Yuvraj Mishra - CTO & Full-Stack Developer Portfolio
YM
Hi, I'm Yuvraj Mishra
Full-Stack Developer & CTO
Building high-performance agentic AI runtimes and premium, human-centric web applications from the ground up.
Full-Stack Developer & CTO
Building high-performance agentic AI runtimes and premium, human-centric web applications from the ground up.
I build for the human on the other side of the screen. As a self-taught developer, my obsession lies in crafting production-ready platforms from the ground up, ensuring every pixel feels intentional.
Designed, built, and shipped a live freelance marketplace solo, integrating Razorpay webhooks and persistent WebSocket chat.
Cut time-to-market by 60% as the single engineer handling UI design, frontend development, system design, and database schema.
Integrated Razorpay payment gateway with robust, transactional webhook handlers, maintaining a 100% payment success rate.
Designed and deployed a custom real-time WebSocket chat infrastructure that ensures message delivery under 100ms.
Architected key scraping frameworks and scoring algorithms for a high-traffic influencer marketing SaaS.
Built an AI-driven influencer matching engine parsing 100K+ influencer profiles and over 1M+ content data points.
Optimized data pipeline stability with advanced proxy rotation, rate-limiting, and error-recovery routines.
Engineered the proprietary NXT Score rating algorithm using trimmed means with 70/30 views-to-engagement metrics.
Enhanced site responsiveness, Lighthouse performance, and technical search engine optimization.
Drove mobile Lighthouse performance score from 72 to 94 through media optimization, bundle splitting, and CSS refinement.
Increased organic search impressions by 15% through Core Web Vitals remediation, JSON-LD schemas, and semantic hierarchy fixes.
Maintained top-tier page performance standards and clean API handshakes across multiple client applications.
A multi-platform agentic AI runtime built with a multi-stage cognitive pipeline (Observer → Router → Planner → Executor) and a self-reflecting layered memory system.
A custom freelance marketplace engineered and shipped solo. Integrated Razorpay payment systems with webhooks and active WebSocket communication.
An AI-powered LinkedIn comment injector built using Shadow DOM style isolation and client-side Groq API key storage for absolute privacy.
An AI hook analyzer that scores LinkedIn copy on engagement metrics, using Puppeteer for extraction and LangChain for classification.
I am open to full-time, full-stack roles at early-stage, product-first startups. If you value raw craft, pixel obsession, and end-to-end technical execution, let's start a conversation.