Whether you are preparing for your first system design round or leveling up to senior, practice with interactive simulations, structured steps, and AI feedback.
From your first HLD to staff-level tradeoffs โ practice at your level
Don't just read about distributed systems. Break them. Fix them. Optimize them. Our interactive widgets let you experience the trade-offs firsthand.
Simulate millions of users competing for limited inventory. Learn race conditions, locking strategies, and queueing.
Visualize encryption, key management, and secure storage implementation details.
Centralized secret storage. No hardcoded creds.
Master GraphQL and REST patterns. Understand schemas, resolvers, and over-fetching issues visually.
Ask for exactly what you need. No over-fetching.
Watch how Adaptive Coach judges the same Requirements draft for Fresher, SDE-1, and Senior โ then moves you forward instead of trapping you.
Demo ยท Adaptive Coach
Switch levels above to see how the ending changes.
The pressure of a real system design round โ without the real stakes.
A strict countdown, no hints โ then an AI hiring-committee debrief scores every phase.
Answer out loud. The AI interviewer listens, follows up, and keeps you talking.
Passed a step? An AI skeptic challenges your design with real follow-up questions.
Be first in line when it launches. No spam.