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

Chapter 1

Requirements and constraints

Chapter 2

Entities and relationships

Chapter 3

APIs and access patterns

Chapter 4

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.

Run a live loop, get a score, and see the next move.