Every experienced developer has that one lesson they wish they had learned earlier.
Mine: Building the right thing is often harder than building the thing right.
I was reading a GeekyAnts article about AI in healthcare products, and one point really stood out: teams often focus on accelerating development, but real users rarely behave the way we expect. A product can be technically solid and still fail if it doesn't solve the right problem or account for real-world usage.
That made me think about all the lessons we've learned through mistakes.
What's one engineering lesson you learned the hard way that completely changed how you build software?
Zeba Mushtaq
AI & Data Science Specialist | Building ML models, NLP systems & real-world AI apps 🚀
Mine was simple but painful: don't skip EDA thinking you'll "fix it later." I'm currently mid-project on a 33-feature dataset and the one time I rushed past a preprocessing decision, I caught the mistake three steps later and had to redo everything from scratch. Now I treat EDA as the actual work, not the warm-up