Chengyan Zhan
Software Engineer at Google
San Francisco Bay Area United States
Summary
👤
Senior🎓
Top SchoolChengyan Zhan is a software engineer with eight years of experience building server-side systems, currently contributing to Cloud Services Management and Security at Google after earlier work on the YouTube Commerce Platform. With a strong foundations in chemistry and advanced degrees in both chemistry and computer science from Cornell, he brings a research-minded approach to engineering problems and has experience bridging academia and industry. He is an active backend and database engineer in open source, notably contributing Kudu datastore integration and data-indexing improvements to the GeoWave geospatial indexing project. Comfortable working across large-scale distributed datastores and data serialization challenges, he combines low-level database expertise with production security and cloud service experience in the San Francisco Bay Area.
8 years of coding experience
4 years of employment as a software developer
Bachelor of Science - BS, Chemistry, Bachelor of Science - BS, Chemistry at Nanjing UniversityMaster of Science - MS, Chemistry, Master of Science - MS, Chemistry at Cornell UniversityHigh School, High School at Chengdu No.7 High School
English, Chinese
Github Skills (19)
back-end-development10
databases10
indexing10
java10
indexed10
javas10
indexer10
database10
kudu10
spatial-data9
geospatial9
geo9
spatial9
accumulo8
dynamodb5
Programming languages (2)
Github contributions (5)
locationtech/geowave
Feb 2019 - May 2019
GeoWave provides geospatial and temporal indexing on top of Accumulo, HBase, BigTable, Cassandra, Kudu, Redis, RocksDB, and DynamoDB.
Role in this project:
Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:5 commits, 2 PRs in 2 months
Contributions summary:Chengyan primarily contributed to the Kudu datastore integration within the GeoWave project. Their work involved implementing Kudu-specific reader and writer functionality, including the creation of a basic Kudu reader for reading data. They also addressed data serialization issues within the Kudu datastore and made updates to the Kudu operations for data index support. Their contributions involved creating Kudu data index, adding functionality to handle data indexing, and resolving issues related to the deserialization of data, and optimizing the KuduRangeRead class.
indexingon-tophbasekudupartitioning
jhseung/Plants-v-Zombies
Mar 2018 - May 2018
Contributions:34 commits in 1 month
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