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Wilmer Ropero Castaño is a seasoned Sr Data Engineer with extensive experience in building and maintaining ETL processes across various companies, including OfferUp and Encora Inc. Proficient in technologies such as Databricks, FIVETRAN, Terraform, Airflow, Python, GitHub, AWS, and BigQuery, Wilmer focuses on modern data architecture and business intelligence solutions. Previous roles include Data Engineer and Business Intelligence Consultant at Datalytics for Mercado Libre, where data needs were addressed through comprehensive ETL development using GCP and AWS. Wilmer’s background features experience in database management, data analysis, and algorithm development for operational support in the energy sector. Wilmer holds a Master’s degree in engineering specializing in microgrid optimization from Universidad de Antioquia and a degree in electrical engineering from Universidad Nacional de Colombia.