4,500 Stores Before Sunrise

A medium Pipeline Design interview practice problem on DataDriven. Write and execute real pipeline design code with instant grading.

Domain

Pipeline Design

Difficulty

medium

Seniority

L5

Problem

Every night, 4,500 stores each upload a CSV of current inventory to S3. The replenishment team needs clean, validated data in the warehouse by 7 AM. Some files arrive late, some are malformed, and re-runs have been producing duplicates. Design the pipeline.

Summary

The shelves open at 7. The data better be there.

Practice This Problem

Solve this Pipeline Design problem with real code execution. DataDriven runs your solution and grades it automatically.