Gonzalo User

Performed validation and control testing of an AI system, compared models on cost, response time, and error rates, and designed a local data extraction module to ensure privacy compliance.

Automated daily reporting in Power BI processing over 1M records from multiple sources, developed complex SQL queries, and built a heat map in Python for passenger volume analysis. Designed and implemented a materialized view in PostgreSQL for consolidated data.

Designed and optimized an entity-relationship model, documented database structure on Google Cloud Platform, and implemented automated pipelines and SQL queries for data analysis and validation.

Coordinated group sessions and supported students in SQL, Python, Power BI, and Excel, resolving technical queries and fostering analytical thinking.

Provided fitness instruction and personal training services at a gym.

Worked on the production line as an industrial operator.

Worked as a delivery driver for Pedidos Ya.

Managed a gastronomic business, including stock control, supplier analysis, profitability, and pricing.

Provided physical preparation, personal training, and instruction services independently and at gyms.

Completed a 480-hour Data Science program.

Completed an intensive 520-hour Data Analytics program covering SQL, Python, Power BI, Machine Learning, ETL, and relational modeling, with a final integrative project.

Completed a course on Agile Methodologies, Scrum and Kanban.

Earned a teaching degree in Physical Education with specializations in high performance, bodybuilding, and sports physical preparation.

Completed secondary education.