About
Data Analyst with 4+ years of experience across SQL development, Power BI, Tableau, and Python-based data preparation, Advanced excel and PL/SQL. Experience building dashboards, improving reporting accuracy by 25%, and supporting KPI reporting and automation.
Skills & Expertise (16)
Work Experience
Data Analyst
Tata Consultancy Services
May 2022 - Present
Focused on data extraction, data cleaning, data modelling, and creating interactive dashboards and reports. Designed SQL queries to extract, transform, and analyze large datasets, improving reporting accuracy by 25% and supporting more reliable reporting. Developed and maintained interactive dashboards in Power BI and Tableau to monitor KPIs, sales, and operational performance. Assisted in cleaning and pre-processing raw data using Python libraries (Pandas, NumPy) and Advanced Excel. Write and optimize complex SQL queries using joins, window functions, analytical functions, CTEs, indexes and relationships to improve the performance of query. Collaborate with cross-functional teams to ensure data accuracy and reliability and documented workflows and ensured high accuracy in reporting systems. Specialized in optimizing queries, indexing, creating tables, and loading data from source to target databases. Data replication and automation of data extraction into a required format for loading into ER studio. Write PL/SQL queries using procedures, functions, cursors, triggers to fetch the data and extract to the database.
Education
Civil Engineering - Basaveshwar Engineering College
- 2021 · Afghanistan
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Skills (16)
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