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Juan Manuel CornejoJM

Juan Manuel Cornejo

Data Scientist, Machine Learning engineer

EUR 350/Tag
Madrid, ES
3-7 Jahre

Durchschnittliche Reaktionszeit: 1h

Über Juan Manuel

Data Scientist & Machine Learning Engineer con +5 años de experiencia aplicando modelos de IA y aprendizaje automático en entornos de alto impacto. He trabajado como Product Data Scientist en startups de éxito como Cobee, liderando proyectos que combinan análisis de datos, machine learning y visión de producto para escalar soluciones innovadoras.

📚 Cuento con un Máster especializado en desarrollo de soluciones de IA generativa, lo que me permite diseñar e implementar productos basados en LLMs, chatbots, generación de contenido y sistemas de recomendación inteligentes.

🚀 Mi valor diferencial está en unir la excelencia técnica con la visión de producto, entregando soluciones de IA que no solo funcionan, sino que aportan valor real al negocio.
  • Spanisch

    Muttersprachlich oder zweisprachig

  • Englisch

    Konversationssicher

Vor Ort möglich
Madrid (bis zu 50 km)

Projekt- und Berufserfahrung

  • Cobee-Pluxee,
    Product Data Scientist
    März 2024 - April 2025 (1 Jahr und 1 Monat)
    Madrid, Spain
    • Led the redesign and implementation of a scalable billing system, replacing legacy Tableau processes and increasing operational efficiency. . Migrated key business dashboards to Metabase, im-proving accessibility, performance, and visibility into strategic KPIs. . Designed and deployed multiple ETL pipelines using DBT and Clickhouse to support core analytics and product initiatives.
    • Collaborated with product and engineering teams to translate business needs into data-driven solutions.
    • Development of prototyping and idea validation with generative Al
    Data science IA Generativa ETL Metabase DBT
  • Ladorian
    Machine Learning Engineer
    Februar 2022 - März 2024 (2 Jahre und 1 Monat)
    Madrid, Spanien
    . Refactored and optimized the company's ML codebase in Python, improving performance and scalability; migrated applicable logic to BigQuery SQL for improved data efficiency.
    • Developed models to correlate sales with weather data and perform cross-analyses of sociodemographic segments. . Built a sales forecasting model integrated into the Google Cloud Platform ecosystem, powering real-time decision-making.
    SQL Google Cloud Platform (GCP) Python Machine learning Looker Studio
  • IESE Business School
    Teaching assistant, Python for Data Analysis
    Januar 2022 - Dezember 2022 (11 Monate)
    Barcelona, Spanien
    . Guided participants in learning programming fundamentals, data manipulation, and visualization using Pandas, NumPy, and Matplotlib.
    Python Visualización de datos Data science Pandas Numpy

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Ausbildung und Abschlüsse

  • Data Science
    The bridge. Digital talent
    2021
    Programming: Python (IDEs: PyCharm, VisualStudio, Jupyter) - Version control: Git - Databases: SQL - Data Sources: APIs, Web Scrapping (Selenium, BeautifulSoup) - EDA, Analysing data, data cleaning, data mining: Pandas, Numpy, SQL, Spark - Data visualization: Matplotlib, Seaborn, Pandas, Plotly - Dashboarding: Power BI - Machine Learning: Supervised & Unsupervised Learning: Scikit-Learn (Linear Regression, Polynomial Regression, Logistic Regression, PCA, SVM, KNN, Tree-Based Models and Ensembles, Clustering algorithms…, Machine Learning with PySpark and Databricks) - Deep Learning: TensorFlow, Keras (Deep Neural Networks, Convolutional Neural Networks, Transfer Learning, Embeddings) - Natural Language Processing: NLTK, SpaCy, Textacy (Stemming, lemmatization, vectorization, tokenization, Sentiment Analysis) - Big Data & ETL: Spark, Databricks, PySpark, AWS Cloud - Model deployment: Flask, Heroku, AWS
  • Inteligencia Artificial
    Madrid 42 fundación Telefónica
    Visualmente, la metodología se compone de siete círculos concéntricos, que representan al Common Core, a los que se añaden multitud de satélites a su alrededor que corresponden a las especializaciones. Dentro del Common Core se aprenden nociones fundamentales de programación con proyectos de formación básica. Dentro de mi especialización , estoy centrado en Bid Data e Inteligencia Artificial

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