Master System Design Interviews
Step by Step
Practice HLD problems with AI-powered feedback, structured stages, and instant scoring. No more guessing if you're ready.
✓ No credit card required✓ Curated problems✓ Instant AI feedback
Practice Like a Real Interview
Our stage-based approach mirrors actual FAANG system design interviews
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7 Structured Stages
- Functional Requirements
- Non-Functional Requirements
- BOE calculations
- Entities
- APIs
- Architecture
- Deep dive
Try scoring 75%+ on each stage before moving on.
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Instant Feedback
- Scored in seconds by AI
- See strengths and gaps clearly
- Actionable guidance to improve
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Master Each Stage
- Dashboard shows your scores
- Track time spent and weak areas
- Retry until mastery
Why ArchDojo?
| Traditional Prep | ArchDojo |
|---|---|
| 📚 Read books & watch videos | ✅ Interactive practice with feedback |
| 💸 $200+ per mock interview | ✅ Unlimited practice, affordable |
| ⏰ Schedule with interviewers | ✅ Practice anytime, instant results |
| 🤔 Unsure if you're ready | ✅ Track mastery with clear scores |
| 📝 Generic feedback | ✅ Detailed, stage-specific guidance |
Loved by Engineers
"ArchDojo helped me identify gaps in my BOE calculations.!"
— Priya S., Senior Engineer
"The stage-based approach forced me to be thorough. Best system design prep I've used."
— Karan M., SDE-2
"Instant feedback was a game-changer. I could practice at 2 AM and still improve."
— Alex R., Staff Engineer
Real Interview Problems
Practice with questions asked at top tech companies
Ready to Ace Your Next Interview?
Join hundreds of engineers mastering system design.