I'm Alejandro
Sánchez Yalí
Specialized in developing smart applications that integrate modern web technologies with artificial intelligence and blockchain.






Building bit by bit
I love experimenting with modern technologies to create unique solutions that solve real problems. Every line of code is an opportunity to learn something new.
Notes on AI, Blockchain, and Cutting-Edge Tech
Exploring technology, development, and innovation through detailed analyses and practical guides

Building Aluna: six agents, structured output, and a receipt that outlives the data
The third engineering case study: how Aluna screens candidates with six specialised agents instead of one chatbot, why e…

Building CREARIA Agent: RAG, MCP tools, and a queue that changed the design
The second engineering case study: how CREARIA Agent answers customer questions on WhatsApp using RAG over pgvector and …

Building Plixiq: a multi-tenant WhatsApp AI agent platform
A behind-the-scenes case study of Plixiq — why we picked FastAPI, Next.js, LiteLLM and a modular monolith to run AI agen…
Study Community
Join a weekly study group to explore mathematics, software engineering, and artificial intelligence together.