Nayan Chatterjee

Background

About Nayan Chatterjee

Passion for exploring challenges and opportunities in domestic and new markets in Finance & Tax Domain & leading high-performance product teams by effectively influencing cross functional teams and executive leadership and delivering amazing customer experiences for leading edge products in Finance and Tax. Deep experience with US & International Finance & Tax for e-commerce ( Multi channel, 1P, 3P, Streaming Services, Grocery, Clubs ) & Brick & Mortar Stores. Deep domain knowledge in end to end data journey from transactional systems to filing returns, controversies, HFM consolidation, reconciliation between multiple data sources and building interactive dashboards and reports for C level executives- Leading International Finance Team in Finance Data Collection, Transformation, Curation & Reporting (includes data from multiple sources like HFM/Essbase/SAP/Teradata/Db2 systems) in Azure Data-Lake as a single source of truth for all finance data required for consolidation, reconciliation and reporting- Leading implementation of Finance Planning, Budgeting & Forecasting Tool OneStream - Implemented Vertex Tax Collection Engine for Walmart ecommerce (1P), Marketplace (3P), Sams Club, Grocery & Vudu- Implemented Vertex Tax Returns filing engine - Implemented Home Grown “Global Tax Controversy Portal” with reporting at CTO level with drill down capability at Market & Segment Level- Implemented tools and data platforms for collecting, curating and reporting on Capitalization of Global IT Expense. Technology - Hadoop/Teradata/HFM/SAP/Essbase/Python/Azure Data Factory & Data Bricks / Vertex / SQL Server 2016/DB2/Alteryx/Tableau/Power BI/JIRA/Confluence