Madhuleena Bhattacharyyaa
Data Analyst
About
Experienced in building dashboards, data models, and analytical reports using Power BI (DAX, Power Query), SQL Server (CTEs, JOIN, Stored Procedures, Aggregate, subqueries, window functions), and MS Excel (Pivot Tables, Power Pivot). Hands-on experience through a data analyst internship at ZenYData Technologies and three self-driven projects covering OTT analytics, sales reporting, and hardware data analysis. Seeking a full-time data analyst role to deliver actionable insights for business decisions.
Skills & Expertise (21)
Work Experience
Data Analyst Intern
ZenYData Technologies Pvt. Ltd.
May 2023 - Sep 2025
Executed complex SQL queries to validate data integrity loaded into the Enterprise Data Warehouse, ensuring 100% accuracy between source systems and main tables. Audited backend data against business logic defined in Stored Procedures to confirm data transformations met project requirements. Developed a Power BI Dashboard to analyze and visualize sales and financial data for a client, using Power Query for ETL, data modeling, and DAX for calculated columns and measures. Validated ADF pipelines covering Copy, Metadata, Stored Procedure, ForEach, If Condition, and Switch activities; familiar with full load and incremental load concepts through internship training.
Non-technical experience
Cube Consultancy services
22nd September 2025 - Mar 2026
Built a monthly hiring progress report in Excel from multiple sheets using concepts like LOOKUP functions like VLOOKUP, Index-Match, SUMIFS, countifs, FILTER, nested IFs, Pivot Tables, slicer, charts, conditional formatting, etc. Independently upskilled in Advanced Excel through self-directed learning and a personal analytics project outside of work.
Education
MBA in Digital Marketing - Bengal Institute of Business Studies
2020 - 2022 · Afghanistan
B.Sc in Computer Science (Honours) - Rastraguru Surendranath College
2016 - 2020 · Afghanistan
Certifications
Excel: Mother of Business Intelligence
· 2023
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Skills (21)
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