Skip to content

Tracks

AI-assisted engineering Working with AI Agents System design Core systems Data and AI systems Coding Coding problems Code review On-call SQL

Practice

Paths Concept guides

FreeAd-supported

The plan adds AI feedback and removes ads.

Concept guides/Real-time systems/Edge realtime sync

System designReal-time systems

Edge realtime sync

Hard3 min read

Questions it teaches

Offline-first collaborative syncHard50 min

Related

Real-time systems Messaging and streams Scale and caching Consistency and money

Builds on: Messaging and streams

Designing team chat3 min Real-time personalization4 min

Builds on: Scale and caching

Connection pool proxy3 min Connection pooling proxy (gateway)3 min

Related: Consistency and money

E-commerce inventory (overselling)3 min QR ticketing3 min

© 2026 Prep Room·From California·AI can make mistakes.

About Legal Contact Cookies Your privacy choices

Home Review Tracks Paths