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$
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I will build custom web apps with ai integration and scalable architecture
Roberto Nauzet
About this gig
Looking for an ultra-fast custom web app? Standard builders hit a wall when you need custom logic, secure portals, or smart AI. Let's build something extraordinary.
I'm a Full-Stack Developer specializing in high-performance apps with Next.js, React, TypeScript, and OpenAI. I write clean, scalable code optimized for speed and SEO. Plus, my native support in English, Dutch, and Spanish helps you dominate high-spending US & EU markets.
WHAT I BUILD FOR YOU:
Custom Web Apps & SaaS: Next.js, Tailwind CSS, and Shadcn UI.
Smart AI Integration: OpenAI API, LLMs, and smart automation.
Full-Stack Architecture: Secure auth & robust databases (SQL/NoSQL).
Payment Gateways: Seamless Stripe or PayPal setups.
WHY CHOOSE ME?
Engineering Mindset: Production-ready code that scales.
Multilingual Edge: Target US, NL/BE, and ES markets natively.
High Accountability: Independent, solution-oriented delivery.
Message me for a FREE technical consultation before ordering!
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Get to know Roberto Nauzet
Roberto Nauzet
Building Smart Web Apps and Automating Your Business Growth
- FromSpain
- Member sinceJul 2022
Languages
English, Spanish, Dutch
Looking to scale your business with smart technology? I am a Full-Stack Web Developer specializing in AI integrations and workflow automation. I help startups and businesses save time and increase revenue by building powerful web platforms and automating repetitive tasks. I handle everything from database design to UI/UX and intelligent features. Don't settle for basic websites; get a smart solution that works for you. Drop me a message with your ideas, and let's structure the perfect plan for your project!
Other Website Development Services I Offer
FAQ
Will my custom web application be mobile-friendly and optimized for SEO?
100%. I follow a mobile-first design philosophy using responsive Tailwind CSS. Additionally, Next.js provides excellent built-in SEO advantages like Server-Side Rendering (SSR) and optimized metadata structure to help your site rank higher.
Do you handle both Frontend and Backend development?
Yes! As a Full-Stack developer, I handle everything from beautiful layouts with Tailwind CSS and shadcn UI, to complex server logic with Node.js, API integrations, secure user authentication, and optimized database management (SQL/NoSQL).
Can you build or localize my web application in Dutch or Spanish?
Absolutely! Being native bilingually in Dutch and Spanish, and fluent in English, I can build and localize your platform to perfectly fit European (Netherlands, Belgium, Spain) or US markets, drastically increasing trust and user conversion rates.
How do you integrate AI features into the website?
Depending on your business needs, I can securely connect OpenAI APIs, build custom AI chatbots, automate internal workflows, or implement intelligent data analysis directly within your custom web application dashboard.
Why choose Next.js and React over WordPress or Wix?
WordPress and Wix are great for simple blogs, but they are slow and limited. Next.js and React provide lightning-fast loading speeds, superior security, and the flexibility to build completely custom features, secure portals, and advanced software architectures that can scale without limitations.
How scalable is the web application as my business grows?
Extremely scalable. Built with Next.js and a decoupled architecture (SQL/NoSQL), your app can easily handle spikes in traffic. You can add advanced features, user portals, or expand the database in the future seamlessly without having to rewrite the core code.
