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

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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

Pravin Ghuge

Mahmoud Abohwash

gonzalo ferrer

Kevin Schmidt

Ayodele Afolalu

Bassam Aissou

Taras Hlivchuk

Abdul-rhman Kattoush

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