The 5 Habits That Separated Me From Junior Developers

Everyone starts as a junior developer. But not everyone grows out of it at the same pace. After years of writing code, mentoring others, and building products, I noticed that the developers who level up fastest all share certain habits. Here are the five that made the biggest difference for me. 1. Reading Code More Than Writing It Junior developers want to write code. Senior developers spend most of their time reading it. When I started intentionally reading open-source codebases, everything changed: I discovered patterns I'd never seen in tutorials I understood WHY certain architectures exist My code reviews became 10x more valuable Try this: Pick one popular open-source project in your stack. Spend 30 minutes a week just reading through the source code. Don't build anything — just read and understand. 2. Asking "Why" Before "How" Juniors ask: "How do I implement this feature?" Seniors ask: "Why do we need this feature?" This single shift prevents: Building features nobody uses Over-e