I applied for a Senior Software Engineer position at Grab in Singapore and failed.
Online coding : codility

I got two questions.

Q1 : https://gist.github.com/rogeliorv/0a4b8e39d25a8d4707169fb81111ff8b

Q2 : https://leetcode.com/discuss/interview-question/306379/dropbox-quality-engineer-phone-screen

Good luck guys and Practice.