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Sagar Sharma

Sagar Sharma

Backend Engineer

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Projects

Zavigo — AI Voice Calling Agent

Architected and shipped an end-to-end AI voice agent for automated hotel bookings, handling live call flows through Twilio telephony. Integrated Sarvam AI for speech-to-text/text-to-speech and Gemini API for conversational reasoning and tool/function calling. Migrated the real-time call pipeline to LiveKit's WebRTC infrastructure, cutting response latency by 30%.

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TwilioLiveKitSarvam AI (STT/TTS)Gemini APINode.jsAWSExpress.jsReact.jsMongoDB

Zakkuu — AI-Powered Image Enhancement

Integrated Gemini API into the seller panel to auto-convert raw phone photos into studio-quality product images. Deployed the feature across 5 seller accounts, cutting manual photo-editing time by 90%. Built the panel UI and backend pipeline handling image upload, AI enhancement, and listing updates.

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Gemini APIMongoDBExpress.jsReact.jsNode.jsAWS

Ashirwad CRM — Real Estate/Construction ERP

Engineered a single role-based CRM serving 8 user roles — admin, HR, finance, site engineers, vendors, and others — from one unified panel. Used conditional rendering to serve role-specific views and permissions without maintaining separate codebases. Built inventory tracking for flats across 10 projects/towers, reducing manual tracking overhead by 60%

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React.jsNode.jsMongoDBAWSRole-Based Access ControlExpress.js
Stack & AI tools
React.jsNext.jsJavaScriptTypeScriptHTML5CSS3Tailwind CSSRedux ToolkitNode.jsExpress.jsMongoDBRedisREST APIsSocket.ioWebRTCAI IntegrationAWSDockerLinuxNginx
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