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Shabreen

Data Analyst

About

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Work Experience

2022 - Present
Data Analyst
Tata Consultancy Services Limited

• Performed data analysis and Exploratory Data Analysis (EDA) on large-scale market, operational, and financial datasets (100K+ records) 

to identify trends, patterns, and performance drivers.

•Developed and maintained Power BI dashboards, data visualizations, and KPI reports, improving reporting efficiency and reducing 

decision-making time by 25%.

• optimized SQL queries, joins, and data pipelines for data extraction, data transformation, and data loading (ETL) processes with 99% 

data accuracy.

•Utilized Advanced Excel (Power Query, Pivot Tables, XLOOKUP) for data cleaning, data validation, and automated reporting, reducing 

manual effort by 40%.

•Applied Python (Pandas, NumPy) for data preprocessing, data wrangling, and workflow automation to enhance analytical efficiency.

•Conducted data validation, data reconciliation, and quality assurance checks across multiple systems to ensure reliable business 

intelligence outputs.

•Collaborated with cross-functional teams including FP&A, Product, Operations, and IT to gather requirements, provide stakeholder 

reporting, and deliver business intelligence solutions.

•Created performance reports, dashboards, and presentations to communicate insights and support data-driven decision-making.

•Worked in an Agile environment, including sprint planning, iterative development, and stakeholder reviews.

•Contributed to process improvement, report automation, and reporting framework optimization initiatives.

• Ensured data governance, documentation, and adherence to reporting standards for consistency and audit readiness.

•Delivered clear, concise analytical insights to technical and non-technical audiences, supporting leadership in making data-driven decisions.

Education & Training

2023 - 2025
MCA
Jain University
Built a strong foundation in data analysis, statistics, and database management. Worked on academic projects involving SQL, Python, and Excel for data analysis and reporting. Gained hands-on experience in data visualization using Power BI/Tableau. Developed analytical and problem-solving skills to interpret data and support decision making.

https://shabreensowkathali-bt6dmv6.gamma.site

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