It takes more than one month. Please don't apply to the company. It is more than ridiculous. If you submitted code correctly, then you'll likely be rejected after 1 month.
Coding Challenge
The following metrics were computed from 1 interview experience for the Zillow Software Development Engineer, Machine Learning role in Seattle, Washington.
Zillow's interview process for their Software Development Engineer, Machine Learning roles in Seattle, Washington is extremely selective, failing the vast majority of engineers.
Candidates reported having very negative feelings for Zillow's Software Development Engineer, Machine Learning interview process in Seattle, Washington.