How do you design ML pipelines for Recommender System ?
Sr Data Scientist Interview Questions
3,382 sr data scientist interview questions shared by candidates
Standard tech stack and experience questions.
Before the final round, I was given a description of a problem that the team would like to resolve. Receiving the description beforehand allowed me to ponder the problem like the rest of the team had. This problem was the focus of a whiteboard discussion with the data science team.
Total hackerrank round(easy level) + 3 round 1st -> Technical with hiring manager (questions on resume, case study to predict CTR, ROC-AUC curve, central limit theorem] 2nd -> With DS Lead [ questions on resume , classification metrics] 3rd -> HR discussion with basic behavioural questions
Experience in microservices and software architecture in machine learning
I lost the steam due to other negative reviews where interviewees did not have practical experience.
Take-home assignment (for a few hours) on predictive modelling
1. Overfitting, underfitting, precision, recall. 2. Tuning hyperparameters. 3. Gradient descent 4. Naive bayes, Pearson correlation coefficient, Hypothesis testing.
In each interview they kept changing the position, but in essence I was asked about hard and soft skills and abilities.
why do you want to work here?
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