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Prethepa Senthilkumar

Prethepa Senthilkumar

Data Analyst

Chennai 1+ yrs exp 83 · Excellent

About

Data Analyst with 2 years of experience delivering data driven business solutions using SQL, Power BI, and Python. Skilled in developing interactive dashboards, writing optimized SQL queries, and leveraging Python for data analysis, automation, and visualization. Experienced in building scalable ETL pipelines and automated reporting workflows that save 15+ hours/month and enable faster, data driven decision making. Adept at requirement gathering, stakeholder collaboration, and translating business needs into actionable insights. Proficient in using Databricks for processing large enterprise datasets. Recognized for combining strong technical expertise with a consulting mindset to deliver measurable business impact.

Skills & Expertise (15)

Python Advanced
8.4/10
2
Years Exp
Power BI Advanced
8.3/10
2
Years Exp
SQL Advanced
8.1/10
2
Years Exp
Databricks Intermediate
7.9/10
2
Years Exp
PySpark Intermediate
7.8/10
2
Years Exp
Pandas NumPy MySql SQL Server Teradata DAX scikit-learn Excel Git Microsoft Office

Work Experience

Data Analyst

NielsenIQ

Apr 2022 - Dec 2023

Designed and deployed 10+ high impact Power BI dashboards, enabling leadership to reduce report turnaround time by 40% and make data driven strategic decisions. Extracted, transformed, and analyzed large datasets using SQL, Python, and PySpark, improving data accuracy, scalability, and reliability for operational and financial reporting. Automated recurring reports and workflows with Python (pandas, NumPy), saving 15+ hours/month and allowing teams to focus on strategic analytics initiatives. Built scalable ETL pipelines in Databricks using PySpark, ensuring consistent, high-quality data for downstream analytics and reducing manual errors by 25%. Partnered with stakeholders to translate business requirements into actionable analytics solutions, improving reporting relevance and decision making speed. Monitored and enhanced data quality metrics using Python and SQL, reducing reporting errors by 20% and increasing stakeholder confidence. Performed ad-hoc analysis and trend identification using Python, supporting business initiatives and influencing marketing and operational strategies. Developed predictive analytics and trend forecasting models to support growth opportunity identification and resource optimization, directly aiding strategic business decisions.

Education

Bachelor of Computer Science - PSGR Krishnammal College

- · Afghanistan

Certifications

No certifications added yet

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Profile Score Breakdown

📷 Photo 10/10
📄 Resume 10/10
💼 Job Title 10/10
✍️ Bio 10/10
🛠️ Skills 20/20
🎓 Education 10/10
⏱️ Experience 8/15
💰 Rate 0/5
🏆 Certs 0/5
Verified 5/5
Total Score 83/100

Profile Overview

Member sinceMay 2026

Skills (15)

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