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/Data modeling and storage/Batch data processing

System designData modeling and storage

Batch data processing

Medium3 min read

Questions it teaches

CSV report generatorMedium30 min

Related

Data modeling and storage Scale and caching Media and uploads Messaging and streams Security and privacy Consistency and money Pipelines and analytics

Leads to: Scale and caching

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

Leads to: Media and uploads

Large file uploads3 min Resumable large-file upload4 min

Leads to: Messaging and streams

Designing team chat3 min Real-time personalization4 min

Leads to: Security and privacy

API key issuance and auth3 min Designing team file share3 min

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

About Legal Contact Cookies Your privacy choices

Home Review Tracks Paths