4 weeks · Intermediate

System design and data modeling sprint

A technical interview sprint that treats systems and data models as one coherent product architecture skill.

Built for

Backend, full-stack, data, and platform engineers
Sequence

Plan chapters

Requirements and constraints
Entities and relationships
APIs and access patterns
Scale and reliability
Outcomes

What you should be able to do

Design cleaner schemas
Map data flow
Defend storage choices
Explain architecture trade-offs

Use the preview as the map. Use Hatch for the reps.

Public previews show the map. The app gives you reps, Hatch follow-ups, FLOW feedback, weak-move drills, and saved proof of progress.

Start a free rep