Available for Opportunities

Gangumalla
Hema Malini

Data Scientist

Building the future of AI. Specializing in intelligent systems that turn raw data into real-world impact.

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Hyderabad, India

Who I Am

About Me

Hema Malini
Hyderabad, Telangana, India

Hi! I'm Gangumalla Hema Malini, a dedicated Data Scientist with experience in building end-to-end ML pipelines, deep learning models, and NLP systems. My work focuses on real-world applications of AI.

Education B.Sc. Computer Science, ASN Degree College for Women
Focus Areas Data Science | AI/ML | Deep Learning | NLP | GenAI

My Toolkit

Skills & Technologies

Programming

Python

Data Analysis & Visualization

Pandas NumPy Matplotlib Seaborn EDA Data Cleaning Data Visualization Feature Engineering Statistical Analysis

Machine Learning

Scikit-learn Regression Classification Clustering Decision Tree Random Forest Gradient Boosting XGBoost KNN Naive Bayes SVM SMOTE Cross-Validation Hyperparameter Tuning Model Evaluation

Deep Learning

TensorFlow Keras ANN CNN RNN Bi-Directional RNN LSTM GRU Transfer Learning (VGG16, ResNet)

NLP & GenAI

NLTK spaCy Tokenization Lemmatization Stemming Word Embeddings NER TF-IDF LangChain ChromaDB HuggingFace Embeddings Groq Ollama pgvector RAG Pipelines Prompt Engineering

Deployment & Tools

Streamlit Flask FastAPI Git GitHub Jupyter Notebook Google Colab pickle

Databases

SQL PostgreSQL

My Journey

Experience Timeline

Jan 2025 – Dec 2025

Data Science Intern

Vihara Tech | Hyderabad, India

  • Built and deployed end-to-end ML pipelines covering data collection, preprocessing, feature engineering, model training, and evaluation.
  • Developed and optimized classification models using hyperparameter tuning and cross-validation.
  • Addressed class imbalance using SMOTE to improve model reliability.
  • Evaluated models using Accuracy, Precision, Recall, F1-Score, and ROC-AUC.
  • Deployed real-time Machine Learning applications using Streamlit.
Apr 2023 – Jul 2023

Python Programming Intern

E-Pro Academy | Rajahmundry, Andhra Pradesh, India

  • Learned and practiced core Python concepts including OOP, functions, data structures, debugging, and code optimization.
Nov 2022 – Dec 2022

TCS Youth Employment Program Intern

Tata Consultancy Services (TCS) | Hyderabad, Telangana, India

  • Participated in corporate communication, professional behavior, and teamwork training.

Academic Background

Education

Jan 2020 – Sep 2023

Bachelor of Science in Computer Science

ASN Degree College for Women | Amalapuram, India

CGPA: 8.98 / 10

Selected Work

Featured Projects

Featured

Credit Risk Prediction

Built a credit-risk classification pipeline using SMOTE, multiple ML models, and Streamlit deployment.

View on GitHub
GenAI

AI PDF Q&A System (RAG + LLM)

Built a document question-answering system using LangChain, ChromaDB, HuggingFace embeddings, and Groq-hosted LLaMA.

View on GitHub
NLP

NLPSQL Engine

Built an offline natural-language-to-SQL engine using Ollama, pgvector, FastAPI, and PostgreSQL.

View on GitHub

More Work

Other Projects

Customer Churn Prediction

Food Image Classifier

Sentiment Analysis

Spam Detection

Image & Video Preprocessing App

Titanic Survival Prediction

News Article Summarizer

Next Word Prediction

Credentials

Certifications & Achievements

Explore My Background

Download My Resume

A full breakdown of my experience, projects, and certifications.

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Get in Touch

Let's Connect

Have a project in mind? Let’s build something impactful.