3️⃣ Not reading software-related books
For a long time, I didn’t read any software-related books.
I relied mostly on tutorials, short articles, and videos.
They felt more practical and faster to consume.
What I didn’t realize was what I was missing:
Long-form thinking and well-structured mental models
Ideas that stay relevant for years, not weeks. Short content is great for learning how to do something. Books are better at teaching why things work the way they do.
Without reading books, my knowledge stayed shallow and fragmented.
I knew many tools, but I lacked depth in fundamentals like system design, data modeling, and architecture.
I learned this late:
- a few well-chosen books can save you years of trial and error.
Books that changed how I think:
Clean Code — not for rules, but for learning how to read code critically
Designing Data-Intensive Applications — for understanding real-world systems and their trade-offs
The Pragmatic Programmer — for a long-term developer mindset
This link might be helpful if you want to reach some of them
4️⃣ Focusing only on code 🖥️ and ignoring networking opportunities
Another habit I learned too late was attending meetups, events, and developer gatherings.
For a long time, I simply wasn’t aware of these communities:
Google Developer Group meetups, Cloud Days, Developer Days, Java Days, and similar events.
When I finally started attending them, I met many experienced developers and learned far more about industry trends than I expected.
Before that, I used to think:
Networking wasn’t necessary for “real developers”
Skills alone would speak for themselves
Events were mostly marketing or a waste of time
That mindset was limiting.
By not attending events, I literally missed:
How other developers think and work
Industry perspectives outside my own bubble
Opportunities to learn without preparing anything in advance
Networking doesn’t mean selling yourself.It means exchanging context.
Sometimes, a single conversation at a meetup teaches more than hours of solo learning.
Which habits did you realize too late in your developer journey? 👀
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