Maheedhar Reddy Chitiki
Data Scientist |Machine Learning Engineer|Generative AI
Paris
Summary
Results-driven Data Scientist with 9+ years of overall experience, including 4 years in data science and prior experience in Human Resources (2015-2020). Specialized in machine learning, NLP, recommendation systems, predictive analytics and Generative AI. Experienced in building LLM-powered systems, Retrieval-Augmented Generation (RAG) pipelines and scalable ML models in production.
Overview
9
9
years of professional experience
1
1
Language
Work History
RAG-Based Enterprise Knowledge Assistant
Katalix Solutions Private Limited
01.2025 - Current
- Enterprise Knowledge Platform.
- Designed and implemented a Retrieval-Augmented Generation (RAG) pipeline for enterprise document search and question answering.
- Built semantic search pipelines using vector embeddings to retrieve relevant documents.
- Implemented document chunking and embedding strategies to improve retrieval accuracy.
- Applied prompt engineering techniques to improve response quality and contextual understanding.
- Integrated LLM with a retrieval pipeline to reduce hallucinations and improve accuracy.
- Developed a conversational interface for enterprise knowledge exploration.
- Technologies: Python, LangChain, Transformers, Vector Database, and LLM APIs.
NLP-Based Customer Support Ticket Classification
Katalix Solutions Private Limited
03.2024 - 12.2024
- Customer Support Platform.
- Developed BERT-based NLP models to classify customer support tickets into categories.
- Processed large volumes of unstructured text data using NLP preprocessing techniques.
- Implemented deep learning models using Hugging Face Transformers and PyTorch.
- Performed model evaluation using precision, recall, and F1-score metrics.
- Automated ticket routing workflows reduce manual triage time by 60%.
- Enabled real-time integration with backend systems.
- Technologies: Python, PyTorch, Hugging Face, Pandas.
AI Recommendation System for E-Commerce Platform
Katalix Solutions Private Limited
05.2023 - 02.2024
- E-commerce platform.
- Built a collaborative filtering recommendation engine using matrix factorization.
- Processed user interaction and purchase data for personalized recommendations.
- Developed APIs for real-time recommendation delivery.
- Evaluated performance using Precision@K and Recall@K metrics.
- Increased product click-through rate by 26%.
- Improved customer engagement through personalization.
- Technologies: Python, Scikit-learn, FastAPI, Pandas.
Customer Churn Prediction Model
Katalix Solutions Private Limited
01.2022 - 04.2023
- SaaS Platform.
- Developed predictive models using XGBoost, Random Forest, and Logistic Regression.
- Performed data preprocessing, feature engineering and feature selection.
- Handled class imbalance using resampling techniques.
- Evaluated models using ROC-AUC, precision, recall and F1-score metrics.
- Built automated pipelines for model training and evaluation.
- Achieved 87% prediction accuracy, improving retention strategies.
- Technologies: Python, Pandas, Scikit-learn, and XGBoost.
Self-directed Learning
Data Science Upskilling & Career Transition
01.2020 - 01.2022
- Career Transition from HR to Data Science.
- - Transitioned from HR to data science with focused training in machine learning and AI.
- - Developed hands-on expertise in Python, data analysis, and statistical modeling.
Human Resources Executive
Multiple Organizations
01.2015 - 01.2020
- HR Operations.
- - Managed the full recruitment lifecycle.
- - Maintained HR data systems.
- - Improved hiring efficiency.
Education
Bachelor of Technology - Computer Science & Engineering
GVIC (JNTUA)
India01.2014
Skills
Python, Pandas, Numpy
SQL
Scikit-learn, XGBoost, Random Forest
PyTorch, TensorFlow
LangChain, Transformers, RAG, LLM APIs
FastAPI, Docker, MLOps, Git, GitHub Actions
AWS, IBM Cloud
PowerBI, Tableau, Seaborn, Matplotlib
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
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Timeline
RAG-Based Enterprise Knowledge Assistant
Katalix Solutions Private Limited
01.2025 - Current
NLP-Based Customer Support Ticket Classification
Katalix Solutions Private Limited
03.2024 - 12.2024
AI Recommendation System for E-Commerce Platform
Katalix Solutions Private Limited
05.2023 - 02.2024
Customer Churn Prediction Model
Katalix Solutions Private Limited
01.2022 - 04.2023
Self-directed Learning
Data Science Upskilling & Career Transition
01.2020 - 01.2022
Human Resources Executive
Multiple Organizations
01.2015 - 01.2020
Bachelor of Technology - Computer Science & Engineering
GVIC (JNTUA)