You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Sara B.SB

Sara B.

Data Scientist

350 €/día
Barcelona, ES
3-7 años

Tiempo medio de respuesta: 1h

Acerca de Sara

Data Scientist con formación en epidemiología y estadísticas. Tengo experiencia con python el ecosistema de data science relacionado con la visualización, exploración y análisis de datos así como el desarrollo y la aplicación de modelos de machine learning a big data. También he llevado a cabo proyectos de NLP (summarization)
  • Francés

    Bilingüe o nativo

  • Inglés

    Bilingüe o nativo

  • Español

    Bilingüe o nativo

  • Alemán

    Competencia profesional básica

Acepta trabajo presencial
Barcelona (hasta 50 km)

Experiencia

  • VeryChic
    Lead Data Scientist
    LOGÍSTICA & SUPPLY CHAIN
    junio de 2022 - febrero de 2026 (3 años y 8 meses)
    Barcelona, Spain
    – Led the Data Science department, owning all recommendation-based ML projects end-to-end.
    – Drove departmental growth and delivery through cross-functional leadership with Product, Engineering, and Business teams.
    – Improved performance of existing production models, including ensemble architectures, lifting key algorithmic KPIs.
    – Aligned data science work with business priorities to ensure measurable commercial impact.
  • PepsiCo
    Data Scientist
    julio de 2021 - mayo de 2022 (10 meses)
    Barcelona, Spain
    – Built a causal-impact engine from scratch to measure the true business effects of product changes and marketing campaigns.
    – Delivered product analytics for the Data & Analytics team, transforming raw data into actionable stakeholder insights.
    – Leveraged PySpark and ETL pipelines for large-scale data processing and predictive modelling.
    – Applied mathematical modelling and data-mining techniques to uncover patterns and support strategic decision-making.
    – Collaborated across product and analytics teams to scope problems and communicate results effectively.
    Python Machine Learning Data science Latent Dirichlet Allocation matplotlib
  • Weenect
    Data Scientist (Freelance)
    febrero de 2019 - diciembre de 2019 (10 meses)
    Paris, France
    – Applied clustering algorithms to identify distinct pet activity patterns, powering a customer-facing activity tracking feature.
    – Built an energy-expenditure model combining activity data with biological factors to target pet obesity reduction.
    – Created executive dashboards and data-visualisation reports to communicate department insights to leadership.
    Visualización de datos Python Data science Multinomial Naive Bayes Pandas

Recomendaciones

Sé el primero en recomendar a Sara

Ayuda a este freelance a destacar compartiendo tu experiencia.

Estos perfiles de freelance también coinciden con tus criterios

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Formación

  • Master en Salud Publica (Epidemiologia)
    Universidad Miguel Hernandez de Elche
    2016
  • MBA (Master in Business Administration)
    Universidad Miguel Hernandez de Elche
    2018

Conjunto de habilidades profesionales

Categorías