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Junior Data Scientist – Transform Data into Insights

Lawrence Harvey · Madrid

Junior 🇬🇧 English
Python SQL Scikit-learn TensorFlow PyTorch AWS Azure Google Cloud Spark Hadoop Power BI Tableau Matplotlib Git

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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Published 2 months ago

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Lawrence Harvey

Madrid