam Warwick – EMEA CleanTech Lead.

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