23andMe Machine Learning Infrastructure Engineer interview questions

1. given a list, create another list of same size, where for each word provide a true/false if that word can be formed using other words in the list. And then back to back questions on Big Data- hdfs, presto, parque file, spark, mongodb 2. Behavioral questions, how to resolve conflicts, working with several teams 3. given a string "a<b" , solve it. design an interface for something 4. given the ATCG kinda sequence and a tree, find if the sequence can be validated with the tree. Follow up question- what if the size of the sequence is way too long (as in TB) 5 Questions around logistic regression, linear regression, metrics, which metrics to use, how to start a new ml project in prod 6 questions around image processing and ml- what is activation unit, relu, bias, variance, overfitting, gradient descent, learning rate