• 2020 University of Seville CS Commencement speech

    I was wrapping up an interview when I got a Twitter DM from Pablo. It was an invitation to give the commencement speech for the University of Seville’s CS School, where I studied. Wow, I was not expecting that at all. I was humbled and very excited to help as...

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  • Technical debt isn't evil

    Technical debt is a concept originally introduced by Ward Cunningham, one of the authors of the Agile Manifesto. There are multiple interpretations of what technical debt is, but I am going to focus on the financial debt metaphor. Like financial debt, technical debt is something you can borrow in the...

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  • How NOT to apply to Y-Combinator

    Getting into Y-Combinator in 2018 was a defining event in the history of RevenueCat. It was also quite impactful for Jacob and me as founders. I want to believe we would still be around even if we had not gotten into YC, but I am sure the company would not...

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  • The privilege of free education

    There are 50 public universities in Spain. The majority of Spanish students end up attending the closest school to their family home. A particular degree not being taught nearby, or not getting in (mostly due to the limited number of seats) are the main exceptions for traveling or attending a...

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  • Effective code review

    Fortunately, I don’t think the necessity of code review is a controversial topic these days for most tech companies1. However, it is not always implemented as well as it should. In this post, I will describe some practices that I try to follow when opening pull requests, and that I’ve...

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