First You have a written test, 6 basic coding problems, easy for someone with 50 leetcode problems.
Then a final technical interview with senior developer, he will ask some IQ questions, in my case it was finding angle between hands of clock and water in 2 buckets.
Application
I applied through an employee referral. I interviewed at Pentaloop
Interview
The interview process consists of a Data Structures related written test (time complexity, linked list and arrays were main focus) and a technical interview afterwards if the test is cleared.
It was 40 minutes basic concepts of oop were asked and some logical problem solving and analytical problems. Most of the basic concepts were what is 4 pillars of oop and composition and aggregation.