I guess this boils down to difficulties in building strong relationships remotely. I would definitely recommend traveling occasionally to build relationship with your remote folks.
21 karma · joined November 10, 2016
>> simply practiced interview questions for about three to four months, every day, from morning till night. I then had three phone interviews around November, which I passed.
It's interesting (& funny) to see both high schoolers and experienced people spend similar amount of time (~several months) practicing for these types of technical interviews.
I learned a lot from them, he gives a methodology and some rules of thumbs for approaching DP problems, which I found very useful.