I will build an ai chatbot or web app with nextjs and openai


About this gig
Need an AI chatbot or AI-powered web app for your business? I build fast, modern and production-ready AI products using Next.js, React, TypeScript, Node.js and the OpenAI API.
What I can build for you:
Custom AI chatbot (ChatGPT-style) for your website
AI SaaS web apps and MVPs
OpenAI, Gemini and other AI API integrations
PDF / document chat (RAG) using your own data
AI workflows and automation
User authentication and dashboards
Admin panel, analytics and memberships
Stripe payments and subscriptions
MongoDB / PostgreSQL database
REST API and Vercel deployment
My packages:
Basic: AI chatbot with clean responsive UI
Standard: AI SaaS with auth, database and admin dashboard
Premium: Full AI SaaS with payments, analytics and API
Featured project:
NexaFlow AI, a full-stack AI operations SaaS with authentication, workflows, leads, analytics, conversations and custom AI actions.
Why work with me?
Clean, scalable, well-documented code
Modern responsive design
Regular updates and clear communication
On-time delivery
Have a custom idea? Send me a message with your requirements and I'll reply with a quick plan and quote.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Faiza Noor
Full Stack Web Developer React Nextjs Nodejs MongoDB
- FromPakistan
- Member sinceJun 2026
- Avg. response time2 hours
Languages
English, French, German
My Portfolio
Other Website Development Services I Offer
FAQ
Which AI models can you integrate?
OpenAI (GPT-4 and newer), Google Gemini and other APIs. I’ll recommend the best one for your budget and use case.
Do I need my own OpenAI API key?
Yes, you will use your own API key so you control usage and billing. I’ll help you set it up securely.
Can the chatbot answer from my own documents?
Yes. With the PDF Chat (RAG) extra, the chatbot answers using your PDFs, docs or website content.
Will I get the source code?
Yes. You get the full source code, and I can deploy it on Vercel for you.
Do you offer support after delivery?
Yes, I fix bugs related to my work after delivery. The Source Code + Support extra gives you 30 days of extended support.

