Tulsi Thakur is an experienced Data Engineer currently working at Amazon, where she has resolved critical automation bugs saving significant on-call engineering time and has led the end-to-end development of an ETL pipeline for the External Fulfillment (Finance) team, enabling potential $20M+ annual transportation cost optimization for India by onboarding and transforming over 19 source datasets. Prior to this, as a Data Analyst at ZS Associates, she optimized product positioning strategies resulting in a 15% increase in sales and 10% ROI, and collaborated on data-driven strategies for Viatris. As a Database Engineer at Birlasoft, she managed the lifecycle of an employee management system and developed a user-friendly GUI, leading to a 20% increase in system usability. Her earlier experience as a Data Engineer Intern at Amazon involved designing and deploying an ETL pipeline for over 8000 internal users, consolidating more than 1000 source tables, and migrating 284 subscriptions, reducing storage costs by approximately 7925 TB. She possesses strong technical skills in Python, SQL, SparkSQL, Databricks, Data Modeling, Data Warehousing, ETL Pipeline development, and SQL Query Optimization. Her primary achievements include: Google PM Apprenticeship selection (out of 18K+ applicants), Flipkart Hackathon top 5%, Microsoft Student Partner (1K+ global applicants).