Twago Freelance Platform - Utkarsh Tiwari AI Engineer | Generative AI, AI Agents, Automation, LLM (GPT/LLaMA/Gemini), RAG, Vector DB (Pinecone), Prompt Engineering, MLOps, Python, Real-time STT/TTS, Voice AI, FastAPI, PostgreSQL, Azure/AWS/GCP

Utkarsh Tiwari

AI Engineer | Generative AI, AI Agents, Automation, LLM (GPT/LLaMA/Gemini), RAG, Vector DB (Pinecone), Prompt Engineering, MLOps, Python, Real-time STT/TTS, Voice AI, FastAPI, PostgreSQL, Azure/AWS/GCP

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Noida, India

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Why should you work with me ?

Production AI Engineer focused on productizing Generative AI, Agentic workflows, and voice automation. I design and ship end-to-end LLM systems (RAG, vector DBs/Pinecone), agent orchestration, real-time STT/TTS, and telephony integrations (Twilio/Plivo/LiveKit) with MLOps and low-latency serving.
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I’ve architected multi-tenant platforms handling thousands of daily calls and 2,000+ concurrent sessions, delivered 10.4× cold-start improvements, and cut query times by 90–95% through targeted DB & backend optimizations. I pair hands-on model work (fine-tuning, prompt engineering, tool-calling agents) with production engineering (FastAPI, PostgreSQL, CI/CD) to move prototypes into reliable, cost-efficient services.
Open to roles in GenAI productization, LLM-Ops, AI Agents & automation — happy to share demos and architecture writeups (GitHub & demo in Featured).

My Specializations

Web
AI
Python Developers
AI Services
Virtual Assistant

Recent Reviews

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My Portfolio

Production-Scale AI Voice Automation System

Enterprise Multi-Tenant AI Voice Calling Platform

Real-Time AI Voice Avatar with RAG for Enterprise Support

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Utkarsh Tiwari

Why should you work with me ?

Recent Reviews

No recent reviews!

My Portfolio

Production-Scale AI Voice Automation System

Enterprise Multi-Tenant AI Voice Calling Platform

Real-Time AI Voice Avatar with RAG for Enterprise Support

Freelancer Similar Skills

Alex Bernard

Dariel Fernandez

Liva aly

Cody Perella

Kathrin Tacke

KISOLID Solutions

Rumaz Naveed Qureshi

Alexander Kamala

Edward Rondón

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