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Sergio Rodrigo Royo

Software developer interested in Functional Programming and Domain Driven Design. He has worked building web and mobile applications in two different countries.

Sergio loves to try different flavours of programming. He has worked mainly with Java, but has recently discovered Scala and Kotlin and developed a big interest in functional languages such as Haskell. He believes in working with different technologies as a way to improve his programming skills.

Sergio embraces TDD and Simple Design in order to build clean and maintainable code.


Publications

Falling into Machine Learning

Recently, I rediscovered my passion for Mathematics and Artificial Intelligence, which I used to hate during my degree in Computer Sciences. Lately, I’ve been focused on Software Design, Automated Testing, Microservices, and Functional Programming. I also love learning new programming languages, so I’ve been wondering...


Lambda Calculus for mortal developers

Lambda Calculus sounds like an arcane term that only functional programming wizards can understand. Nothing could be further from the truth. We use Lambda Calculus everyday when we program. It is the most reducible form of all Functional Programming languages; the primitive building block of...


Setting up Scala on Android

Scala can be used to build Android applications, as an alternative to Java or Kotlin. Unlike them, setting up an Android project in Scala with SBT is not straightforward, and can give us some headaches to get it right. To show how this can be...


Bowling Kata in Kotlin

Screencast - Bowling Kata in Kotlin Sergio Rodrigo implements the Bowling Game kata in Kotlin using TDD, showing some of the features of the language, such as support for Functional Programming (Higher Order Functions, Lambdas and built-in functions), Pattern Matching, Extension Functions, Expression Bodies, and...


The Rush Age

We live in the rush age. We are literally overwhelmed by the amount of things we have to do, both at work and outside it. We leave work and have a bunch of emails, Facebook notifications, tweets, text messages (among others), waiting for response. Even...