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Rohit Kumar Raj

Data Analyst and aspiring Data Scientist

Kolkata, West Bengal
70
Profile Score

About

Data Analyst and aspiring Data Scientist with 1+ year of experience transforming complex datasets into actionable insights. Proficient in Python, SQL, and Power BI, Excel with expertise in predictive modeling, statistical analysis, and business intelligence. Skilled at building machine learning models (85% accuracy), developing 10 interactive dashboards that improved reporting speed by 30%, and optimizing SQL pipelines to cut data processing time by 50%.

Skills & Expertise (20)

Python Intermediate
8.1/10
2
Years Exp
SQL Intermediate
7.5/10
2
Years Exp
Excel Advanced
7.3/10
3
Years Exp
R Intermediate
6.8/10
2
Years Exp
Power BI Intermediate
6.6/10
1
Years Exp
CSS HTML Data Modeling ETL Pipelines NumPy Pandas Feature Engineering Classification & Regression Predictive Analytics scikit-learn Seaborn Matplotlib Tableau SQL Server MySql

Work Experience

Technical Sales Advisor & Analyst

Aditya Birla Capital

Mar 2023 - Jul 2024

Analyze over 5,000 customer profiles using Excel tools to locating trends which enhanced sales conversion rates by 18%. Surpassed monthly sales targets by 20-25% via data-backed selling techniques, and educating the benefits of our customer-centric solutions. Reduce the manual analysis time by 30% Using advanced Excel functions (Pivot Tables, VLOOKUP, and Power Query).

Data Science Intern

Prodigy InfoTech

Feb 2025 - Jun 2025

Improved strategy by 30% through analyse 16,400 tweets using NLP to uncover sentiment and peak engagement times. Achieved 81.2% model accuracy by predicting Titanic crew survival using Logistic Regression and feature engineering. Conducted regression analysis on 50,000 unemployment records across 28 states, identifying correlation between transportation access and unemployment. Reduced manual data handling by 40% by automating data pipelines with Python and Seaborn, and created 5+ interactive visualization for enhanced reporting and insights.

Data Science Intern

CodSoft

Aug 2025 - Sep 2025

Achieved 85% accuracy in the IMDB Movie Ratings Prediction model, delivering insights to key factors movie ratings. Built an Iris Flower Classification system with 96% accuracy, enabling reliable and precise species prediction. Analyzed 891 Titanic passenger records, uncovering gender, class, and age as decisive survival factors and providing clear, data-driven insights.

Education

Bachelor of Science - University of Calcutta

- · Afghanistan

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Profile Score Breakdown

📷 Photo 0/10
📄 Resume 10/10
💼 Job Title 10/10
✍️ Bio 10/10
🛠️ Skills 20/20
🎓 Education 10/10
⏱️ Experience 5/15
💰 Rate 0/5
🏆 Certs 0/5
Verified 5/5
Total Score 70/100

Profile Overview

Member sinceFeb 2026

Skills (20)

Python SQL Excel R Power BI CSS HTML Data Modeling ETL Pipelines NumPy +10 more