I will build a full stack web app using react, nodejs and mongodb

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Mayank Kumar

About this gig

Need a web application that actually works in production not just looks good in a demo?

I'm Mayank, founder of Bivoxo, a full-stack development team specializing in React, Next.js, Node.js, and MongoDB/PostgreSQL. We don't just write code we build products. I've personally shipped platforms with real, active users, including a campus marketplace with live vendor adoption and an academic resource platform that hit 800+ organic users with zero ad spend. I know what separates a working demo from something people actually use.

What you get:


Clean, scalable full-stack architecture (frontend + backend + database)

Responsive design that works on every device

Well-commented, documented source code no black boxes

Direct communication throughout, not just at delivery


Whether you need an MVP, a new feature on an existing app, or a full rebuild, my team and I handle it end-to-end planning, development, testing, deployment.

Message me before ordering if your project doesn't fit neatly into a package I'll scope it properly instead of force-fitting it.

Get to know Mayank Kumar

Mayank Kumar

Founder at Bivoxo, Full Stack and AI Development Team

  • FromIndia
  • Member sinceSep 2025
  • Avg. response time1 hour
  • Languages

    Hindi, English
Most freelancers show you code. I show you what shipped. I'm Mayank - full-stack and AI-native developer, backed by my own team at Bivoxo (https://bivoxo.com), so you get agency-level delivery without agency overhead. Proof, not promises: a platform I built hit 800+ organic users with zero ad spend, and I made the call to sunset a broken product rather than milk it for cash. I build web apps, AI agents, automation, and chatbots - React, Next.js, Node.js, PostgreSQL, MongoDB, modern LLMs. Trained by Anthropic and IBM. Need it built right the first time? Let's talk.

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