Design a chatbot over structured and unstructured data

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Quick Overview

This question evaluates a machine learning engineer's ability to design end-to-end systems that integrate structured and unstructured data, testing competencies in data architecture, information retrieval, LLM orchestration, access control, privacy, and monitoring within the ML system design domain.

Design a chatbot over structured and unstructured data

Company: Google

Role: Machine Learning Engineer

Category: ML System Design

Difficulty: medium

Interview Round: Onsite

Overview: This question evaluates a machine learning engineer's ability to design end-to-end systems that integrate structured and unstructured data, testing competencies in data architecture, information retrieval, LLM orchestration, access control, privacy, and monitoring within the ML system design domain.

Read the full Google Machine Learning Engineer interview experience this question came from

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Feb 8, 2026
mediumMachine Learning EngineerOnsiteML System Design
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