Team lead in a product company
Position interview for : SDE III (one of the interviewer mentioned its equal to Team lead/Architect

1 System Design round followed by 2 coding rounds.

Design : design whatsapp like messaging app which handle 20k transactions.
Interview :

1. https://leetcode.com/problems/jump-game-ii/
   solved in O(n)
2. LRU cache : solved using Linked list and map.