Alejandro L.

– Automated workflows on AWS for various clients. – Implemented a centralized data warehouse and data integrations for a client in the Food and Beverage Distribution industry using AWS Cloud platform. – Developed data acquisition solutions through web scraping for a client in the Real Estate industry on GCP Cloud platform. – Developed full stack web apps in React/Node.js on AWS Lambda/MongoDB for monitoring and configuring solutions.

– Implemented data pre and post processing for Machine Learning and AI tools (Bad debts and Risk Management, FraudWall) on AWS and on-premise platforms. – Managed integration between data lake, data warehouse, and Qlik platform. – Ingested and processed large volumes of transaction data from Google and Apple Direct Carrier Billing into the data lake, integrating it into financial and BI pipelines. – Developed data ingestion processes for Hadoop data lake using Apache Flume, Hive, and Impala. – Designed and implemented data analytics for ARPU, user Life Time Value, and other KPIs. – Migrated ETLs and data warehouse from Oracle to a Microsoft-based solution (SQL Server, Integration Services, Analysis Services, PowerBI).

– Drove the migration of the data warehouse from SQL Server to Oracle. – Created a custom ETL orchestration solution to manage ETL job scheduling and dependencies. – Developed web apps in AngularJS and ASP.NET for marketing and financial reporting.