Vinod Singh
Developer building scalable web apps and AI agents
New to Contra
Vinod is ready for their next project!
I just made the frontend design of this website with Antigravity 2.0 and claude code.
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My Personal Portfolio website built with Next.js and tailwindCSS and fully responsive having all my projects and experience listed.
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AI YouTube Thumbnail Generator :
• Developed a full-stack AI-powered thumbnail generator using MongoDB, Express.js, React.js, and Node.js. Jan 2026
• Integrated Google Gemini API to generate YouTube thumbnails based on title, prompt, style, colors, and aspect ratio.
• Implemented user authentication (signup/login) and persisted generated thumbnails securely in MongoDB.
• Used Cloudinary for image storage and optimization, enabling efficient media handling.
• Deployed the application on Vercel with environment-based configuration and production-ready APIs
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AI Mock Interview Preparation Platform :
• Built an AI-driven interview preparation platform that simulates real interview scenarios using Google Gen AI.
• Implemented adaptive question generation and dynamic response evaluation with VAPI SDK.
• Created analytics dashboard for tracking performance and identifying skill gaps.
• Enabled 30% faster feedback cycles than traditional mock tools.
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Full-Stack Video Conferencing Application:
Live Link : https://lets-talk-opal.vercel.app/
• Developed a Zoom-like (Let’s Talk) platform with real-time video/audio, screen sharing, recording, and participant management for 1000+ users.
• Integrated with functionalities such as scheduling interviews and providing interview results and analytics.
• Integrated Clerk authentication and Stream API for secure, low-latency calls and live chat.
• Designed a responsive UI ensuring 100% mobile compatibility and a 40% boost in user engagement.
• Deployed on Vercel achieving 99.9% uptime and optimized SEO.
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