Declarative Feature Engineering at PayPal
• PayPal uses declarative, config‑based feature engineering to streamline ML workflows. • Data scientists declare feature specs, leaving construction to engineering teams. • Approa
Feature-Engineering
The Problem with Timeseries Data in Machine Learning Feature Systems
• Etsy’s Feature Systems introduced real‑time features via Rivulet, feeding ML models with timeseries data. • A recommendation engineer flagged that Avro timestamp logic caused pre