Sai Chaitanya Balla
Data Scientist @DataRobot
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WORK HISTORY
Data Scientist @DataRobot
US
Engineered production LLM-powered document retrieval system using LangChain, LlamaIndex, GPT-4, Llama-3, and Pinecone vector database, enabling semantic search across 2M+ enterprise records and reducing average search time from 45 minutes to under 10 seconds—improving analyst productivity by 78%.• Partnered with product and data platform teams to containerize AI services and automate CI/CD release workflows, increasing deployment frequency from bi-weekly to daily.• Led end-to-end model development from feature engineering and model selection through deployment, improving predictive analytics accuracy by 35% across core product use cases.• Developed NLP models, prompt workflows, and evaluation frameworks that improved output quality and reduced hallucinations across 6 client implementations.
EDUCATION
DePaul University
Master's degree, Data Science
Aurora’s Degree & PG College
B.S. in Mathematics, Electronics & Computer Science
ABOUT SAI CHAITANYA BALLA
Data Scientist with 3.5+ years of experience delivering measurable business impact through machine learning and NLP, including a 19% improvement in customer retention accuracy ($145K annual savings), a 60% reduction in manual effort through NLP automation, and 47% faster data warehouse queries. Currently building production GenAI/RAG systems at DataRobot processing 2M+ enterprise documents. Skilled in Python, XGBoost, BERT, AWS, and translating complex models into executive-ready insights. Seeking a Data Scientist role to drive data-informed decision-making and revenue growth.
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