Waymo System Design Interview Questions
These are the 9 Waymo system design interview questions AceOffer has reconstructed from candidate reports, sorted by how often each was reported. Evaluation System Design leads at 2×. Every question shows when it was last reported; the catalog refreshes monthly.
Key facts
- •9 distinct system design questions indexed
- •10 candidate reports across those questions
- •Most reported: Evaluation System Design — 2× (last seen April 2026)
- •Refreshed monthly · last updated August 2026
Which Waymo rounds ask system design questions?
The Waymo rounds below are where these questions come up. Counts are distinct questions, not times asked.
Most reported: Evaluation System Design — 2×
Which Waymo system design questions get asked most?
Sorted by candidate-report frequency. Click any question for the full breakdown.
| Question | Round | Reported | Last seen |
|---|---|---|---|
| Evaluation System Design Design an evaluation system for self-driving models. The system must support multiple evaluation modalities: (1) human evaluation (human-in-the-loop annotation and review, similar… | System Design | 2× | April 2026 |
| Parking Lot / Ride-Hailing System Design Design a hybrid parking management and on-demand ride system (similar to an autonomous vehicle fleet operation). Key constraints and behaviors: (1) Customers… | System Design | 1× | September 2025 |
| Elevator System Design Design the operation logic for an elevator system. Start with basic scheduling for a single building: how do you handle up/down call… | System Design | 1× | April 2026 |
| Inference System Design at Scale (100M DAU) Design an ML inference system serving 100M daily active users. Perform a back-of-envelope analysis covering: (1) memory requirements — model weights, KV… | System Design | 1× | May 2026 |
| Ego Behavior Prediction Model System Design Design a machine learning model system for predicting the ego vehicle's future behavior in an autonomous driving context. The design should cover:… | System Design | 1× | September 2025 |
| Simulation Logging and Statistics System Design Design a data system to collect logs produced by autonomous driving simulations and aggregate/compute statistics from those logs. The system must handle… | System Design | 1× | April 2026 |
| Data Storage and Schema Design A system design / data modeling question (asked at Waymo phone screen) covering three interrelated topics: (1) How do you store large… | System Design | 1× | January 2026 |
| AI Chat Model with Autocomplete Search System Design Design an AI chat model with a frontend focus. The core component to design and implement is an autocomplete search bar, including… | System Design | 1× | July 2026 |
| ML Accelerator and Efficiency Optimization One of three independent system design rounds at Waymo for an ML System (runtime/optimization) role. This round focuses on ML accelerator techniques… | System Design | 1× | July 2026 |
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