Vishnu V is an experienced data engineer with a comprehensive background in data-related roles across multiple esteemed companies. Currently, Vishnu serves as an AWS Data Engineer at Vanguard since December 2019. Prior to this, a role as Senior Data Engineer was held at Tech Mahindra for a brief period in late 2019. Vishnu's experience also includes a significant tenure at UnitedHealth Group from September 2014 to April 2019, where responsibilities involved building Spark applications for data validation and reconciliation, along with managing Spark job submissions in a cluster environment. Earlier experience includes serving as a Senior Software Engineer at CGI from December 2011 to September 2014, focusing on ETL processes and integrating data into Enterprise Data Warehouse databases using various technologies. Vishnu began the professional journey as a Software Engineer at CoreLogic from January 2007 to April 2011, contributing to web UI design and the development of data access and business layers using .NET technologies.