CV

General Information

Full Name Josu Alonso Castanedo
Date of Birth 13th December 1993
Languages Spanish, English, French

Education

  • 2020-2022
    Master in Data Science
    Open University of Catalonia, Barcelona, Spain
    • Specialized in Machine Learning and Deep Learning.
    • Top 150 between youngest universities (Times Higher Education).
  • 2015-2018
    IBBA in International Finance
    Kedge Business School, Marseille, France
    • Specialized in Financial Analysis and Econometrics.
    • Classified one of the 40 best Business Schools in Europe (Financial Times).
  • 2013-2018
    Double Degree Program in International Business
    Universitat de Valencia, Valencia, Spain
    • Joint Degree Program with KEDGE BS.
    • 3rd best Economic and Management faculty in Spain (Ranking Shangai).

Experience

  • 2022-now
    Data Scientist
    Promofarma, Barcelona, Spain
    • Development and maintenance of Machine Learning models to use company data in order to increase profits and enrich the user experience.
    • Implementation of said models in production using Airflow, AWS, Docker and PyTorch among others.
    • Projects
      • "Development of a NLP model to perform semantic search and increase findability and conversion rates."
      • "Reduction of credit card fraud by up to 90% thanks to the implementation of a machine learning model."
  • 2020-2022
    Data Analyst
    Promofarma, Barcelona, Spain
    • Business Intelligence Design and Development using Qlik Sense.
    • Automation of day-to-day reports using Airflow and Streamlit among others.
    • Projects
      • "Increase speed of AB testing company wide by creating a front-end tool to check statistical significance."
      • "Behavioural clusterization of customers to increase MKT efficiency and reduce churn."
  • 2018-2020
    Finance Analyst
    Media Adgo, Barcelona, Spain.
    • Development of reports using the business and financial data of the company.
    • Responsible for the financial procedures on both Spanish and French markets.
    • Projects
      • Increased the efficiency of MKT teams by developing dashboards with the most profitable campaigns.
      • Increased speed of the accounting clousure by up to 30% by automating the process.
  • 2017
    Income Auditor Trainee
    Dolce Hotels & Resorts, Brussels, belgium
    • Ensure a proper treatment of the financial data.
    • Elaborate management reports: payment methods, cash available, refunds, ...

Skills & Tools

  • Programming Languages and Frameworks
    • Python
    • SQL
    • Airflow
    • Docker
    • FastAPI
    • PyTorch
    • Tensorflow
    • Scikit-Learn
    • Spacy
    • Pandas
  • Data Concepts
    • Natural Language Processing
    • Recommender Systems
    • Fraud Detection
    • Time Series Analysis
    • Clustering
  • Data Visualization
    • Tableau
    • Qlik Sense
    • Streamlit
    • Dash
  • Other
    • Git
    • AWS
    • CI/CD
    • Linux
    • Google Data Studio

Certifications & Courses

  • 2022
    Search with Machine Learning
    CoRise, Online
    • 1 month program based on using Machine Learning and ElasticSearch modules to improve search relevance and efficiency.
  • 2022
    Natural Language Processing Specialization
    DeepLearning.ai, Online
    • 4 courses specialization focused on extracting the most out of text data.
  • 2022
    Tensorflow Developer Professional Certificate
    Coursera, Online
    • 4 courses specialization by AI Advocates in Google aimed at developing production-ready models using TensorFlow.
  • 2021
    Deep Learning Specialization
    DeepLearning.ai, Online
    • 5 courses specialization focused on Deep Learning, often mentioned as the best course to take in Deep Learning.
  • 2021
    Machine Learning Certificate
    Stanford University, Online
    • Foundational course on Machine Learning with mathematical concepts thoroughly explained.