Vishaal Sai Devisetty
Data Scientist | LLMs, GenAI, RAG, LangChain | NLP, ASR, CV | MLOps (K8s, Docker, CI/CD) | AWS, GCP, Azure | FastAPI | OpenAI | Google Gemini | Building Scalable AI Systems
- Role
- Data Scientist at Freddie Mac
- Location
- Charlotte, NC, US
- LinkedIn followers
- 500 followers
About Vishaal Sai Devisetty
I don\'t just build models. I build the data infrastructure that feeds them, deploy…
Experience
Data Scientist
Apr 2025 — Present
Engineered an end-to-end data pipeline by extracting, cleansing, and transforming mortgage and borrower datasets using SQL, Python, and Pandas, integrating external macroeconomic indicators to create a reliable foundation for predictive modeling. Designed and optimized ML models including Logistic Regression, Random Forest, and XGBoost to classify loans by risk and forecast delinquency, applying advanced feature engineering to capture borrower repayment patterns and regional housing trends. Deployed the trained models into AWS SageMaker with Docker, integrated them into the Loan Insight Platform API for real-time loan scoring, and established a continuous monitoring framework with Grafana and Prometheus to manage drift and maintain reliability. Utilized Natural Language Processing (NLP) on borrower financial statements, loan applications, and credit reports to extract sentiment, identify anomalies, and enrich structured datasets, improving loan risk classification accuracy and decision-making. Improved Freddie Mac’s loan risk detection accuracy by leveraging ensemble modeling and neural networks, which enhanced early warning alerts for high-risk loans, thereby increasing proactive intervention capacity by 30% through AI-driven scoring and validation.
Education
University of North Carolina at Charlotte
Master of Science - MS, Data Science And Business Analytics
CVR College of Engineering, Hyderabad
Bachelor of Technology - BTech, Electronics and Communication Engineering
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