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Vishal Kumar

@vishalkumar56

Data Analyst building AI-powered BI tools that turn natural-language questions into SQL queries and interactive visualizations.

India

Message

I built an AI-assisted BI analytics copilot that uses LangChain and the Google Gemini API to translate natural-language questions into SQL queries. It lets non-technical users query relational databases in plain English and view dynamic charts in Streamlit.

For my Power BI, SQL, and Python video game sales project, I structured more than 15,000 historical sales records and created a dashboard with custom DAX metrics. The analysis found that Action and Shooter genres generated over 38% of total global market revenues.

I also analyzed sales and election data using Excel, SQL, and Power BI. My projects include an executive sales dashboard that examined $645.2K in revenue and an analysis of 2024 India general election results across 543 constituencies.

Experience

Work history, roles, and key accomplishments

Data Visualization Analyst

Tata Group

Created executive dashboard visualizations in Power BI to track key revenue performance metrics and communicate business growth opportunities to stakeholders.

Power BI Data Visualization KPI Reporting

Data Analyst

Deloitte Australia

Processed and cleaned multi-sourced operational data using Excel Power Query and SQL to categorize transaction anomalies and forensic findings for team review.

Power Query SQL Data Cleaning Data Processing

Education

Degrees, certifications, and relevant coursework

TopMentor

Data Science & Generative AI Program, Data Science and Generative AI

Completed a Data Science and Generative AI program with a curriculum focused on advanced SQL, Python data analytics, Power BI data modeling, and Gen AI applications.