I will develop a custom full stack web application with nextjs

T
thekevinkun
T
thekevinkun
Kevin Mahendra
develop a custom full stack web application with nextjs
develop a custom full stack web application with nextjs
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develop a custom full stack web application with nextjsdevelop a custom full stack web application with nextjsdevelop a custom full stack web application with nextjsdevelop a custom full stack web application with nextjsdevelop a custom full stack web application with nextjsdevelop a custom full stack web application with nextjs

About this gig

I build production-ready web applications using Next.js, TypeScript, PostgreSQL, and modern backend technologies. Whether you need an AI-powered SaaS platform, booking system, ecommerce application, or custom business solution, I focus on reliability, scalability, and great user experience.


My experience includes payment integrations (Stripe, Midtrans), AI assistants using OpenAI, real-time features, authentication, and secure backend architecture.


What I can build:

  • AI SaaS Development
  • Full Stack Development
  • Next.js & TypeScript
  • Payment Integration
  • Real-Time Applications
  • API Integration
  • Authentication & Security
  • Scalable Architecture


I believe in clear communication, maintainable code, and building systems that solve real business problems.


For the Advanced package, please message me first so we can confirm scope before ordering.

  • Programming language

    • TypeScript

  • Expertise

    • Debugging
    • Performance
    • Security
    • Databases
    • Source control

  • Frontend framework

    • Next.js
    • React.js
    • Tailwind CSS

  • Backend framework

    • Express.js
    • Next.js
    • Node.js

Get to know Kevin Mahendra

Kevin Mahendra

Full Stack Developer Building AI SaaS and Booking Platform with Payment Systems

  • FromIndonesia
  • Member sinceMay 2026
  • Avg. response time6 hours

  • Languages

    English
Hi, I'm Kevin, a Full Stack Developer specializing in AI SaaS, booking platforms, and payment systems. I build production-ready web applications using Next.js, TypeScript, PostgreSQL, and modern backend technologies. My experience includes multi-tenant SaaS platforms, AI-powered assistants, booking systems, Stripe and Midtrans integrations, and real-time applications. I focus on clean architecture, secure integrations, and reliable user experiences that work in real-world conditions.

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