I build software, then take the system apart until the mechanism is something I can explain.

Madrid is home. About four years of the work has been professional product engineering: healthcare and electronic records, dense interfaces, APIs, realtime, authentication, billing, interoperability, and the compliance-shaped edges around them.

The direction I want is architecture. Design the system, understand the layer under the framework, and use agents where they speed the implementation without handing them the decisions.

  1. 01System design
  2. 02Backend
  3. 03Frontend
  4. 04AI systems
  5. 05Infrastructure
  1. 001AI browser agentA personal study of driving a browser from an agent: an isolated context, explicit tools over MCP, and a run log a person can watch.Read case study
  2. 002From scratchA small JavaScript HTTP framework — routing, middleware, request and response, errors — written to see what a framework actually is.Read case study
  3. 003Home infrastructureA small home lab: Linux, Docker, and a private network, kept to a size I can still explain.Read case study