Hello, I'm Efrain — a Full Stack Software Engineer with strong experience in Next.js, Firebase, and Python frameworks. I also specialize in AI integrations, including DeepSeek, Claude, and OpenAI (GPT, TTS/STT, embeddings) along with building scalable SaaS architectures, subscription systems, and AI-driven automation flows. Whether you need a new product or want to improve an existing one, I build solutions that scale, perform, and make a real impact.... Lee más