I applied online. The process took 3 weeks. I interviewed at Walmart (Bengaluru) in Apr 2025
Interview
Not very well structured and every round involved was mix up of everything - resume based, pandas and DSA based coding , baiscs around Descion trees, XGBoost, clustering , probability, GenAI (Transformers, Bert ) , cross entropy maths etc.
Interview questions [1]
Question 1
1. How to cluster concentric clusters
2. P(X> t) given mean, std of normal distr
3. How do you follow advancements in Gen AI
4. How to improve bert
5. Xgboost , adaboost , rf based bias var
6. Why we need assumptions in arima, can we fit arima for straight line equation