Hellojsx

What services does Hellojsx offer?

I specialize in full-stack web development with AI integration, React and Next.js frontend development, MERN stack applications (MongoDB, Express, React, Node.js), Three.js 3D web experiences, and UI/UX design with creative graphics. My services include OpenAI and Claude API integration, custom chatbot development, automated workflow solutions, and modern web application development.

Do you work with clients in Germany, Austria, and Switzerland?

Yes, I serve clients throughout the DACH region (Germany, Austria, Switzerland) as well as internationally. All communication is available in English and German, with a focus on German-speaking markets including Munich, Berlin, Hamburg, Frankfurt, Stuttgart, Cologne, Düsseldorf, Vienna, and Zurich.

What is your experience with AI integration?

I specialize in integrating LLM APIs like OpenAI GPT-4 and Anthropic Claude into web applications. My services include building AI chatbots, document processing systems with RAG, automated workflows, intelligent data analysis tools, and custom AI solutions for business automation.

What technologies do you use for full-stack development?

My primary tech stack includes Next.js, React, Node.js, Express, MongoDB (MERN stack), TypeScript, Tailwind CSS, Three.js for 3D visualization, and AI APIs (OpenAI, Claude). I am experienced with cloud deployment on Vercel, AWS, and modern hosting platforms. All my projects follow best practices with clean code architecture and creative frontend design.

How can I contact Hellojsx for a project?

You can contact me via email at [email protected] or through WhatsApp, Telegram, and video call (Zoom). The contact form on my website is also available for project inquiries. My response time is typically within 24 hours.