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Data Scientist


Job Location:

Barcelona - Spain

Monthly Salary: Not provided by the employer
Posted: 2 September 2026 (Yesterday)
Application Deadline: 30 November 2026
Vacancies: 1 Vacancy

Job Summary

Are you a data enthusiast ready to make an impact Join our team as a Data Scientist where youll play a pivotal role in shaping our companys future through sharp analysis strategic insight and proactive collaboration.

Key Responsibilities

AI & Machine Learning

  • Develop and implement end-to-end projects powered by advanced AI tools to solve and automate key business problems and processes.
  • Develop and deploy traditional machine learning models (Classification/Regression).
  • Foster an AI-driven culture within Holaluz by researching and disseminating AI knowledge across the company.
  • Stay up to date with emerging technologies and assess their suitability for Holaluz.

Data Warehousing

  • Populate the Data Warehouse with datasets using Python and SQL to create robust data pipelines.
  • Optimize and evolve the data warehousing infrastructure to ensure cost-effectiveness and scalability.
  • Maintain the smooth and efficient operation of Data Analytics systems.

Insight Generation & Analytics

  • Answer business questions using a wide range of data techniques.
  • Develop concise one-page documents with actionable insights and business recommendations.
  • Conduct in-depth analyses to solve key business problems.
  • Translate complex data into clear and concise presentations for senior management and stakeholders effectively communicating key findings and recommendations.
  • Create compelling visualizations to effectively communicate key metrics to stakeholders.
What Were Looking For

Education & Experience

  • A Bachelors degree in Mathematics Engineering Telecommunications or a related field
  • 35 years of experience working as a Data Analyst Data Scientist or Data Engineer.

Key Skills & Attributes

  • Technical Proficiency: Expertise in SQL and Python for data manipulation analysis and automation.

  • Analytical & Strategic Thinking: Proven ability to dissect complex problems and deliver strategic solutions.

  • Communication & Storytelling: Strong ability to distill intricate technical concepts into clear actionable business insights.

  • Proactive Mindset: A detail-oriented solution-focused professional with high standards for data accuracy.

  • Collaboration: Dependable team player who thrives both independently and in collaborative environments.

  • A positive energetic attitude that aligns with our SHAKE culture:

    • Say things as they are
    • Have fun
    • Always people first
    • Keep rowing together
    • Es posible

Complementary skills and experience

  • Workflow Orchestration: Hands-on experience with orchestration tools like Apache Airflow.
  • Data Visualization: Hands-on experience building reports and dashboards in tools such as Power BI Tableau or QlikView.
  • Version Control: Strong understanding of version control best practices using Git.
  • Cloud Platforms: Previous experience working within cloud environments specifically AWS is highly appreciated.
Why Join Us

This role is more than just a job its an opportunity to drive meaningful impact within a fast-paced forward-thinking organization. If you consider yourself an optimistic person dedicated and excited to grow within a culture of transparency collaboration and possibility wed love to hear from you.