Biprayan Choudhuri
Open to work0 years experienceAI Engineer
AI Engineer building production LLM systems.
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Skills & Technologies
28 skillsWork Experience
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Projects
Yumii
View Project- Built a real-time desktop voice companion with a continuous loop supporting barge-in interruption, running fully local on CPU.
- Engineered persistent long-term memory that searches all prior conversations and self-corrects stored user facts.
- Shipped a one-command installer provisioning an isolated uv-managed Python 3.12 environment.
Multi-Agent Orchestration System
- Designed a scalable multi-agent pipeline where a master orchestrator dynamically routes tasks via structured JSON reasoning.
- Implemented 5 specialized agents with typed failure contracts via strict Pydantic schemas.
- Managed per-node context budgets via tiktoken with overflow detection; streamed agent transitions via SSE.
Scalable RAG Chatbot
- Architected a 3-stage RAG pipeline with hybrid retrieval and CrossEncoder re-ranking, increasing retrieval precision by ~30%.
- Deployed a containerized microservices stack via Docker Compose with async FastAPI endpoints.
- Implemented Multi-Query Expansion to generate semantic input variations.
RxGuard
- Created a fully local, air-gapped clinical AI agent over a FAISS vector store with zero external dependencies.
- Integrated a Safety Critic node that evaluates reasoning outputs, enforces citations, and triggers re-evaluation loops.
- Enforced deterministic state transitions via Pydantic schema validation.
Leaderboard Standings
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Assessment Highlights
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Role Compatibility Profile
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Achievements
Pydantic Open Source Contribution
Fixed docstring inconsistencies and validation logic in PrivateAttr, Field, and core validators for Pydantic.
About Details
Professional Bio
AI Engineer building production LLM systems — multi-agent orchestration, RAG pipelines, and real-time voice AI — using LangGraph, FastAPI, and modern vector-search infrastructure. Creator of Yumii, an open-source local realtime voice AI companion.
B.S. Artificial Intelligence and Data Science
Indian Institute of Technology Guwahati (2024 - 2028)