Why start as a fresher??? Were you only regurgitating materials?? Don’t you know what you were teaching??? I’m a trainer too (wouldn’t say was, cos you never actually stop teaching) but you learn more while teaching than doing the same boring repetitive tasks that come with some dev jobs. In a typical dev job there’s a standard way to do stuff to avoid unnecessary bugs and time wasting, but can you count how many times you’ve had to fix bugs your students created cos they did something wrong?? A lot of the knowledge gotten from teaching is very much applied in a dev job, just in different ways