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Gonzalo V.GV

Gonzalo V.

Data Scientist

€350/day
Madrid, ES
3-7 years

Average response time: 1 hour

About Gonzalo

Hi, I am Gonzalo Villalón, a Data Scientist from Madrid, and this is my story:

I have always been driven by the challenge of solving complex problems. Early in my life, this passion led me to volunteer projects and social research. Today, I bring that same mindset into my work as a Data Scientist. For me, data is not just numbers — it is a powerful tool to understand, predict, and optimize the way organizations operate.

Over the years, I have specialized in:
- Dashboards & Visualization: Turning raw data into clear and interactive stories with Streamlit, Power BI, and Python libraries.
- Machine Learning: Building predictive models that help organizations anticipate behavior, optimize strategies, and create intelligent solutions.
- Optimization Algorithms: Designing decision-making systems for scheduling, logistics, and resource allocation — ensuring not only insights but also optimal actions.

My goal is to turn data into action, helping organizations move from understanding problems to predicting outcomes and optimizing performance
  • English

    Native or bilingual

  • Spanish

    Native or bilingual

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

Experience

  • Taptap Digital
    Data Scientist
    PRESS AND MEDIA
    January 2024 - Today (2 years and 6 months)
    Madrid, Spain
    - Geolocation predictive modelling
    - Methodological improvement of statistical models

    Exploratory Data Analysis:
    Numpy - Pandas - PySpark

    Visualisation:
    Matplotlib - Seaborn - Plotly

    SQL and NoSQL databases: MySQL - MongoDB

    Machine/Deep Learning: ScikitLearn - Tensorflow

    Deployment:
    Docker- Streamlit - Jenkins

    Communication skills:
    Exemplary written clarity & conciseness
    Geopandas Qgis Jenkins IA Sklearn
  • ETS Factory
    Data Scientist
    BANKING AND INSURANCE
    June 2022 - November 2024 (2 years and 5 months)
    Madrid, Spain
    - ML for Quantitative Investing Strategies
    - Roboadvisor enhancements and optimizations
    - Ad-hoc reports for clients
    Sklearn Pandas Docker Git Deep Learning

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Education

  • Grado
    Universidad de Navarra
    2019
    Economía
  • Master
    Universidad Politécnica de Madrid
    2021
    Planificación de Proyectos

Certifications

  • TOEFL iBT
    TOEFL iBT
    2018

Skill set

Categories