I m a back end developer who is providing rest api services thorough laravel and MySQL. What are the things I need to learn to handle a project backend on my own.

What is it you do now? Because it seems to me you already are...

Yes I m doing it for 3 months. I can provide api services and I can send responses with data from database.
I want to know what I needs to learn to handle project in my own. Like I need suggestion on laravel concepts to learn.

@joyjeba if you want to learn laravel concepts you could browse laracast for ideas or if you have the cash join and follow some tutorials

Learn about module to avoid mess