I will build your ai saas mvp or full stack web app with nextjs


About this gig
Build a production-ready AI SaaS that actually scales.
If you're launching a SaaS, an AI-powered web app, or an MVP to validate your idea, you need clean architecture, fast rendering, and a backend that won't break when users arrive. That's what I build.
I'm a full-stack developer specializing in modern AI SaaS applications on the Next.js and Node ecosystem. My recent work includes Foundeneur, a Next.js 14 + MongoDB platform with real-time updates, a matchmaking system, and an admin dashboard.
What I build:
AI SaaS web apps & MVPs Next.js 14, TypeScript, Tailwind, Shadcn UI
AI integrations OpenAI, Claude, Gemini, plus LangChain & RAG pipelines
Scalable backends Node.js / Express with MongoDB or PostgreSQL
Dashboards, auth, payments (Stripe) and production deployment
How I work:
- Architecture first we map your data models and API routes before any code.
- Build with milestones staging links so you see progress live.
- Deploy & hand off production deployment with a clean, documented repo.
Message me with your brief or wireframe before ordering so we can align on scope and I can give you an accurate quote :)
Get to know Hamza
- FromPakistan
- Member sinceMar 2020
- Avg. response time1 hour
- Last delivery1 year
Languages
English, Spanish, German, French
My Portfolio
FAQ
Do you build with custom code or no-code tools like Lovable?
Both. I build fully custom production apps with Next.js, Node and React when you need something scalable and maintainable, and I can ship faster with AI-assisted tools like Lovable or Bolt when speed matters more than a custom codebase. Message me your goal and I'll recommend the right approach.
Which AI models do you work with?
I work across all major providers: OpenAI (GPT-4o), Anthropic Claude, Google Gemini, Meta Llama, Mistral, Grok, and DeepSeek - plus open, self-hostable models when you want lower cost or full data privacy. For advanced features I build RAG and agent systems with LangChain, LangGraph and LlamaIndex,
Can you add AI features to my existing app?
Yes. I can integrate an AI model, chatbot, or automation into an app you already have, as long as it's built on a stack I can work with (Next.js, React, Node). Share your repo or a description and I'll confirm feasibility before you order.
Do I get the full source code?
Always. You receive complete, clean, documented source code and full ownership on every package. No lock-in, no hidden dependencies.
What do you need from me to start?
A short brief or wireframe describing what you want to build, any design references, and API keys or accounts if third-party services are involved. The clearer the scope, the faster and more accurately I can deliver, so please message me before ordering so we can align.
How do you handle larger projects?
For bigger builds I split the work into milestones (for example: architecture & database → core features → deployment), so you see progress at each stage via staging links and only move forward when you're happy. This keeps everything transparent and on-track.
Do you offer revisions and post-delivery support?
Yes, each package includes revisions, and I'm available to fix issues after delivery. For ongoing work or new features, we can arrange a custom offer.
Do you do AI model training or fine-tuning?
My focus is building AI-powered applications and integrating existing models (GPT, Claude, Gemini, etc.) — which covers the vast majority of SaaS needs. If your project requires training a custom model from scratch, message me first so I can confirm whether it's a fit before you order.

