I was asked to finish a Hackerrank coding test and then a round of data-cleansing exercise. I passed the Hackerrank coding test flawlessly, and made to next stage to finish the data-cleansing exercise. After the submission, I was told there were more suitable candidates with no feedback.
Interview questions [1]
Question 1
Hackerrank coding test: coding tests and questions about some basic CS concepts Data cleansing exercise: a dataset of etf prices and signal, asked about the quality and effectiveness of signal