What is Software Developer? - I

Someone who create and develops Software!
But why?

Software does help our repeated-task, so we let the computer do the work.
But how computer knows what to do?

Us!
As a software developer we tell the "computer" what should it do.

Ok, what computer can do, i mean he don't have hands or legs to move things physically, yea of course, what they manage is data. To be exact data that stored in digital.

Data could be anything, a picture, a text, a number, excel sheet files.

So, software developer tells computer to manage data, the definition still very general hopefully it helps you to understand better.