RejectedTechnical Screen

A CDF Coding Question, Constant Interruptions, and a Second Round That Never Happened

UberData Scientist · Technical Screen · Jan 2026

The coding question was: given a PDF, compute the CDF. Then the case question was about designing an ETA system — what you need to consider. This was my first interview, and I found this interviewer's style was completely different from the paid mock interviews I'd done before. When I did mock interviews before, several people advised me not to think out loud while talking — better to take a minu…

Shared by a candidate · reported Jan 2026. Interview formats change; use it as a guide, not a script.