Hello, my name is José Rosário

I'm a Front End Software Engineer, currently working at OutSystems.




Smooth as Butter: Achieving 60 FPS Animations with CSS3
Animating elements in your mobile applications is easy. Animating elements in your mobile applications properly may be easy, too… if you follow our tips here. While everyone is using CSS3 animations in mobile these days, many are not doing it properly. There are best practices to take into account that are constantly and considerably disregarded. This happens mainly because there are still people who don’t really understand the real reasons why those practices exist and are so vigorously endorsed. Read More
FLIP Your 60 FPS Animations, FLIP ’Em Good
I’ll let you in on a secret: If there’s one thing I love, it’s animating elements in mobile applications. A while back, I wrote that animating for mobile can be easy if you follow the proper approach. I went through the advantages of animating properties in the Composite layer as it prepares the rendering and its calculations to be processed in the GPU. Read More
From Design to Code: Creating and Animating Images with CSS
So, there I was. A front-end developer who loves a good challenge. I was determined to turn an image into an elegant piece of code. And I also wanted to animate it. You see, for me, there is nothing more challenging than going deep into CSS and HTML, and honing these skills. Therefore, I’m always on the lookout for something that will push me and also allow me to evaluate where I can improve. Read More