Sai Kumar V.

About Sai Kumar V.

I design and ship production AI systems that combine LLM apps, custom ML/DL, and RAG to…

Experience

1. Software Engineer(Ml Ai)

   HGS

   Jun 2023 — Present · Austin, TX, US

   Designed and deployed RAG/GraphRAG systems with Hugging Face, LangChain, and ChromaDB/pgvector, improving document accessibility by 40% and reducing query latency by 50%.2. Fine-tuned and productionized LLMs (LLaMA, GPT, BERT, Whisper) on AWS/Azure, achieving 40% higher accuracy and scaling to 3× more requests.3. Delivered Fintrace RAG pipelines using pgvector + Neo4j for financial case investigations, enabling contextual QA/QC evaluations across 16+ attributes.4. Built speech AI and tone detection pipelines (Whisper, BERT, LDA) to generate structured insights for conversational analysis.5. Developed query deduplication and contextual filtering systems using BERT embeddings and NLP frameworks, improving retrieval precision.6. Strengthened data security with SHA-256 hashing and automated integrity checks on AWS.7. Led end-to-end delivery of ML systems—design, scaling, CI/CD, and Terraform-based deployments—ensuring reliability and compliance.