Greyce Costa

Built and optimized Medallion Architecture (Bronze/Silver/Gold) for Genial Investimentos (financial client), improving Anti-Fraud, Enablement, and CRM pipelines with better performance and storage efficiency. Orchestrated pipelines with Asset Bundles, automated documentation and Unity Catalog integration, migrated legacy datasets, cut ingestion costs by 80% through AppFlow vs JDBC benchmarking, and mentored an intern in Spark and Databricks best practices.

Designed data architectures for customer analytics (RFV, loyalty, satisfaction), built automated Databricks pipelines for large-scale ingestion and transformation, optimized workflows cutting costs by 40%, led Unity Catalog table migration with minimal production impact, and trained engineers to ensure smooth adoption.

Created unified customer interaction tables by integrating multiple sources, developed efficient Spark + Python ETL pipelines, built Grafana-based monitoring to ensure data integrity and availability—reducing downtime and improving reliability—refactored pipelines cutting processing time by 40%, and collaborated with cross-functional teams to meet analytics needs.

Data Engineer (Consultant) for Via Varejo (Retail) and CERC (Finance): Via Varejo – Azure (Data Factory, Databricks, PySpark), Data Lake. CERC – GCP (Dataproc, Composer, Dataflow, BigQuery, Spanner, Storage), Python, PySpark, SQL.

Construction of pipelines and other solutions that require data collection, preparation, storage and processing steps. In addition, designing, modeling, structuring, inserting, modifying and retrieving structured or unstructured data efficiently, building queries and optimizing databases, either in relational or non-relational approaches.

The Electrical Engineering course aims to train professionals capable of designing, developing, operating and maintaining electrical and electronic systems and devices. During the course, students acquire knowledge in mathematics, physics, electronics, power systems, automation, control, communications and other related disciplines.

Telecommunications and IT