AbbVie Research Scientist interview experience

Once the conversation got technical, it felt like they were quickly checking whether I could handle concrete machine learning concepts rather than staying at a high level.

They asked me to explain how XGBoost and other tree-based classification models work, and they also tested my familiarity with TensorFlow and scikit-learn. The questions were direct and seemed designed to see how I would articulate the underlying ideas while connecting them to real modeling choices.

I ended up receiving an offer, and the experience overall felt efficient and focused—behavioral first, then a clear