How do I approach System Design interview questions?

System Design questions require understanding of core concepts and practice. PracHub provides solutions with explanations to help you master system design interviews.

What difficulty level is this interview question?

This is a easy difficulty System Design question, commonly asked during Onsite rounds at Meta.

What role is this question designed for?

This question is commonly asked for Machine Learning Engineer candidates at Meta during technical interviews.

Design an Online Coding Judge

Last updated: Jun 29, 2026

Quick Overview

This question evaluates system design and scalability skills for building a high-throughput, low-latency online coding judge, covering distributed architecture, queuing and scheduling, secure sandboxed code execution, data modeling for problems, submissions and results, and observability.

|Home/System Design/Meta

Design an Online Coding Judge

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Design an Online Coding Judge

Last updated: Jun 29, 2026

Quick Overview

|Home/System Design/Meta

Design an Online Coding Judge

Submit Your Answer to Earn 20XP

Loading comments...

Browse More Questions

More System Design•More Meta•More Machine Learning Engineer•Meta Machine Learning Engineer•Meta System Design•Machine Learning Engineer System Design

Your design canvas — auto-saved