Heng is a staff engineer and tech lead at Pinterest, where he specializes in data ingestion, stream processing, incremental processing and lakehouse architectures at PB scale with open-source technologies like Kafka, Flink, Iceberg and Spark. He has architected scalable systems and critical pipelines aiming to improve user experience and monetization at Pinterest and he is a frequent speaker at various tech conferences on these subjects. He earned his PH.D degree from University of Maryland, College Park with thesis on multimodal machine learning and active authentication on mobile devices.