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Rohit Jaiswal

@rohitjaiswal1

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Data Analyst specializing in SQL optimization, automated data pipelines, and interactive dashboards.

India

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What I'm looking for

A small team where the data work is real SQL queries that answer actual business questions, dashboards that people check regularly, and someone senior enough to tell me when I'm doing it wrong. I don't need a fancy title. I need a place where I'm actually working with data from day one.

Detail-oriented Data Analyst with over three years of professional experience managing relational databases, constructing automated pipelines, and designing interactive visualization dashboards. I optimize complex SQL queries and script in Python to clean and restructure multi-source transactional datasets.

I build systemic data validation workflows to catch anomalies and reporting discrepancies early. From advanced SQL (window functions and CTEs) to automation with Python (Pandas) and VBA, I re-engineer repetitive manual processes into reliable reporting pipelines.

Experience

Work history, roles, and key accomplishments

Data Analyst

Cognizant Technology Solutions

Oct 2022 - Mar 2026 (3 years 5 months)

Optimized relational database queries using advanced SQL (window functions and CTEs) to parse and structure weekly performance metrics for executive reporting. Built automated data validation and Python/VBA reporting pipelines to reduce manual tracking effort and improve early detection of formatting and tracking errors.

Window Functions Relational Databases Data Validation Data Auditing VBA Report Automation KPI Reporting Data Reconciliation