Sahil Khan

Optimized complex SQL queries using CTEs and window functions, improving execution time by 25% Developed Python-based ETL pipelines integrating APIs, CSV files, and SQL databases. Built Power BI and Tableau dashboards with dynamic KPIs, improving decision-making efficiency by 30%.

Data Analyst - Intern - VerifyU Solutions Pvt. Ltd.

(2025-11 - 2026-01)

• Optimized complex SQL queries using CTEs and window functions, improving execution time by 25%
• Developed Python-based ETL pipelines integrating APIs, CSV files, and SQL databases.
• Built Power BI and Tableau dashboards with dynamic KPIs, improving decision-making efficiency by 30%.
• Automated Excel reporting using VBA and Power Query, reducing manual effort by 40%.

Data Analyst - Intern - Konrad Group India Pvt. Ltd.

(2025-09 - 2025-11)

• Used SQL queries to extract and analyze large datasets from multiple relational databases, enabling data-driven decision-making and improving reporting accuracy by 16%.
• Improved SQL query performed by 3x through indexing, query optimization, and execution plan analysis.
• Cleaned, transformed, and validated large datasets using Python (Pandas, NumPy).
• Created KPI dashboards using Excel and Power BI for business performance tracking.

Data Analyst - Trainee - DUCAT India

(2025-01 - 2025-09)

• Performed Data manipulation and analysis using Python (Pandas, NumPy) to clean, transform, and analyze large datasets.
• Used MySQL to write complex SQL Queries (FUNCTIONS, JOIN, GROUPBY, CTEs) for data extraction and reporting.
• Analyzed datasets using Advance Excel (VLOOKUP, XLOOKUP, Pivot Tables).
• Built interactive dashboard and report in Power BI using DAX, Power Query and data modeling Technique.

Bachelor of Technology - Computer Science & Engineering - Dr. A.P.J Abdul Kalam Technical University (2025-08)