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Preethi Karen

Preethi Karen

Data Science graduate

Visakhapatnam, Andhra Pradesh
80
Profile Score

About

Data Science graduate with experience in Python, Power BI, Excel, and time-series prediction. Cleaned, transformed, and visualized 1000+ records and building interactive dashboards to generate actionable business insights. Analyzes data to support data-driven decision-making and communicates insights to stakeholders.

Skills & Expertise (28)

Data Analysis Advanced
7.7/10
1
Years Exp
Data Cleaning Advanced
7.5/10
1
Years Exp
Pandas Advanced
7.4/10
1
Years Exp
NumPy Advanced
7.3/10
1
Years Exp
Python Intermediate
7.2/10
0.5
Years Exp
Data Analysis & Reporting Intermediate
6.4/10
0.5
Years Exp
SQL Intermediate
6.1/10
0.5
Years Exp
Aggregations Data Cleaning & Preprocessing KPI Tracking & Business Metrics Joins CTEs Data Modeling Pivot Tables VLOOKUP XLOOKUP Advanced Formulas Interactive Dashboards Google Sheets Interactive Reports DAX Reporting Data Visualization KPI Reporting Preprocessing Power BI Excel Dashboarding

Work Experience

Data Science Intern

ExcelR (AI Variant)

Jun 2025 - Dec 2025

Developed and evaluated ARIMA, SARIMA, and Random Forest predictive models in Python, achieving 95% model accuracy with consistent reliability. Cleaned preprocessed, and validated 5,000+ financial records and built a comprehensive Streamlit dashboard for real-time stock analysis. Achieved a high model accuracy with RMSE of 4.69, ensuring reliable and dependable predictions. Performed feature engineering and preprocessing, improving overall model performance by 15%.

Education

B.Tech in Computer Science and Data Science - Raghu Engineering College

2021 - 2025 · Afghanistan

Intermediate (MPC) - Sasi Junior College

2019 - 2021 · Afghanistan

Class X - Lotus High School (CBSE)

2018 - 2019 · Afghanistan

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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 5/15
💰 Rate 0/5
🏆 Certs 0/5
Verified 5/5
Total Score 80/100

Profile Overview

Member sinceFeb 2026

Availability Details

Visa Status

Citizen

Relocation

Open to Relocation

Skills (28)

Data Analysis Data Cleaning Pandas NumPy Python Data Analysis & Reporting SQL Aggregations Data Cleaning & Preprocessing KPI Tracking & Business Metrics +18 more