Sachin Nandanwar

Data Analyst with hands-on experience in SQL (CTEs, Window Functions, Query Optimization), Python, and Advanced Excel. Skilled in analyzing large-scale datasets to identify operational risks, anomalies, and performance trends. Proven track record in building automated data workflows, data validation pipelines, and interactive dashboards to drive quality assurance and risk mitigation.

Data Science Intern at The Developers Arena (2026-03 – 2026-05)

• Built automated data validation and cleaning workflows in Python (Pandas) to process and structure raw datasets, reducing manual reporting overhead and operational risk.
• Performed exploratory data analysis (EDA) using Python and Advanced Excel to identify exceptions, data quality issues, and trends for stakeholders.
• Partnered with team members to establish data quality protocols, ensuring consistency and accuracy across reporting deliverables.

B.Tech in Information Technology – Oriental College of Technology (2020-01 – 2024-01)