Senior Data Scientist

Job description

Are you excited to help shape the future of battery technology and consequently the future of consumer electronics and mobility? Do you have the engineering wit to drive customer success from a technical perspective? Can you not wait to dive in to a VC-backed deep tech scale-up with the ambition to change the world?

Then hurry up and join our multi-national team of ambitious, innovative and entrepreneurial colleagues!


About the Job

LeydenJar Technologies has a mission to deliver a solution, that is a package of technologies including data product, to the lithium-ion battery industry. We are looking for a Senior Data Scientist to collect, engineer, and analyse large amounts of raw data generated from PECVD silicon anode production process, battery assembly process, and from battery performance tests to find patterns that will help improve our decision-making process. We will rely on you to build data products to extract valuable technical and business insights.

In this role, you should be highly analytical with a knack for analysis, math and statistics. Critical thinking and problem-solving skills are essential for interpreting data. We also want to see a passion for machine-learning and research.

As unique in a start-up company, you will work in a very live and vigorous environment together with your colleagues full of entrepreneurship who are enjoying learning from mistakes and making innovative big steps forward every day and week. You will be working with battery team of brilliant, international, ambitious, and diverse scientists and will report to Head of Battery in CTO’s team.


You will be responsible for:

  • Undertaking data collection, data engineering and analysis
  • Presenting information such as dashboards using data visualization techniques
  • Building models to address business problems


What you can expect from us:

  • Unique experience in a rapidly scaling VC-backed start-up environment
  • Chance to work on potentially world-changing technology that can be an enabler to a range of industries in service to the energy transition
  • Great colleagues; at LeydenJar you will be part of a multi-national, ambitious, innovative and entrepreneurial team /with 14+ different nationalities!
  • Relocation will be discussed for international movement of household goods and for relocation of yourself and your family. Application for work/residence permit and 30% Ruling will be supported by us (no guarantee, though)
  • We host internal FUN events each year and offer personal development perks

Do you want to take on the challenge as a Data Scientist? We are looking forward to your application!

Job requirements

What we expect from you:

  • Develop data management system for data collection and pre-processing of structured and unstructured data with external parties.
  • Analyze large amounts of data to discover trends and patterns
  • Build predictive models and machine-learning algorithms
  • Present information using data visualization techniques
  • Collaborate with engineering and product development teams

And the following qualifications:

  • Proven experience as a Data Scientist or Data Analyst
  • Experience with Azure, AWS or Google database infrastructure
  • Experience in data mining
  • Understanding of machine-learning and operations research
  • Knowledge of R, SQL and Python (familiarity with Scala, Java or C++ is an asset)
  • Experience using business intelligence tools (e.g. PowerBI) and data frameworks (e.g. Azure Table)
  • Excellent communication and presentation skills
  • MSc/PhD in Computer Science, Engineering or relevant field; graduate degree in Data Science or other quantitative field is preferred