Xiuming Chen
Principal Software Engineer at Circle
Cupertino, California, United States
Summary
👤
Senior🎓
Top SchoolXiuming Chen is a Principal Software Engineer based in Cupertino with 13 years of experience building resilient backend systems and leading engineering teams across consumer and infrastructure companies. He has progressed from hands-on roles at Hulu and Instacart to engineering leadership at Lime and Hertz, and now drives platform and product engineering at Circle. Xiuming pairs deep systems expertise—evident from open-source contributions to projects like the RethinkDB Python driver and the Go MySQL driver—with a track record of performance and reliability improvements in production databases and network I/O. He holds an MS in Computer Science from UCLA and a BS in Information Security, combining formal security grounding with pragmatic engineering. Colleagues rely on him for pragmatic refactors that reduce complexity and improve throughput, a pattern that shows up both in code-level optimizations and in cross-functional product delivery.
13 years of coding experience
13 years of employment as a software developer
University of California, Los AngelesBS Information Security, BS Information Security at Shanghai Jiao Tong University
Github Skills (16)
debugging10
databases10
debug10
database-driver10
go10
rethinkdb10
python10
sql10
rethinkdb-go10
mysql10
database10
networking9
algorithms8
data-structures8
data-structure8
Programming languages (11)
Github contributions (5)
go-sql-driver/mysql
Nov 2013 - Nov 2013
Go MySQL Driver is a MySQL driver for Go's (golang) database/sql package
Role in this project:
Back-end Developer
Back-end DeveloperContributions:14 commits in 13 days
Contributions summary:Xiuming primarily focused on optimizing and refactoring the Go MySQL driver. They merged and simplified functions related to packet handling, such as `writePacket` and `readPacket`, improving code clarity. The user also addressed header calculations and buffer management, reducing redundant operations and enhancing efficiency. These changes indicate a focus on improving the driver's core functionality and performance related to network communication and data transfer.
golanggo-mysqldrivermysqlsql-database
rethinkdb/rethinkdb
Sep 2013 - Oct 2013
The open-source database for the realtime web.
Role in this project:Back-end Developer
Back-end DeveloperContributions:5 commits, 1 issue in 19 days
Contributions summary:Xiuming appears to be focused on improving the Python driver for the RethinkDB database. Their contributions involve bug fixes and improvements to the Python driver's `ast.py` file, addressing issues such as undefined variables, format strings, and iterative operations. They also addressed item count compilation errors related to the underlying Makefile. This work likely focused on enhancing the functionality and stability of the RethinkDB driver, specifically its Python implementation.
realtimenosql-databasebackend-as-a-servicereal-timeclient-library
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