Katkat
Onsite

Five Onsite Rounds Including a Live AI Coding Challenge

DoorDashSoftware Engineer · Onsite · Sep 2026

Round 1 — Code Craft: Bootstrap / Aggregator API Problem You are tasked with implementing an API that exposes the required information and is as resilient to failures as possible in order to ensure a good user experience. Implement a Bootstrap API that takes a user_id, pulls information from three existing upstream services — Consumer, Payment, and Address — and combines it into a single response…

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