I will fix and optimize ai integration bugs in reactjs nextjs and expressjs web apps

J
johnpel_dev
J
johnpel_dev
John

About this gig

Are you experiencing bugs, errors, or performance issues in your AI-powered web application?

I will professionally fix and optimize AI integration bugs in React.js, Next.js, and Express.js web applications to ensure your system runs smoothly, efficiently, and without errors.

Whether your project is a SaaS platform, AI chatbot, or full-stack web app, I will help you identify and resolve issues affecting performance, functionality, or AI integration.

What I Can Help You With:

  • Fixing React.js frontend bugs and UI issues
  • Resolving Next.js rendering and routing problems
  • Debugging Express.js backend and API errors
  • Fixing OpenAI / AI chatbot integration issues
  • Solving authentication and database connection problems
  • Improving app performance and speed
  • Fixing deployment and server issues
  • Optimizing full-stack web applications

Why Choose Me:

I focus on not just fixing errors, but ensuring your application is stable, scalable, and production-ready. I understand both frontend, backend, and AI integration deeply, so I can handle full-stack issues efficiently.

Get to know John

John

I see possibilities

  • FromUnited Kingdom
  • Member sinceMay 2026
  • Languages

    English, Italian, French, German
I’m a Full Stack Web Developer specializing in modern, responsive, and high-performing websites and web applications. I work with Tailwind CSS, JavaScript, React.js, Next.js, Node.js, Express.js, MongoDB, and TypeScript to build clean, scalable, and user-friendly solutions. I help businesses, startups, and individuals turn their ideas into professional digital products that are fast, secure, and visually appealing. Whether you need a landing page, business website, custom web application, bug fixing, or frontend/backend development, I focus on delivering quality work with attention to detail.