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Engineering

How Opendoor builds: engineering and data science write-ups on the systems behind buying and selling homes.

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5 articles

The Spider-Man pointing meme: several identical Spider-Men point at each other, labeled Opendoor Hosted Projects, Wealthsimple Magic, and Shopify Quick.

EngineeringJul 29, 2026

Now you’re Hosting with Projects

Taming missing features at serving time

EngineeringOct 3, 2019

Taming missing features at serving time

Why we use S3Guard with S3 as a filesystem for Spark

EngineeringMay 14, 2019

Why we use S3Guard with S3 as a filesystem for Spark

Liquidity modeling in real estate using survival analysis

EngineeringFeb 4, 2019

Liquidity modeling in real estate using survival analysis

Why ensembling works: The intuition behind Opendoor’s home pricing

EngineeringNov 21, 2018

Why ensembling works: The intuition behind Opendoor’s home pricing