Independent Data Analyst Freelance · Oct 2024 – Present · Hyderabad, India • Analyzed complex, multi-source datasets using SQL and Python (Pandas, NumPy) to surface actionable business insights for clients across retail, finance, and e-commerce domains. • Optimized SQL query performance by 40% through stored procedures, indexing, and custom functions, reducing reporting lag for client dashboards. • Built and delivered interactive Power BI and Tableau dashboards tracking KPIs across sales, revenue, and operations — directly contributing to a 20% revenue uplift for a key client. • Automated end-to-end reporting pipelines using Python and Excel Power Query, cutting manual reporting effort by 40% and improving data delivery speed. • Performed Exploratory Data Analysis (EDA) on financial and transactional datasets to detect trends, outliers, and anomalies , enabling proactive decision-making for clients. • Cleaned, transformed, and validated datasets using SQL, Python, and Excel as part of structured ETL workflows, improving data accuracy and consistency by 30%. • Collaborated with clients to gather requirements, translate business questions into analytical frameworks, and present findings to non-technical stakeholders through data storytelling.