Engineer with 12 years of experience specializing in Data Warehouse and Data Lake solutions and data visualization using Tableau. Proficient with Oracle, Redshift, Hadoop, DynamoDB, and Databricks (Delta Lake), utilizing tools Spark, Hive, Impala, Airflow. Demonstrated expertise in the entire data pipeline, from acquisition to data-marts. Collaborative team player with a history of working closely with analytics, engineering, and other stakeholders to deliver optimized and efficient solutions. Experienced across various business domains, including Retail, Investment Banking, Game Development, Gambling, and Digital Safety.KEY ACHIEVEMENTSRedesigned a Data Warehouse, streamlining from 700+ tables down to 110+, with 20 of them forming the core golden layer.Optimized daily ETL processes for an application had around 15 million DAU and 50 million MAU. Handled data from clients and servers, passing approximately 8 billion events daily, reducing calculation time from 20 to 3 hours.Established clear financial and analytical metrics definitions, ensuring consistent understanding and application across teams.
Listed skills include Databases, Oracle, Database Design, Software Development, and 13 others.