While I cannot vouch for whether or not this will land you an interview, HackerRank was very useful in preparing for interviews. Also, the team is great - I si

While I cannot vouch for whether or not this will land you an interview, HackerRank was very useful in preparing for interviews. Also, the team is great - I signed up a long time ago and had some performance feedback for Vivek. They promptly implemented the change within a day. I haven't used it recently, but at the very least you'll get something out of it if you need practice.