Hey! I'm
Johnny C.
Senior frontend engineer in Barcelona. 10 years shipping apps with React, Next.js and TypeScript — currently on BBVA's mobile app. Building production AI agent systems. Father of two jedis. Runner in progress. Creator of OhanaSmart.
What I do
Web Development
10 years building web apps for banking and edtech. Currently on BBVA's mobile app (Ember, Lit, TypeScript).
AI Agent Engineering
Designing and running production AI agent systems: multi-model orchestration, MCP integrations and browser automation. Documented on the blog.
OhanaSmart
My project: smart vending machines for açaí and healthy food for companies.
Latest posts
View all →I'm not in the framework war
Three new agent frameworks shipped this week. I tried zero. I spent the afternoon tuning a two-second pause in my pipeline. Why the pattern beats the framework.
I migrated OpenClaw → Hermes on April 11. Anthropic started closing the tap on the 10th.
The day after Steinberger's temporary ban I put Harvie on my own runtime. Eleven days later I'm writing this without having touched a single piece of my pipeline. Portability isn't theory — it's useful paranoia.
Enriching 130 leads without the agent hallucinating emails
I have around 130 people in Notion. Roughly half without a confirmed email. For Diana to send outreach without burning the domain, every address passes through three boring checks. Here they are.