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Sai Krishna Mallikanti
Mid-level AI & Data Scientist specializing in LLMs, RAG, and healthcare NLP
TNAI & Data Scientist4 years experienceMid-LevelHealthcareHealth InsuranceHealthcare IT
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About
Built a production LLM/RAG solution for healthcare operations teams to query large policy and care-guideline repositories in natural language. Improved domain alignment using vector retrieval plus parameter-efficient fine-tuning and prompt optimization, validated through internal user testing and metrics, cutting manual lookup time by ~40%. Also has hands-on experience orchestrating automated ML pipelines with Apache Airflow.
Experience
AI & Data ScientistCigna
AI & Data ScientistOrion Technolab
Education
University of Memphismaster, Data Science (2025)
Key Strengths
- Built and deployed a healthcare-domain RAG system over policy/care guideline documents
- Improved response relevance by combining vector retrieval with domain adaptation (PEFT) and prompt optimization
- Measured impact via technical metrics plus internal user testing; reduced manual document lookup time ~40%
- Designed modular AI workflows with clear success metrics and independent component testing
- Automated end-to-end ML pipelines using Apache Airflow DAGs with scheduling, monitoring, and alerting
- Effective collaboration with non-technical healthcare operations stakeholders using demos and iterative feedback
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