Andong Zhan
Software Engineer at Snowflake
California, United States
Summary
👤
SeniorAndong Zhan is a Staff Software Engineer at Snowflake with 12 years of experience building large-scale data infrastructure and execution runtimes. He helped found Snowpark and drove core innovations—designing secure sandboxed execution, egress controls, and the semantics/engine primitives for Snowpark Pandas to map Pandas APIs onto a distributed system while preserving correctness and order. His work also introduced Apache Arrow as a core query result format, improving platform interoperability and performance. With a PhD focused on large-scale computing and applied ML from Johns Hopkins and engineering roots from Nanjing University, he combines deep research rigor with production-grade system design. Based in Redwood City, he quietly blends platform security, distributed execution, and data interchange expertise to enable safe, scalable user-defined code at cloud scale.
12 years of coding experience
Stackoverflow
13,406reputation
3.3mreached
18answers
11questions
postgresql
top-1%
curl
top-5%
amazon-s3
top-5%
amazon-web-services
top-5%
ubuntu
top-5%
aws-cli
top-5%
Github Skills (34)
postgresql10
driver10
ubuntu9
java9
amazon-web-services9
jdbc9
amazon-s39
sql9
database9
aws-cli9
curl9
parquet9
apache-arrow8
ai8
custom-keyboard8
Programming languages (5)
Github contributions (5)
zad/HopkinsPD_Android
Feb 2016 - Jun 2017
Contributions:55 commits, 3 pushes in 1 year 4 months
cloud-cds/cds-stack
Feb 2017 - Oct 2018
An EHR app platform for creating cloud AI-based clinical decision support tools
Contributions:2300 commits, 4 PRs, 24 pushes in 1 year 8 months
ai
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