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Data Engineer
Teleperformance • Temps plein
Jun 2022 - Jun 2026 • 4 yrs
Built and maintained ETL/ELT pipelines using ADF, ingesting data from SQL databases, APIs, and flat files into ADLS Gen2. Transformed and cleansed data using Databricks and PySpark; implemented incremental loading and optimized Spark jobs. Built Bronze/Silver/Gold layers with Medallion Architecture and Delta Lake; designed Star Schema models with SCD Type 2. Optimized SQL queries, ensured data quality, and delivered analytics-ready datasets for Power BI reporting.