Technical Screen

Maximizing Reward as Pixels Reveal One Row at a Time

Jane StreetSoftware Engineer · Technical Screen · Sep 2025

The interview was about solving an actual problem. The setup was an image classification problem using the FashionMNIST dataset. The model (a plain CNN) and the training code were already written, and the task was to modify it question by question from there; the environment they gave me was a Jupyter notebook (.ipynb). There were mainly two parts. After understanding the code (there wasn't much…

Shared by a candidate · reported Sep 2025. Interview formats change; use it as a guide, not a script.