Full-Stack Developer specializing in React and Next.js and MERN stack development. Building intelligent web applications with LLM APIs (OpenAI, Claude), automation solutions, and modern frontend/backend systems. Expert in Node.js, Express, MongoDB, Three.js. Based in Germany, serving global clients. | Full-Stack Entwickler mit Fokus auf KI-Integration, Next.js und React. Intelligente Webanwendungen mit LLM APIs, Automatisierung und moderne Frontend/Backend Systeme.