Rajnish Kumar
Data Analyst | SQL | Python | Power BI | Excel
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About
Results-driven Computer Science graduate specializing in Data Analytics and Predictive Modeling. Proficient in executing end-to-end data cleaning, exploratory data analysis (EDA), and data modeling using SQL, Python, and Power BI. Adept at designing optimized analytical data pipelines, writing complex database queries (CTEs, Joins, Subqueries), and deploying structured machine learning frameworks to transform raw information into actionable business intelligence and strategic, data-driven decisions.
Experience
Data & Backend Developer - Rooman Technologies - Bengaluru, India
(2024-09 - 2025-02)
- Optimized backend database query logic, boosting reporting execution efficiency by 20%.
- Reduced query latency by 30% by deploying automated data validation workflows.
- Maintained enterprise database operations, ensuring compliance with data quality frameworks.
- Built ETL pipelines using SQL scripts (Joins, CTEs) to clean and transform raw staging data.
Education
B.E. - Computer Science - HKBK College of Engineering (2021-08 - 2025-04)
