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David Martí BoixDM

David Martí Boix

Data Scientist

€120/day
Madrid, ES
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
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About David

I am a Data Scientist with a Master's degree in Data Science, highly skilled in machine learning, deep learning, and data analysis. I have worked with a wide variety of Python libraries, including Pandas, NumPy, Scikit-learn, TensorFlow, Keras, Matplotlib, Seaborn, and PySpark, among others, to develop predictive models, optimize processes, and perform exploratory data analysis (EDA). My problem-solving approach and technical skills allow me to tackle complex challenges and deliver fast and effective solutions in dynamic environments. I seek to apply my experience in real-world projects in sectors such as technology, finance, health, and logistics, contributing to the success of teams and projects.
  • Spanish

    Native or bilingual

  • Catalan

    Native or bilingual

  • English

    Fluent

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

Experience

  • INNOVATECH
    JUNIOR DATA SCIENTIST
    February 2023 - December 2024 (1 year and 10 months)
    Girona, Spain
    Designed and developed a prediction model to optimize logistics and inventory management in collaboration with a local retail company. Analyzed large volumes of data using supervised machine learning techniques (random forest, linear regression) to identify seasonal demand patterns and reduce costs. Implemented a data processing pipeline using Python and libraries such as Pandas, NumPy, and Scikit-learn, automating weekly analysis. Contributed to reducing forecasting errors by 20%, providing key insights through interactive dashboards in Power BI. Prepared reports and data analysis for specific projects.
    Python Machine learning Data science Data analysis
  • EQUIPO I+DUDG
    JUNIOR DATA SCIENTIST
    May 2024 - October 2025 (1 year and 5 months)
    Barcelona, Spain
    Designed and implemented algorithms based on network analysis and unsupervised clustering techniques (K-Means, DBSCAN) to identify suspicious transactions. Automated real-time data processing with PySpark, processing over 1 million records daily.

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Education

  • Master of Data Science
    University of Girona (UDG)
    2024
    Master de Data Science
  • Bachelor of Science in Chemistry
    University of Barcelona.
    2010
    Licenciatura en Ciencias Químicas

Skill set

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