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Sai Charan Kolla
Mid-level AI/ML Engineer specializing in LLMs, RAG, and MLOps on AWS
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About
LLM engineer who built a production document intelligence/RAG pipeline to extract structured data from thousands of unstructured PDFs, cutting manual review time by 60%. Experienced with LangChain and Airflow orchestration plus rigorous evaluation (labeled datasets, prompt testing, HITL review, monitoring) to improve accuracy and reduce hallucinations while partnering closely with non-technical operations stakeholders.
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Key Strengths
- Built and deployed LLM-powered document intelligence system for unstructured PDFs/reports
- Implemented RAG + validation layers to improve grounded accuracy and reduce hallucinations
- Reduced manual document review time by 60%
- Established end-to-end evaluation approach (labeled validation set, prompt eval, unit/integration tests, HITL review, monitoring/logging)
- Hands-on orchestration of LLM pipelines with LangChain and workflow scheduling with Apache Airflow
- Strong stakeholder collaboration translating non-technical ops needs into iterative prototypes and improved extraction logic
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