I want to know how should I start preparing for Data/Applied Scientist role for the above-mentioned companies. To what extent do I need to prepare Data Structures and Algorithms, and what level of ML preparation is needed(for ex should know all the mathematical derivations, etc). #datascience #machinelearning #faang #google #meta #microsoft #apple
For MIcrosoft, I had my final round with a principal, he went a bit deep. For e.g. he gave me 6 data points, univariate categorical variable n target 0,1 and asked me to build a decision tree upto depth 2. He saw how I made the split with Gini.