There was a LeetCode problem round as the first step of the interview, which served as a good gauge of technical and problem-solving skills. It was a medium level one.
More specific question on system design (how to design system with high load scalability) + competitive programming (about basic data struct. and algorithm ex. binary tree question, union find, linked list)
"Successfully cleared the Online Assessment (OA) stage of a competitive hiring process, leading to shortlisting for technical interviews. Demonstrated strong grasp of data structures and algorithms, coding efficiency, and problem-solving skills under time pressure. Ranked among top candidates in a nationwide screening process conducted by leading tech recruiters."