A senior data engineer with over 15 years of experience providing complete business intelligence solutions for medium to enterprise customers. Jefferson’s well versed designing complex data models, implementing massive ETL systems, and developing insightful dashboards / data visualizations. He’s experienced across SQL, NoSQL, Big Data, and Cloud environments.Hire Jefferson
Working on ETL and Data Visualizations projects related to management, and sales. The company collects data from different sales points such as Amazon, BestBuy, and Crutchfield and loads it into an internal data warehouse. After applying some transformations, they show the data in PowerBI dashboards offering a 360o overview of product sales like sales by brand and sales by product category.
Technologies: PowerBI, SQL, Python, Azure Data Factory, Azure DW, SQL Server, Azure, Talend.
Developed a new enterprise business intelligence environment for the largest shoe retailer in Brazil. Responsible for designing the data model, qualifying and extracting data from multiple sources, data transformation, and implementing BI dashboards.
Technologies: Big Data, Oracle, SQL Server, Talend, Tableau, PL/SQL, T-SQL, DB2, MySQL, Cassandra, SAP Hana, MongoDB, Tableau, Qlik, Lumira, PowerBI, Python, Numpy, SciPy, Pandas, DataFrames, DataStage, Pentaho, AWS, Azure, GCP, Machine Learning, Redshift, Looker, Glue, Airflow, S3, Athena
Team lead for new and highly complex Big Data solutions for enterprise environments. Responsible for researching, advising, implementing, developing, and architecting BI solutions with leading technologies like SAP Hana, Hadoop, and Splunk.
Technologies: SAP Hana, Hadoop, Splunk, Cloudera Hadoop, MySQL, DB2, Pentaho
He worked within a customer-facing role providing IT solutions and services with experience in managing sales of database and SAP technology solutions to mid-size and large companies. His role required skills in information architecture, business intelligence, and data management technical leadership. He earned solid experience with presentations to CIOs, CTOS, and Technical POCs.
Technologies: SAP, Oracle, DB2, SQL Server, Sybase, Terada, SAP Hana, Tableau, Hyperion, OBIEE, NetWeaver.