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Fatma ErFE

Fatma Er

Agile Data Expert | Data Analyst | Data Scientist

€800/day
Leiden, NL
8-15 years

Average response time: 1 hour

About Fatma

I am a Certified Scrum Master (PSM I) and Data Scientist with 9+ years of experience in data science, business intelligence, and agile project delivery.

I support companies by:

Leading Agile teams (facilitating Scrum ceremonies, removing blockers, managing dependencies)

Building end-to-end data workflows (extraction, modeling, validation, visualization)

Designing and delivering BI dashboards with Power BI, Tableau, and Qlik

Developing machine learning solutions (segmentation, churn prediction, anomaly detection)

Optimizing ETL processes with DBT, SQL, and Snowflake / GCP

I combine strong technical expertise with agile leadership skills, helping organizations improve decision-making, efficiency, and customer experience.

🔹 Tools: Python, SQL, Power BI, Tableau, Qlik, DBT, Snowflake, GCP
🔹 Languages: English (C1), Italian (B1)
🔹 Location: Leiden, Netherlands (open to remote and onsite projects)
  • English

    Native or bilingual

  • Italian

    Fluent

Can work on-site
Leiden (up to 50km)

Experience

  • ETIYA
    Lead Data Analyst / Data Scientist
    DIGITAL AND IT
    April 2020 - January 2025 (4 years and 9 months)
    Leiden, Netherlands
    Fostered strong team dynamics through active engagement in team-building activities, enhancing collaboration and productivity. Analyzed complex datasets to derive actionable insights, supporting strategic decision-making and identifying opportunities for improvement and innovation. Led key projects for Vidéotron, focusing on segmentation, cross-sell, and upsell scoring, as well as conducting detailed churn analysis to enhance customer retention strategies. Demonstrated effective coordination and planning skills, consistently delivering projects on schedule while managing customer relationships to ensure high satisfaction levels. Conducted comprehensive data analysis and product assessments as part of a Data Quality Project, enhancing data integrity and reliability. Oversaw technical support and project process management, leveraging proficiency in Python, SQL, Data Build Tool (DBT) and Google Cloud Platform (GCP) to improve operational efficiency and streamline data workflows. Developed and managed Data Build Tool (DBT) models to transform data, optimizing ETL processes and ensuring data quality across analytics initiatives. Created an anomaly detection system for the ETL (Extract, Transform, Load) process in Snowflake databases, optimizing data processes for performance and scalability. Continuously explored and integrated upcoming technologies, including cloud-native solutions, to enhance data analytics capabilities and drive innovation within the team. Following upcoming technologies
    Python SQL Professional Scrum Master™ I (PSM I) Data analysis Data science
  • Kara
    Business Intelligence Data Analyst
    August 2019 - March 2020 (7 months)
    Istanbul, Turkey
    Quickly learned new skills and applied them to daily tasks, improving efficiency and productivity Analysis Data and Design Dashboards-Tableau
    Data science Microsoft Excel Data analysis Scikit-learn SQL
  • Sognando Casa
    Market Business Data Analyst
    January 2019 - July 2019 (6 months)
    Milan, Metropolitan City of Milan, Italy
    Collaborated with internal stakeholders, identifying and gathering analytical requirements for customer, product and projects need
    Leveraged analytics to drive business development, productivity and process improvement Drawing up and executing Marketing plan for e-commerce sector (Google Analytics)
    Microsoft Excel Data analysis

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Education

  • Bachelor Degree
    Yıldız Technical University
    2014
    Bachelor Degree
  • Master Degree, Data Science and Economics
    University of Milan
    2023
    Master Degree, Data Science and Economics

Skill set

Categories