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I will build your custom nextjs web app with ai features


About this gig
Production-Grade Next.js Apps Powered by AI
Are you looking for a senior developer who can build a fast, scalable, AI-powered web app that actually ships? You're in the right place.
With 10 years of freelance experience in full-stack and mobile development, I specialize in building Next.js applications that combine modern performance architecture with powerful AI integrations from GPT-4o chatbots and content generators to RAG-based document intelligence and real-time AI streaming.
Every project I deliver is production-ready: clean TypeScript, optimized for Core Web Vitals, secured, and deployed on scalable infrastructure. I don't just write code I build products your users will love and your business can grow with.
Get to know dreg
Mobile App Developer Flutter, React Native Cross Platform Solutions
- FromFrance
- Member sinceMay 2026
- Avg. response time1 hour
Languages
German, English
My Portfolio
FAQ
What AI providers do you integrate?
I work with OpenAI (GPT-4o, Whisper, DALL-E), Anthropic Claude, Google Gemini, and Hugging Face open-source models. If you have a specific model or provider in mind, just mention it and I'll confirm compatibility.
Do you build SaaS apps with subscription payments?
Yes. I integrate Stripe for subscription billing, one-time payments, usage-based billing, and customer portals. This is available in the Standard and Premium packages.
Will the app rank well on Google?
Every app I build uses Next.js server-side rendering, proper metadata, Open Graph tags, JSON-LD structured data, sitemap.xml, and passes Core Web Vitals — all the technical SEO foundations Google needs to rank your site.
Can you work with an existing codebase?
Absolutely. I'm comfortable jumping into existing Next.js projects — refactoring, adding AI features, improving performance, or extending with new modules. Share your repo and I'll give you an honest assessment.
Do you provide post-delivery support?
▾ All packages include 7 days of free post-delivery support. Extended maintenance plans are available as a separate ongoing gig — message me for details.

