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charan KosariCK
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charan Kosari

@charankosari

AI Engineer at Nyra AI who built a hospital voice-calling agent with a low-latency speech pipeline.

India
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At Nyra AI, I built a production-grade voice-calling agent for hospitals that handles inbound and outbound patient calls. I designed a low-latency pipeline connecting speech recognition, LLM reasoning, and speech generation.

I developed scalable backend services with Python and FastAPI, using asynchronous processing and WebSockets for real-time communication. I also integrated SIP telephony and worked with LiveKit, Sarvam AI, OpenAI, and AWS deployment.

At Heyrik, I trained and fine-tuned open-source models for speech and generative AI applications. I extended a Text-to-Speech model with voice cloning and developed audio preprocessing and speaker-conditioning pipelines.

My projects include backend work for SignBuddy, Husle Life, FestGo, and Subhamastro. I also won a 24-hour inter-college hackathon with a code generator using local LLMs and placed second at the HydPy Hackathon with a voice-based agent.

Experience

Work history, roles, and key accomplishments

FE

Backend Developer

FestGo

Developed backend APIs for a hotel, resort, and event booking platform using Express.js and PostgreSQL. Focused on secure and scalable architecture.

SU

Backend Developer

Subhamastro

Developed backend for an online service booking platform using Express.js and PostgreSQL. Implemented service listings, booking management, and an integrated chatbot.

Education

Degrees, certifications, and relevant coursework

MC

Malla Reddy Engineering College

B.Tech, Data Science

Grade: 7.73

Pursuing a B.Tech in Data Science with a CGPA of 7.73.

SO

SoloLearn

Certification, Web Development

Certified in React and Redux.

HA

HackerRank

Certification, Database

Certified in MySQL at the Basic Level.

HA

HackerRank

Certification, Database

Certified in MySQL at the Intermediate Level.

HA

HackerRank

Certification, Programming

Certified in Java at the Basic Level.

HA

HackerRank

Certification, Programming

Certified in Python at the Basic Level.

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