---
title: "Umashankar Prajapati - SQL Annotator in Indore | Tal"
description: "Meet Umashankar Prajapati, Data Analyst | SQL | Python | Power BI | Tableau | Product Analytics | IIT Jodhpur | Ex-Sepal AI based in Indore. AI stack includes codex, cursor, and opencode."
image: "https://tal.club/meet/umashankar-prajapati/share-image"
---

# Umashankar Prajapati on Tal

## Headline

Data Analyst \| SQL \| Python \| Power BI \| Tableau \| Product Analytics \| IIT Jodhpur \| Ex\-Sepal AI

## About

I'm a Data Analyst with a B\.Tech in Chemical Engineering and a Minor in Management from IIT Jodhpur, passionate about transforming data into actionable business insights\. My experience spans SQL, Python, Power BI, Tableau, Excel, and product analytics, with a focus on solving real\-world business problems through data\. At Sepal AI, I enhanced Text\-to\-SQL AI models by validating complex SQL queries, reviewing business logic, and improving the accuracy of AI\-generated analytical outputs\. At IIT Jodhpur, I contributed to the development of an analytics\-driven library management platform, where I helped define product requirements, built dashboards, and optimized SQL and MongoDB data pipelines, reducing API latency by 83%\. Through internships and projects, I've worked on customer segmentation, cohort analysis, funnel analysis, KPI dashboarding, sales analytics, and user behavior analysis to uncover insights that support data\-driven decision\-making\. I enjoy collaborating with cross\-functional teams to translate business questions into measurable outcomes\. Core Skills: SQL • Python • Power BI • Tableau • Excel • Data Analysis • Data Visualization • Product Analytics • Funnel Analysis • Cohort Analysis • KPI Reporting • MongoDB • Statistics • Agile I'm actively seeking opportunities in Data Analytics, Business Analytics, Product Analytics, and BI, where I can leverage data to solve meaningful business challenges and create measurable impact\.

## Location

Indore

## AI stack

codex

cursor

opencode

## Work experience

SQL Annotator at Sepal AI, Oct 2025 \- Mar 2026 · 6 mos, Remote, Enhanced Text\-to\-SQL AI models by validating complex SQL queries\. Reviewed AI\-generated SQL to improve accuracy and reduce hallucinations\. Worked with activation, retention, and growth metrics\. Strengthened business logic understanding across analytical use cases\.

## Education

Bachelor of Technology \- BTech, Chemical Engineering, Indian Institute of Technology Jodhpur

Minor, Management, School of Management and Entrepreneurship, IIT Jodhpur

[View the original profile](https://tal.club/meet/umashankar-prajapati)

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