Recently interviewed for Microsoft Senior SDE but was downlevelled for SDE-II as I did bad on one interview
Phone Screen:

1. Find the nth element from end of linked list.
   Gave & implemented the optimal solution. Wrote unit tests for several cases with Mock Data.
   Several follow ups on how can we optimize and other Dev ops questions with REST, Web API, HTTP Headers, Unit tests

Virtual Onsite:

Round-1:

System Desing of a Huge bank Statement for enterprise customers. Different tradeoffs if we have to doenload humongous data if for too many transactions.

Round-2:

Nmber of Distinct Islands, Combinations of Phone numbers

Round-3:

Split Array to Disjoint Sets.. #915
this one I bombed as I coldn't come up with optimal solution

Round-4:

System Design of Search Engine and how do we calculate similarity score of billions of Pages.

Very good experience and be prepared to answwer lot of follow ups...
will write up my prep in another post.

Thanks Leet code community for all your help....I will give back in my prep post to this beautiful community

Location: Redmond, WA