System Design Interview Questions

11 real System Design questions asked in live technical interviews — each with a model answer. Updated weekly.

🎤 Auto-captured by Assisting AI during live interviews

These System Design interview questions were captured from real interviews by candidates using Assisting AI. Each links to a full model answer. For real-time help during your own interview, get Assisting AI from ₹500/day.

Suppose we have an enterprise‑level AI system that discovers database tables and metadata, executes read‑only queries, and audits various items with many concurrent users. How would you architect this system?🔴 Hard · System Design · Asked 1×We have an AI system that uses Hibernate and Azure Databricks. How would you design the MCP server?🟡 Medium · System Design · Asked 1×Design the HLD and LLD diagram.🟡 Medium · System Design · Asked 1×Design a diagram.🟡 Medium · System Design · Asked 1×How should I prepare for a data engineering interview? Should I focus on system design, and what topics should I study?🟢 Easy · Conceptual · Asked 1×Is this a data collection system? Are we going to use PostgreSQL?🟡 Medium · System Design · Asked 1×You can choose any tools for a system of any size, e.g., 1TB, AMISO. Define the requirements, justify the tools you would select, and explain your reasoning.🟡 Medium · Conceptual · Asked 1×Give me a complete architecture of the project.🟡 Medium · System Design · Asked 1×How would you design a system that parses incoming messages, sends them to backend code, intercepts responses, and sends them back to the UI using Pub/Sub?🔴 Hard · System Design · Asked 1×Which fault‑tolerant process do you apply last in a system?🟡 Medium · Conceptual · Asked 1×Let's say thousands of tags are triggered at the same point at the same time, and the backend control system fails.🟡 Medium · System Design · Asked 1×

🎤 Get System Design questions answered in real-time

Assisting AI listens to your interview, captures questions live, and gives you instant AI-powered answers on a discreet on-screen overlay.

Get Assisting AI — Starts at ₹500

Browse Other Topics