Practice the questions that still come up most often: system design, low-level design, and behavioral rounds. The goal here is simple: fewer random prompts, better prep.
22 system design prompts0 saved0 completedrealistic round lengthupdated for 2026
Company signals
What interviewers still ask a lot
Most loops still lean on the basics: infra, product thinking, realtime systems, and a few newer AI questions.
Google / General
URL Shortener • Rate Limiter • Distributed Cache
Meta
Instagram • Ticket Booking • Ad Click Aggregator
Amazon
Amazon Lockers • Restaurant Booking • YouTube
23 prompts showingPick one lane and stay focusedOpen any card for the talking points
Core System Design
System design rounds
Behavioral Prep
Behavioral rounds
These are the stories that usually decide how senior and clear-headed you sound in the room.
10 behavioral prompts
Company themes
What panels usually care about
Amazon
Ownership • Dive deep • Disagree and commit
Meta
Fast execution • Conflict handling • Impact stories
Google / General
Ambiguity • Collaboration • Learning velocity
LLD / OOP
Low-level design rounds
Keep these separate from system design. Here the interviewer usually wants clean classes, sensible responsibilities, and sharp object modeling across 18 common prompts.
18 LLD prompts
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