Google ML System Design Interview Questions

Practice the exact questions companies are asking right now.

14 Questions 1 Company07.10.2026
Showing 14 results
Role
Google logo
Google
Hard
Software Engineer

Design a Scalable and Safe Agentic System

Design a Scalable and Safe Agentic System Design a service that accepts a user goal, lets an AI agent plan and invoke approved tools, and returns a re...

ML System Design
75
0
507 people solved
Jul 10, 2026
Google logo
Google
Medium
Machine Learning Engineer Locked

Design a chatbot over structured and unstructured data

This question evaluates a machine learning engineer's ability to design end-to-end systems that integrate structured and unstructured data, testing co...

ML System Design
17
0
238 people solved
Feb 8, 2026
Google logo
Google
Medium
Machine Learning Engineer Locked

Design an app-store app recommendation system

This question evaluates a candidate's competency in end-to-end machine learning system design for recommender systems, covering personalization, candi...

ML System Design
10
0
200 people solved
Feb 11, 2026
Google logo
Google
Medium
Machine Learning Engineer Locked

Design a fraud detection system

This question evaluates a candidate's competency in designing end-to-end fraud detection machine learning systems, covering real-time and batch featur...

ML System Design
50
1
426 people solved
Jan 22, 2026
Google logo
Google
Hard
Machine Learning Engineer

Design a real-time recommendation system

You are asked to design a real-time recommendation system for a large-scale consumer product (for example, recommending items or content to users in a...

ML System Design
19
0
188 people solved
Dec 8, 2025
Google logo
Google
Hard
Machine Learning Engineer

Design multi-GPU matrix multiplication

Multi-GPU MatMul (2 GPUs): Design and Implementation You are given two GPUs connected via NVLink or PCIe. You must compute C = A × B where: - A is sha...

ML System Design
9
1
141 people solved
Sep 6, 2025
Google logo
Google
Medium
Machine Learning Engineer

Design a Product or Video Recommendation System

Design a recommendation system for a large consumer platform. The platform may recommend either products in an e-commerce feed or videos in a media fe...

ML System Design
21
1
147 people solved
Dec 24, 2025
Google logo
Google
Medium
Software Engineer

Choose Fast or Cheap Models

You are building an AI-powered product and must choose between two inference options for each request: - Option A: higher cost per token, but lower la...

ML System Design
12
0
100 people solved
Jan 10, 2026
Google logo
Google
Hard
Machine Learning Engineer

Explain ML model fundamentals

Explain ML model fundamentals Comprehensive ML Concepts: Logistic Regression, Naive Bayes, Transformers, Multi-class Metrics, Bagging vs Boosting Cont...

ML System Design
48
0
179 people solved
Jul 29, 2025
Google logo
Google
Hard
Machine Learning Engineer

Design feedback-driven recommender

Design feedback-driven recommender Design: Contextual Bandit Recommendation with Online Learning You are designing an online learning recommendation s...

ML System Design
21
0
138 people solved
Jul 29, 2025
Google logo
Google
Medium
Machine Learning EngineerSenior+ Locked

Design ML system for self-driving perception

This question evaluates understanding of end-to-end ML system design for on-vehicle obstacle detection and collision avoidance, encompassing sensor fu...

ML System Design
14
0
117 people solved
Dec 8, 2025
Google logo
Google
Hard
Machine Learning Engineer

Design a reaction-factor prediction system

End-to-End System Design: Predicting a Reaction Factor from Molecule Pairs Context and goal - You have a tabular dataset with columns: - molecule1_n...

ML System Design
6
0
81 people solved
Sep 6, 2025
Google logo
Google
Hard
Software Engineer

Design autonomous cloud monitoring and remediation

Design an AI-Assisted Monitoring and Auto-Remediation Service Context Design a service that monitors cloud applications across multiple providers, col...

ML System Design
9
0
122 people solved
Sep 6, 2025
Google logo
Google
Hard
Software Engineer

Design anomaly detection and response platform

Design an AI-Driven OS Snapshot Anomaly Detection Service Context You are designing a cloud service that ingests operating system (OS) snapshots from ...

ML System Design
8
0
87 people solved
Sep 6, 2025

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