I will build your ai web app or saas mvp with claude code


About this gig
Need an AI tool, SaaS product, or AI integration shipped fast without sacrificing code quality?
I'm a senior AI developer specialized in shipping production AI tools using Claude Code as my main development tool. Recently built Qrusty, an AI SaaS that turns restaurant menus into structured digital QR menus with Claude and OpenAI.
WHAT YOU GET:
Custom Next.js frontend (no templates)
AI integration with Claude, OpenAI, or both
PostgreSQL database setup
Authentication and user flows
Mobile-first responsive design
Deploy on Vercel with your custom domain
Full source code on your GitHub
Documentation and Loom walkthrough at delivery
Post-delivery bug-fix support
WHY WORK WITH ME:
Anthropic-certified in Claude Code
Master in AI and Innovation (Founderz)
5+ years building production web apps
Async-first workflow no unnecessary calls
Spain-based (Europe timezone)
Fluent written English
I deliver fast because I use Claude Code as my main dev tool same code quality, half the time.
Before ordering: Let's chat first to align on scope and make sure your idea fits the package you're considering. Send me a message with your goals and I'll come back within 2 hours.
Get to know Carlos R.
AI Web Developer building modern apps with AI integrations
- FromSpain
- Member sinceMay 2026
- Avg. response time1 hour
- Last delivery3 weeks
Languages
Spanish, Galician, English, Portuguese
My Portfolio
FAQ
What's included in the source code?
You get the full repository on your GitHub — frontend, backend, database schema, API integrations, deployment config, and documentation. Full ownership, no lock-in.
Which AI APIs do you work with?
Primarily Claude (Anthropic) and OpenAI. I can also integrate other providers like Google Gemini or open-source models if your project needs it.
Do you handle the deployment?
Yes. I deploy to Vercel under your account with your custom domain. You keep full control of the production environment from day one.
What if I need changes after delivery?
All packages include revisions during delivery. After delivery, Standard package includes 14 days of bug fixes and Premium includes 30 days. Beyond that, ongoing support is available as a separate engagement.
Do you sign NDAs?
Yes, NDAs and confidentiality agreements are no problem for any package.
Can you work with my existing codebase?
Yes. If you already have a project and need AI integration added to it, I can work with your existing stack. Just message me first with details and I'll quote accurately.
What if my project is more complex than the Premium package?
Send me a message with the full scope and I'll prepare a custom offer with realistic milestones and timeline.
How do you communicate during the project?
Async-first. Daily updates via Fiverr messages, plus Loom video walkthroughs when something is easier shown than written. We schedule calls only when truly needed.

