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My Developer Evolution: From 'Everything is Vital' to 'Does It Really Matter?'

Roberto Hernando shares how his approach as a senior developer evolved: less obsession with perfect code and the latest library, more focus on delivering rea...

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The Curious Evolution of a Developer: From "Everything is Vital" to "Does It Really Matter?"

Whew, what a journey this web development thing has been, right? I remember my early years, back in my early twenties, when every line of code was a statement of intent and every new library, a promise of a better future. I was obsessed with technical perfection, with staying up-to-date with absolutely everything, and with the idea that my code had to be a museum-worthy work of art. But, just like in life itself, with years and experience, you start to see things differently. This post is a bit of my confession, a look back at everything I unknowingly stopped prioritizing as my role evolved, and why I believe it was one of the best decisions I ever made.


My Junior/Mid Self and the Obsession with the Shiny

When I started, the excitement was constant. Every day I learned something new, and the idea of writing code that was "clean," "scalable," and "modular" to the nth degree consumed me. If a new JS framework came out, I had to try it! If there was a new design pattern, I had to apply it everywhere! My unspoken motto was: "if it's not perfect and the latest, it's not worth it." I'd get into endless technical discussions about which abstraction was the most elegant, or whether we should use a for or a map in a specific case, as if the future of humanity depended on it. And it wasn't bad, mind you; that passion is necessary in the early stages to learn and grow. But of course, I also burned a lot of energy on things that, over time, you realize have a pretty marginal impact.


The Turning Point: When Business Comes Knocking

There came a moment, I think it was when I started taking on more responsibility, or perhaps when I worked on projects where the impact of my work was much more direct on the bottom line, that I started to change my mindset. I realized that my obsession with technical perfection sometimes clashed head-on with delivery speed, with the simplicity the business needed, or even with the team's comprehensibility. What's the use of having the "sexiest" architecture in the world if the client doesn't see the value, or if it takes six months to go into production?

I started to see that my job wasn't just writing code, but solving problems. And the solution to a problem is rarely the most complex or the one that uses the latest buzzword. Often, it's the simplest, the one that's quickly understood, and the one that delivers value as soon as possible. That was the first big thing I stopped prioritizing: the overengineering and the relentless pursuit of the "perfect solution" for every little detail.


Goodbye to Sterile Technical Discussions and the "Library of the Month"

This was a liberation. I got tired of the dialectical battles over which tool was marginally superior to another, or which code convention was the only valid one. I learned that team alignment, long-term code maintainability, and the ability to deliver value are far more important than winning a technical discussion purely out of ego. Now, if I see a conversation dragging on too long without clear progress, I prefer to seek a pragmatic consensus or, directly, propose a solution and move forward. Energy is limited, and I prefer to use it on things that truly matter.

The same goes for the "library of the month." Yes, I like to keep up with new developments, but I no longer feel the imperative need to adopt every new technology that comes out. I value stability, the maturity of a tool and its ecosystem more, and above all, whether it genuinely solves a problem *we have* in a better way than what we already use. Integrating something new always has a cost, and that cost must be offset by a clear and quantifiable benefit. I've learned to be more skeptical and to view the hype for new things with some distance. The speed of a project isn't dictated by your framework's version, but by your team's ability to work efficiently and understand what they're building.


Prioritizing Real Impact and Peace of Mind

Ultimately, all this boils down to a shift in focus towards what truly adds value. For me, as a senior developer, that means:

  • Understanding the business: Knowing why we build what we build. This allows me to make better technical decisions.
  • Simplicity and maintainability: Code that is easy to read, understand, and modify is what lasts and causes the fewest headaches. Sometimes, the simplest solution is the smartest.
  • Mentoring and collaboration: Helping colleagues grow, sharing knowledge, and ensuring the team as a whole is stronger.
  • Effective communication: Translating technical concepts into business language and vice versa, facilitating understanding between different areas.
  • My own peace of mind: Letting go of the anxiety for the "perfect," for the "latest," for the "coolest." Enjoying the process of solving problems, without the self-imposed pressure of unattainable excellence.

I'm no longer obsessed with utopian perfection, but with effectiveness. I don't seek applause for technical brilliance, but for the solution that genuinely helps someone or moves a project forward. It's a subtle, but immensely liberating change.


Final Thoughts

Becoming a senior developer isn't just about knowing more code or more frameworks. For me, it's been more of an unlearning process, of shedding ballast, of realizing that the real value of my work doesn't lie in complexity or novelty, but in the ability to simplify, deliver, and make a positive impact. If you're on that path, I encourage you to review your own priorities. Are you investing your energy in what truly matters? Because at the end of the day, peace of mind and the feeling that your work adds value are priceless.

© 2026
Roberto Hernando
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