Juan Pablo Genovese

July 22, 2025

Testing your LLM calls using LangChain

“Important note: at the time of the publishing of this article, Anthropic announced via email that they are retiring claude-3-sonnet-20240229, used in the examples. Claude Sonnet 4 (claude-sonnet-4-20250514) should be used instead.” If you are reading this post, likely you are, or at least interested, in building LLM based applications...
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July 17, 2025

From Team Lead to Head of Engineering: The Art of Not Screwing Up

Not sure if this situation will be familiar to you or not, but at least try to imagine this: one day you're worrying about your (4 engineers) team's backlog — what will we do next? What features are we going to ship? And just like that, the next day, you are responsible for 18 engineers across 4 teams, and everyone's looking at you lik...
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