RejectedTechnical Screen
Broad Topics, Fast Answers, and a Rejection
C3 AIData Scientist · Technical Screen · Aug 2026
Problem Solving How would you predict the amount of food to keep in storage? This was a fairly basic data science case. ML / Algorithms Bias-variance tradeoff Curse of dimensionality Bagging versus boosting PCA Autoencoders Gradient descent How to keep gradient descent from getting stuck in a local minimum How to evaluate RAG Transformers versus RNNs How to calculate the complexity of attention s…
Shared by a candidate · reported Aug 2026. Interview formats change; use it as a guide, not a script.