Media.net Interview Experience for SDE

I recently had an interview with Media.net for the position of Software Engineer intern. The interview was scheduled after I received a call .

Previous Experience:
Btech from tier 2
Passout:2023
Working in a small product-based company.

First Round

Two programming questions which were relatively easy, medium level

Second Round

• This round was with a Sr. Software Engineer. also asked one coding question 
• Two DSA questions => Easy to moderate
• Two SQL query
• 1 MongoDB query
• Few CS fundamental questions

Third Round

This was the CTO/HR round, he asked about previous experience and work for about 15 minutes with lots of cross-questioning, then gave 1 DSA question it was of moderate level though my code failed on one edge case.
Second was a discussion on the System design of a Chatting Application like Whatsapp