Heng Zhang
Engineer at Sierra
California, United States
Summary
👤
Senior🎓
Top SchoolHeng Zhang is an engineer with 11 years of experience building large-scale data and ML infrastructure, currently at Sierra after a tenure as Staff Software Engineer at Pinterest where he led teams to design PB-scale ingestion, ETL, feature engineering and a 10x-scaled rule engine platform. His work spans real-time streaming, data lakehouse stacks, logging and queue systems using open-source technologies, with prior roles focused on Kafka-based ingestion, Solr/Lucene indexing, and Kubernetes microservices. A PhD-trained researcher, he has published on multimodal machine learning and mobile active authentication and spent time as a visiting researcher at Google ATAP, reflecting a strong bridge between research and production. He enjoys engaging the community—previous talks cover data infrastructure and applications—and is focused now on agent-driven systems, bringing both deep systems thinking and research-informed perspectives to product-scale challenges.
11 years of coding experience
8 years of employment as a software developer
Doctor of Philosophy - PhD, Doctor of Philosophy - PhD at University of Maryland
Chinese, English
Github Skills (11)
extensible10
uploading10
logging10
pulsar9
high-performance9
kafka9
agent9
java3
apache2
apache-iceberg1
big-data1
Programming languages (2)
Github contributions (5)
zzhhhzz/singer
Sep 2019 - Jan 2021
A high-performance, reliable and extensible logging agent for uploading data to Kafka, Pulsar, etc.
Contributions:77 pushes, 61 branches, 7 comments in 1 year 4 months
servicenowpulsaragentredis-streamslogging
zzhhhzz/iceberg
Mar 2023 - Aug 2023
Apache Iceberg
Contributions:5 pushes, 7 branches in 5 months
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