Architecture Interview Questions

13 real Architecture questions asked in live technical interviews — each with a model answer. Updated weekly.

🎤 Auto-captured by Assisting AI during live interviews

These Architecture 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.

What is Spark architecture and how does it work?🟡 Medium · Conceptual · Asked 95×How do you optimize slow running query?🟢 Easy · Asked 46×What is an agentic service? Consider it as a microservice.🟡 Medium · Conceptual · Asked 2×Can you tell me the architecture of that project and how you utilized this new trick?🟡 Medium · System Design · Asked 1×Explain how you would estimate the cost of an architecture.🟡 Medium · Conceptual · Asked 1×Can you explain the complete architecture of any one of the projects you are fully familiar with?🟡 Medium · Conceptual · Asked 1×Can you explain the architecture of Spark?🟡 Medium · Conceptual · Asked 1×Will you explain the architecture of the Enterprise ETL pipeline you have designed?🟡 Medium · Conceptual · Asked 1×Can you describe the project and the architecture you followed for delivering an AWS solution, including data ingestion and transformations?🟡 Medium · Behavioral · Asked 1×Can you explain the architecture you used, which tools you employed, and where you implemented the logic?🟡 Medium · Conceptual · Asked 1×Our today's topic is the Catalyst Optimizer. It is one of the well‑known concepts in Spark and is commonly asked in interviews. Can you explain the role of the Catalyst Optimizer in Spark's architecture?🟡 Medium · Conceptual · Asked 1×Are you versed with PySpark architecture?🟡 Medium · Conceptual · Asked 1×Give me a complete architecture of the project.🟡 Medium · System Design · Asked 1×

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