So, you finally made it to Senior Developer? Nice. 🎉 Now, let’s talk about what that actually means – because it’s not just about writing more code all day.

In tech, it’s easy to confuse complexity with progress. Adding layers, abstractions, or extra features can feel like you’re being productive—sometimes even impressive—like you're building something substantial. We’ve all seen codebases and systems that seem to wear their complexity as a badge of

Debugging. Well, it's not exactly the most shiny side of programming, is it? No boot camp is advertising with "Learn programming from us, so you could debug an app in just a week!". Usually there’s no standing ovation when you fix a bug that’s

Sick of paying for services you barely control? Self-hosting could be the answer, but is it? Can it be sold in your CV? Can you learn anything from it? Are there any other benefits? The short answer is yes and here's why.

I'll start from far away. First, here's some background of mine. I work as a software engineer and consultant, I've finished university for software engineering. Mostly I work with back-end in Java and, occasionally, other languages. I like computers and I'm no

Recently, I was asked about my opinion on mentoring and pair programming. I thought this would make a great read and I'd share some thoughts and observations. It is going to be mostly about mentoring junior developers. My Early Days When I was a junior developer, I had

Despite 7+ years in Java development, the Oracle Java Exam (OCP 1Z0-829) was a pain. After months of study, one failed attempt, and a second try, I’m now certified. Was it worth it? Maybe.

Let's dive a little into the Android universe. I've been team Android since practically the dawn of time—or at least since Android 2.2. And inevitably, I've learned a thing or two along the way. Android is the reigning champ of mobile operating

OK, I have something to tell about 5G. Yeah, you've probably heard a ton about it—how it's going to change the world with blazing speeds and unreal reliability. Some time already passed, but it's relatively new, an upgrade from the good old 4G,