04/05/2026
Why I'm Growing HAID in Public, Not Building in Public
Everyone's doing build in public. Twitter Sorry, X threads about tech stacks, architecture decisions, deployment pipelines. I love reading those, but that's ...
Henrique Marques Fernandes
Software Engineer
Henrique Marques Fernandes.
Senior full-stack engineer by day, triathlete by... well, also by day. I lead teams and build scalable, simple solutions in tech (e-commerce, fintech, SaaS).
I'm now building HAID (How Am I Doing?), a fitness app that connects your training, recovery, and life context into one honest daily picture. It's the intersection of my two passions: clean code and open roads.
For me, life is about health, discipline, and pushing what's possible, on and off the clock.
haid.app
Fitness data that understands your life, not just your body.
Check out some of my thinking
Latest Posts
05/08/2023
How to easily find running, swimming, cycling and triathlon events all over the world
If you are a sports enthusiast, such as running, triathlon or swimming, you know how important it is to take part in events to improve your performance and challe...
01/02/2023
boringproxy: How to expose local services publicly on the internet
Have you ever needed to share some service, database, API or website being developed on your local machine publicly on the internet with someone? There are w...
08/19/2022
Top 6 Sites to Find, Generate, Create, and Share Memes
Memes have won over the internet, especially for us Brazilians. Let's be honest, we love a good meme, don't we? Here's a list of the 6 best sites for you to find and create memes online, with no need to download Photoshop or any other program.