As a developer, you probably know the huge benefits of doing code reviews. But code review is a difficult art. And, I will perhaps disappoint you, but on the contrary to what you might think, things do not become easier with time.
Just start thinking about code review? Already using tools as Pull Request or Gerrit? I'm sure you can save time and do even better knowing helpful tips and practical advice. As the CTO of a development team practicing code review from 8 years, I feel ready to share what I've learned.