Hi, @jaforshanto welcome to this amazing platform. I hope you'll get to learn much from Steemit.
I have gone through your introduction, you had introduced yourself very nicely.

Here you can get some basic information about further achievement posts by @cryptokannon.
https://steemit.com/hive-172186/@cryptokannon/achievement-tasks-resources-and-materials-newcomers-retention.

Here's a link for the ongoing contests on Steemit. You can explore many other communities in which you have interest.
https://steemit.com/hive-196725/@rishabh99946/updated-as-on-5th-may-or-compilation-of-on-going-contests-on-steem-or-participate-and-win-steem.

Follow @steemitblog to stay updated.
Don’t hesitate to ask anything regarding any problem.

keep steeming:)