Pinterest Engineering10 min readApr 7, 2026

Evolution of Multi-Objective Optimization at Pinterest Home feed

Homefeed: Jiacong He, Dafang He, Jie Cheng (former), Andreanne Lemay, Mostafa Keikha, Rahul Goutam, Dhruvil Deven Badani, Dylan WangContent Quality: Jianing Sun, Qinglong ZengIntroductionIn feed recom

Performance Backend

JenkinsApache AirflowPostgreSQLSparkTensorFlow

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Scaling Recommendation Systems with Request-Level Deduplication

Authors: Matt Lawhon | Sr. Machine Learning Engineer; Filip Ryzner | Machine Learning Engineer II; Kousik Rajesh | Machine Learning Engineer II; Chen Yang |...

HadoopFlinkPostgreSQLKafkaDistributedScalabilityData ProcessingDistributed SystemsRecommendation SystemsData Deduplication

Pinterest Engineering4 min6d ago

Performance for Everyone

Author: Lin Wang (Android Performance Engineer)Default FeatureFor mobile apps, performance is considered as the “default feature”, which means apps are...

Performance

Performance EngineeringMobile App DevelopmentAndroidResponsive Design

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