Crearé una aplicación de reacción y la conectaré con un contrato inteligente usando web3 o ether js

I am a Full-Stack Developer with 8+ years of experience building scalable web and AI-powered applications. My expertise includes HTML5, CSS3, Bootstrap, JavaScript, ReactJS, Next.js, Node.js, Redux, LoopBack, Material UI, PostgreSQL, SQL, Python, C#, and C++. I specialize in AI integrations using OpenAI, ChatGPT, Claude, and Gemini APIs, including chatbots, AI assistants, automation, RAG systems, and custom AI solutions. I deliver clean, maintainable, and well-documented code while leveraging the latest technologies to create high-quality, scalable applications.