Technical Screen

Supercharger System Design Where I Never Got Past the First Requirement

TeslaSoftware Engineer · Technical Screen · Sep 2026

I was asked to design a supercharger with 3 requirements: FR1: Billing / amount of energy delivered (stored in the backend) FR2: Health metrics/telemetry from the supercharger stall (long-term data store) FR3: Screen/in-car application: touch the map, nearest available supercharger (price) I tried to follow the script and design an HLD per FR as quickly as possible, but the interviewer wanted to…

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