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This job expired on 24/09/2026. It no longer accepts applications.
Junior Data Scientist – Transform Data into Insights
Lawrence Harvey · Madrid
Job description
About the role
We are seeking a motivated Junior Data Scientist to join our growing data team. You will turn large volumes of raw data into actionable insights, supporting cross‑functional teams in data‑driven decision making.
Key responsibilities
- Analyze and interpret complex datasets to uncover trends, patterns and business opportunities.
- Develop, validate and optimise statistical and machine‑learning models.
- Apply advanced techniques such as multivariate statistics, predictive modelling and network analysis.
- Clean, transform and prepare both structured and unstructured data for analysis.
- Build reproducible analytical workflows using Python and/or R.
- Collaborate with business and technical stakeholders to translate requirements into analytical solutions.
- Present findings through clear visualisations and written reports.
- Contribute to continuous improvement of methodologies and best practices.
Required profile
- Bachelor’s degree in Mathematics, Statistics, Physics, Engineering or a related quantitative field (Master’s preferred).
- 1‑2 years of experience on analytical or data‑science projects.
- Strong understanding of statistical methods, predictive modelling and machine‑learning concepts.
- Excellent analytical thinking, problem‑solving and communication skills.
- Professional proficiency in English.
Required skills
- Python and/or R programming.
- SQL for data extraction and manipulation.
- Machine‑learning libraries such as Scikit‑learn, TensorFlow or PyTorch.
- Cloud platforms (AWS, Azure, Google Cloud) – nice to have.
- Big‑data technologies like Spark or Hadoop – nice to have.
- Data‑visualisation tools (Power BI, Tableau, Matplotlib) – nice to have.
- Version control with Git.
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Lawrence Harvey
Madrid
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