I had applied for L4 opening in Uber. After a few days, I received a mail with an OA link to be completed within 2 days. Completed the OA, and was invited for an in person hiring drive in Uber Bangalore office.

Online Assessment -
2 Leetcode medium level questions.
One of them was similar to https://leetcode.com/problems/minimum-edge-reversals-so-every-node-is-reachable/description/?envType=company&envId=microsoft&favoriteSlug=microsoft-six-months

The other I don't remember.

Screening round -
You are given an undirected tree. You have to find the minimum time taken to burn the entire tree. You can start a fire from any node. From one node, the fire splits to all its adjacent nodes in 1 time unit.

Decision: Rejected