Sasi Kumar

Data Analyst with 1+ years of internship experience in Data Analytics and Full Stack Development. Skilled in SQL, Python, Advanced Excel, Power BI, Tableau, and JavaScript, with hands-on experience in data extraction, cleaning, transformation, visualization, dashboard development, and ETL processes. Experienced in building interactive Power BI dashboards, automating reports, performing exploratory data analysis (EDA), and developing MIS reports to support data-driven business decisions.

Strong analytical, problem-solving, and stakeholder communication skills with a passion for delivering actionable business insights.

Data Analyst - Scholar Logic - Bangalore

(2025-01)

• Analyzed HR data for over 1,470 employees to identify workforce trends, employee attrition patterns, and key business insights.
• Extracted, cleaned, transformed, and validated large datasets using SQL, Python, and Advanced Excel to support reporting and business analytics.
• Developed interactive Power BI dashboards to monitor KPIs including employee attrition, active employees, department-wise performance, salary distribution, education level, job satisfaction, and age-group analysis.
• Automated data preprocessing and ETL workflows using Python (Pandas and NumPy), reducing manual data preparation effort by approximately 40%.
• Designed and maintained a normalized data model in Power BI by establishing efficient table relationships, improving report performance, scalability, and data accuracy.
• Wrote optimized SQL queries using joins, subqueries, CTEs, aggregate functions, and window functions to improve data retrieval performance by approximately 30%.
• Performed exploratory data analysis (EDA) to identify trends, correlations, missing values, outliers, and factors contributing to employee attrition.
• Conducted data validation, reconciliation, and quality assurance checks to ensure accurate and consistent reporting across multiple datasets.
• Created automated MIS reports and KPI dashboards for business stakeholders, improving reporting turnaround time and supporting timely decision-making.
• Developed DAX measures and calculated columns to generate business metrics, trend analysis, and customized reporting requirements.
• Utilized Power Query to clean, merge, reshape, and transform raw datasets before loading them into the Power BI data model.
• Collaborated with mentors and project teams to gather reporting requirements, understand business objectives, and deliver analytical solutions.

MCA - Computer Applications - Jawaharlal Nehru Technological University, Anantapur (2023-01 - 2025-12)