Xiaohui Sun
Staff Software Engineer at Databricks
Mountain View, California, United States
Summary
🤩
Rockstar🎓
Top SchoolXiaohui Sun is a Staff Software Engineer based in Mountain View with over a decade of experience building and scaling large-scale data infrastructure for analytics, machine learning, experimentation, and governance. Currently leading infra engineers at Databricks to build the next-generation data lake platform, Xiaohui drives projects spanning data ingestion, validation, metadata management and data services. Previously at Airbnb and LinkedIn they led feature and metrics platforms—open-sourcing Chronon-style feature tooling and scaling metrics pipelines 10x while making core computations significantly faster. Earlier work at Microsoft included operating one of the largest enterprise datasets (400+ PB) and contributing to Apache Pinot/ThirdEye, reflecting a blend of production rigor and open-source impact. Known for hands-on execution in Hadoop, Spark, Kafka and Java/C-family stacks, Xiaohui pairs technical depth with team-building and pragmatic product focus.
7 years of coding experience
12 years of employment as a software developer
Doctor Computer Science, Doctor Computer Science at University of Chinese Academy of SciencesBachelor Electrical and Electronics Engineering, Bachelor Electrical and Electronics Engineering at Nankai University
Github Skills (35)
data-stream10
trino10
apache-pinot10
sql-parser10
spark10
parser10
bigquery10
realtime10
postgresql10
sqlite10
apache-flink10
python10
translation10
mysql10
snowflake10
Programming languages (3)
Github contributions (5)
xiaohui-sun/incubator-pinot
Nov 2018 - Jun 2020
Apache Pinot (Incubating) - A realtime distributed OLAP datastore
Contributions:2 PRs, 58 pushes, 67 branches in 1 year 7 months
incubatingrealtimeolapapachedatastore
xiaohui-sun/sqlglot
Aug 2024 - Aug 2024
Python SQL Parser and Transpiler
Contributions:12 pushes, 1 branch in 3 days
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