The most valuable piece of advice I received early in my programming career: write unit tests. For many inexperienced developers, the requirement to write them causes procrastination or boredom. I still get lazy sometimes, but I still do it. And here I am not talking about the fact that in Avito for a backend developer, writing units for your logic is considered in most cases a necessary requirement for your pull request to be approved, but more about the fact that I really understand the value of this.➤ Read more...