Sichen Zhao
Senior Software Engineer at ClickHouse
Greater Seattle Area United States
Summary
🤩
Rockstar🎓
Top SchoolSichen Zhao is a Senior Software Engineer with 11 years of experience designing and shipping large distributed cloud services, currently building ClickHouse Cloud from the Greater Seattle Area. He brings deep systems and language fluency—Java, C#, Python, C++, and OCaml—honed across roles at AWS where he launched and improved Amazon Kendra and led major RDS SQL Server refactors and HA/restore features. His track record includes delivering security- and compliance-sensitive capabilities (cross-region TDE snapshot copy, CDC, HIPAA support) and hands-on work across infrastructure, data, and UI tooling. Comfortable owning end-to-end delivery, he has moved between startups and hyperscale engineering with a pragmatic focus on reliability and efficiency. A Waterloo-trained computer scientist, he pairs rigorous algorithmic thinking (earlier OCaml/C++ codegen work) with cloud-scale product experience. Colleagues describe him as a versatile problem-solver who surfaces subtle system-level improvements that materially reduce operational cost and risk.
11 years of coding experience
7 years of employment as a software developer
High School Diploma, High School Diploma at Beijing No.4 High SchoolBachelor of Mathematics, Computer Science, Bachelor of Mathematics, Computer Science at University of Waterloo
English, Chinese
Github Skills (44)
monitoring10
bigquery10
mysql10
big-data10
networking10
integrations10
analytics10
security10
olap10
kernel10
mpp10
sql10
ai10
clickhouse-client10
datadog10
Programming languages (6)
Github contributions (5)
sichenzhao/ClickHouse
Jan 2023 - Jun 2024
ClickHouse® is a free analytics DBMS for big data
Contributions:13 pushes, 4 branches in 1 year 4 months
data-analyticsanalyticsdbmsmysqlsql
sichenzhao/integrations-core
May 2023 - Jul 2023
Core integrations of the Datadog Agent
Contributions:2 pushes, 1 branch in 1 month
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