Venkat Sai

Data Scientist @Western & Southern Financial Group

Dayton, OH, US

Developed advanced ML models for fraud detection, risk scoring, and customer segmentation using Scikit-learn, XGBoost, and LightGBM.Automated Medicaid onboarding workflows using Apache NiFi and Airflow, reducing manual KYC effort by 60%.Created real-time eligibility & claims data streams with Kafka and Spark Streaming, enabling instant policy decisions.Designed secure AWS-based claims document repository (S3 + DynamoDB), improving audit retrieval speeds by 40%.Built member-facing analytics APIs using Node.js and MongoDB Atlas for personalized preventive care dashboards.Engineered cost analysis and ROI models using SciPy and Statsmodels to evaluate the effectiveness of health interventions.Deployed containerized ETL pipelines using Docker and Terraform; implemented CI/CD via GitHub Actions.Integrated FHIR and HL7 clinical data streams for EMR interoperability using Mirth Connect and Informatica.Tech Stack: Python, Kafka, Spark, AWS, Node.js, MongoDB, Tableau, Power BI, MLflow, DVC, Terraform