Post link: https://www.facebook.com/groups/jugbd/posts/5155074924539151/
Mukit Chowdhury:
Leetcode and codeforces are great places to practise problem-solving while learning the best practises for using Java. In order to become a backend developer, you may begin with Spring boot. And if you want to put what you’ve learned to the test, you may work on some personal projects.
Kaz Software has a blog with some good project ideas for the fresher.