It takes time and dedication to become a skilled FileMaker developer.
You can set about learning on your own. Hit the ground running by buying my Quick and Dirty Guide to FileMaker. Download the trial. Work your way through the FileMaker Training. Buy the software and practice, practice, practice. Most of your questions can be answered with a quick online search. Most of the FileMaker community is very generous with its knowledge.
For more formal training, check my Help! page for a list of additional resources.
If you have questions, contact me and I'll help you if I can. You' got this!
The Glamorous Life of a FileMaker Developer