TEJESWAR A

TEJESWAR A

Data Scientist
India
Tamil, Telugu, English

About Me

Final-year B.E. ECE student (CGPA: 8.78) from Velammal Institute of Technology, Chennai, with internship experience in Data
Science. Skilled in Machine Learning, Deep Learning, NLP, and Generative AI with hands-on exposu…

Experience

Data Science Intern

Nextskill interns · Bangalore, India
Nov 2025 - Jan 2026 · 2 months

Performed data preprocessing and EDA on a 7,000+ row real-world dataset using NumPy and Pandas to deliver data-driven insights. • Built end-to-end visualizations (confusion matrices, heatmaps, feature importance) using Matplotlib and Seaborn across 2 production-level projects. • Developed and evaluated machine learning recommendation system prototypes using Scikit-learn in a real-world R&D environment. • Leveraged Generative AI and automation to optimize data pipelines and workflows beyond core project scope.

Data Science Intern

NoviTech R&D Private Limited, Coimbatore
Dec 2025 - Jan 2026 · 1 month

Applied Python (NumPy, Pandas, scikit-learn) for data preprocessing, cleaning, and exploratory analysis
Conducted data visualization using Matplotlib/Seaborn to derive actionable insights
Collaborated on recommendation system prototypes and explored generative AI concepts
Demonstrated strong problem-solving, analytical reasoning, and commitment to learning emerging AI tools

Data Science Intern

NextSkill Interns, Bangalore
Dec 2025 - Jan 2026 · 1 month

Applied Python (NumPy, Pandas, scikit-learn) for data preprocessing, cleaning, and exploratory analysis
Conducted data visualization using Matplotlib/Seaborn to derive actionable insights
Collaborated on recommendation system prototypes and explored generative AI concepts
Demonstrated strong problem-solving, analytical reasoning, and commitment to learning emerging AI tools

Full Stack Development Intern

Full Stack Development Intern
Mar 2026 - Apr 2025 · 11 months

Completed a one-month intensive internship focused on Full Stack Development under industry guidance
Worked with technologies like HTML, CSS, JavaScript, React.js, Node.js, and MongoDB to build scalable web applications

PROJECTS

Customer Churn Prediction & Insights Dashboard

Duration : 28-Feb-2026 - 06-Mar-2026

Built an end-to-end ML pipeline on real telecom data to predict customer churn using Random Forest classifier. • Performed EDA, data cleaning, label encoding, and feature engineering on 7,000+ customer records. • Achieved 79% accuracy and 69% ROC-AUC; saved 5 insight charts including confusion matrix and feature importance plots.

Certifications

AWS Foundations: Machine Learning Basics

Velammal Institute Of Technology · Chennai, India · 2025

Skills

Python Problem Solving Git and GitHub NumPy SciPy TensorFlow Tableau HTML CSS JavaScript React.js Node.js MongoDB Matplotlib LangChain Power BI SQL Algorithms Seaborn
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