System design
Meta System Design Questions
Every system design problem candidates reported at Meta between September 2025 and September 2026, most-asked first. Each one links to a full solution. Tick them off as you go.
Practice a Meta system design round with me
I'm Alex. I'll pick one of these Meta questions and interview you on it: scope, design, and deep dives.
Companies
OpenAI22
LinkedIn11
Oracle9
Rippling8
Databricks7
NVIDIA6
Pinterest6
Visa4
Adobe4
Anduril1Topics
+2
+2
+2+2
+5+9
+5
+3+7Duplicate reports of the same problem are merged and counted.
Practice with a Mock Interview
Apply these questions in a live system design mock interview with InterviewSkool's AI interviewer.
Start System Design Interview →Frequently Asked Questions
What system design questions does Meta ask?
Candidates reported 26 distinct system design problems at Meta between September 2025 and September 2026, including Online Judge and Coding Contest Platform (LeetCode), Design Boolean Search over User Status Posts, Design an ad click aggregation service.
How to prepare for Meta system design interview?
Start with the Meta problems reported most often, work through each full solution, then practice explaining a design end to end under time pressure in a mock interview.
What is the difference between HLD and LLD at Meta?
HLD (High-Level Design) focuses on system architecture, scalability, and component interactions. LLD (Low-Level Design) dives into class diagrams, API contracts, and database schemas. Meta tests both.