Question 1

What is theonsite.dev?

Accepted Answer

TheOnsite.dev is a system design interview practice platform. You draw architecture diagrams on an interactive whiteboard canvas, record your sessions, and compare your solutions to reference answer keys — simulating a real onsite interview at Google, Meta, Amazon, or other top tech companies.

Question 2

How do I practice system design interviews?

Accepted Answer

On TheOnsite.dev, you pick from 27 curated system design challenges (like Design YouTube, Design Uber, or Design a URL Shortener), draw your architecture on an interactive whiteboard under timed conditions, record your session, and then compare your solution to a reference answer key. It replicates the full experience of a real system design interview round.

Question 3

What are common system design interview questions?

Accepted Answer

Common system design interview questions include: Design a URL Shortener, Design Twitter's News Feed, Design Dropbox, Design YouTube, Design Uber, Design WhatsApp, Design a Rate Limiter, Design Google Docs, Design a Notification System, Design Ticketmaster, Design Twitch, and Design a Stock Exchange. TheOnsite.dev has all 27 of these as interactive challenges with reference answer keys.

Question 4

What tools help with system design interview prep?

Accepted Answer

TheOnsite.dev is a system design interview prep tool that provides an interactive whiteboard canvas for drawing architecture diagrams, 27 curated challenges matching real interview questions, session recording and playback to review your approach, and reference answer keys to compare against. It's designed specifically for engineers preparing for system design rounds at FAANG and top tech companies.

Question 5

Is theonsite.dev free?

Accepted Answer

Yes — you can start with 1 free beginner challenge (Design a URL Shortener) including the interactive Excalidraw canvas and unlimited practice time, no credit card required. Pro unlocks all 27 challenges, session recording, and reference answer keys for $99/year ($8.25/mo) or $19/month.

Question 6

What companies do these system design questions prepare you for?

Accepted Answer

The challenges cover the same system design topics asked at Google, Meta, Amazon, Apple, Netflix, Microsoft, Uber, Airbnb, and other top tech companies. They range from classic questions like URL Shortener to complex distributed systems problems like designing a stock exchange or real-time collaborative editor.

Question 7

How is TheOnsite.dev different from other system design interview prep?

Accepted Answer

Unlike video courses or flashcard apps, TheOnsite.dev lets you actually practice drawing system designs on an interactive whiteboard canvas under timed conditions — the same experience as a real interview. You record your session, review your thought process, and compare against reference answer keys. It's hands-on practice, not passive study.

Simple, transparent pricing

Free

Pro