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Leila OssenaLO

Leila Ossena

Senior Business Data Analyst/Scientist

€500/day
Pöllau bei Hartberg, AT
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Leila

With hands-on experience in Python, Machine Learning, PySpark, Microsoft Fabric and Power BI…. I’ve delivered data pipelines, reporting solutions and automation in a corporate environment. I work precisely, deliver clean results and communicate directly.
  • French

    Native or bilingual

  • English

    Native or bilingual

  • German

    Fluent

  • Spanish

    Basic

Remote only
Primarily works remotely

Experience

  • RINGANA,
    Senior Business Data Analyst
    April 2025 - Today (1 year and 2 months)
    Hartberg, ST, Austria
    • - Built Microsoft Fabric / PySpark notebooks across dev, test, and production environments.
    • - Handled Jira tickets, SQL-based pipeline analysis, and issue resolution.
    • - Created Power BI and Tableau reports and supported reporting automation processes.
    PySpark Microsoft Power BI SQL excel Jira & Confluence
  • Merck KGaA,
    Efficacy Scientist
    January 2023 - October 2024 (1 year and 9 months)
    64 Darmstadt, Germany
    • - Developed Python scripts to compare 200+ skincare formulations using clustering methods.
    • - Reduced ingredient testing costs by 30% through predictive modeling.
    Python Machine Learning Algorithms SQL Pandas Neural Networks

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Education

  • Certification Machine Learning and Neural
    CodeOp
    2025
    Certification Machine Learning and Neural
  • Information and Communication
    Hochschule fur Technik und Wirtschaft Berlin
    2023
    Information und Kommunikation

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