---
title: "Yash Parashar - ETL Tester in Bengaluru | Tal"
description: "Meet Yash Parashar, ETL & DWH Tester | 4+ Yrs in BFSI Domain | SQL | Data Validation | Tata Consultancy Services (TCS) | Driving Data Quality & Insights based in Bengaluru."
image: "https://tal.club/meet/yash-parashar/share-image"
---

# Yash Parashar on Tal

## Headline

ETL & DWH Tester \| 4\+ Yrs in BFSI Domain \| SQL \| Data Validation \| Tata Consultancy Services \(TCS\) \| Driving Data Quality & Insights

## About

As an experienced IT Tester with over 4 years of hands\-on expertise in ETL Testing, Data Warehousing, and Database Validation, I specialize in ensuring data accuracy, integrity, and completeness across complex enterprise systems—particularly in the BFSI domain\. I’ve worked on large\-scale data initiatives using strong SQL scripting, end\-to\-end testing strategies, and Agile methodologies to deliver reliable data solutions\. My role bridges the gap between data engineering and quality assurance, helping organizations make confident, data\-driven decisions\. Currently working at Tata Consultancy Services \(TCS\), I’m well\-versed in ETL tools, defect management, and collaborating across offshore–onshore teams to meet tight delivery timelines\. I take pride in my detail orientation, problem\-solving mindset, and ability to adapt in fast\-paced environments\. 🔹 Key Skills: ETL Testing \| Data Warehouse Validation \| SQL \| BFSI Domain \| Test Case Design \| Agile \| Data Quality \| Defect Triage Let’s connect if you’re looking for a results\-driven QA professional with a strong foundation in enterprise data systems\.

## Location

Bengaluru

## Work experience

ETL Tester at Tata Consultancy Services, May 2022 \- Present · 4 yrs 1 mo, Bengaluru, Karnataka, India, Domain: BFSI \(Banking & Financial Services\) Key Responsibilities: Performed end\-to\-end ETL and Data Warehouse testing on enterprise\-level projects\. Validated data completeness, transformation logic, and integrity across multiple data sources and layers\. Wrote and executed complex SQL queries for data extraction, comparison, and validation to ensure accurate ETL load and transformation\. Conducted Database Testing involving data reconciliation, data quality checks, and business rule validations\. Participated in Agile ceremonies including sprint planning, stand\-ups, retrospectives, and defect triages\. Collaborated across offshore–onshore teams to align on requirements, defect fixes, and testing timelines\. Utilized tools like JIRA, qTest and Bitbucket for test case management, defect tracking, and reporting\. Key Achievements: Played a key role in delivering defect\-free releases for critical banking modules\. Reduced data discrepancies by proactively identifying transformation issues in staging and reporting layers\. Improved test coverage and traceability through comprehensive test cases and reusable SQL scripts\.

## Education

Bachelor of Technology \(B\.Tech\), Computer science and engineering, Dr\. A\.P\.J\. Abdul Kalam Technical University Uttar Pradesh

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

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