Vaibhav Tiwari

Data Intern

Crowe Capability Center

Feb 2026 - Jul 2026

Built end-to-end ETL/ELT pipelines using Azure Data Factory, Snowflake, dbt, SQL, SSMS, and Azure DevOps, integrating source extraction, transformation, and data validation to process 4k+ records and deliver reporting-ready datasets for Power BI analytics. Developed and enhanced full-stack web application features using React.js, backend services, and SQL Server (SSMS), delivering scalable solutions and improving overall application performance by 15%. Optimized SQL stored procedures, query performance, and React state management, reducing average backend response times by 200 ms and improving page load speeds by up to 3 seconds. Deployed secure Role-Based Access Control (RBAC) and authorization mechanisms, ensuring controlled access to application resources and strengthening application security. Architected a Data Governance AI Chatbot with conversational memory, token usage optimization, and a reusable page-aware assistant popup, enabling contextual user support across the application. Embedded a reusable page-aware chatbot assistant popup across multiple application screens, providing contextual guidance and enhancing user engagement.