Abdusamad Obidov
Data engineer
- Role
- Senior Data Engineer at Cintas
- Location
- Cincinnati, OH, US
- LinkedIn followers
- 500 followers
About Abdusamad Obidov
Experienced Senior Full Stack Data Engineer & BI Developer with 8+ years of professional…
Experience
Senior Data Engineer
Feb 2020 — Present · CINCINATI, OH, US
Develop, design data models, data structures and ETL jobs for data acquisition and manipulation purposes. · Develop deep understanding of the data sources, implement data standards, maintain data quality, and master data management. · Worked with various file formats like CSV, JSON, Parquet, and Parquet. Used Python and PYSPARK in Synapse notebooks to efficiently process huge amounts of data and load them into delta lake silver layer. · Utilized Delta caching for faster data processing using Databricks and PYSPARK. · Worked on improving poorly performing PYSPARK code by using coalesce, repartition, query hints, broadcast joins, and delta caching. · Involved in optimized Delta tables by using Optimize command and applying Z-Order Clustering.
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