About
I am Rahul Sahani Data Science enthusiast with hands-on experience in SQL, Python, and Power BI. Skilled in statistical analysis, data cleaning, database management, and data visualization using Matplotlib and Seaborn. Experienced in transforming raw and complex datasets into meaningful insights to support data-driven decision-making. Passionate about applying analytical thinking and problem-solving skills to solve real-world business challenges while continuously learning and improving technical expertise.
Skills & Expertise (22)
Work Experience
Data Science Intern
British Airways
Nov 2024 - Jan 2025
Scraped review data using BeautifulSoup to gather customer feedback from websites. Analyzed over 5,000 customer reviews; built a sentiment analysis model that accurately categorized feedback with 90% precision, highlighting key areas for improvement. Presented findings to a team of five senior data scientists, resulting in a 30% increase in service efficiency due to clear, data-backed recommendations. Identified a 30% surge in negative sentiment through data visualization, triggering a targeted operational review.
Data Analyst Intern
Tata Consultancy Services (TCS)
May 2025 - Jun 2025
Utilized Excel, SQL, Power BI, and Python to analyze complex datasets and deliver actionable insights. Achieved a 15% improvement in data processing efficiency by building automated Python scripts for data cleaning and ETL, reducing manual effort. Developed an interactive Power BI dashboard tracking key performance metrics, enabling stakeholders to identify trends 25% faster.
Data Science Intern
Boston Consulting Group X (BCG - X)
Aug 2025 - Sep 2025
Executed a Customer Churn Prediction project using EDA, feature engineering, and machine learning in Python and Power BI, enhancing analytical capabilities. Improved dataset reliability by 20% through cleaning and preprocessing of 10,000+ records. Developed a churn prediction model and dashboard that identified high-risk segments, achieving a 5% reduction in churn. Presented data-driven insights that supported strategic decisions, contributing to a 10% improvement in retention strategy effectiveness.
Education
Bachelor of Technology (B.Tech) - I.K. Gujral Punjab Technical University
2022 - 2026 · Afghanistan
Certifications
Microsoft Power Bi
Udemy · 2025
Python Programming A-Z Definitive Diploma
Udemy · 2025
Machine Learning
Udemy · 2025
Data Science
PW SKILLS · 2025
Data Science
Scaler · 2024
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Availability Details
Visa Status
H1B
Relocation
Open to Relocation
Skills (22)
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