JayaSuriya A.D.

Decision Scientist

Mu Sigma•  July 2022 - September 2024•  bangalore

Generated high-impact quarterly reports by analyzing customer engagement and loyalty data across various verticals, contributing to an average revenue increase of $500,000 AUD for a loyalty agency. Provided demographic participation indexing (ethnicity, geography, lifestyle) to suppliers, offering insights into their most loyal customers to drive better decision-making. Performed basket mix analysis to assist suppliers in understanding customer purchasing behaviors, facilitating cross-product acquisition strategies. Technologies Used: Sql, Excel, Snowflake. Extracted and transformed uncleaned data from Azure Data Lake using PySpark, SQL, and Python, loading cleaned data back for optimised performance. Maintained and automated ETL pipelines, significantly reducing manual intervention and improving data processing efficiency. Implemented data governance policies to ensure data quality, consistency, security, and compliance with regulatory requirements. Collaborated with data analysts and stakeholders to meet business data needs, enhancing accuracy and relevance. Reduced the time for end users to develop models by providing clean, structured data, boosting overall productivity. Documented ETL procedures for future reference, contributing to improved data quality and more accurate business insights. Re-pipied the products developed by the team into mesh, by leverage the mesh principles.