Penghan Wang
Infrastructure Engineer at HeyGen
Singapore
Summary
🤩
Rockstar🎓
Top SchoolPenghan Wang is an infrastructure engineer with 12 years of experience building scalable observability and backend systems, currently working in San Francisco for HeyGen. A founding engineer at Dashbase (acquired by AppDynamics), he has led China engineering and UI efforts while later contributing to AppDynamics’ logging and DB monitoring products. He is an active open-source contributor to the prominent OpenTelemetry Collector Contrib project, where he implemented a syslog input operator, improved parsing robustness, and fixed data races. Penghan combines full-stack instincts from earlier startup and NGO work—building an elastic judge cluster that processed tens of millions of submissions—with deep systems expertise in Go and distributed data pipelines. He’s comfortable moving between research-driven prototyping and production-grade infrastructure, and often surfaces subtle reliability fixes before they become incidents. Trained in telecommunications engineering, he blends protocol-level understanding with practical cloud-native observability.
12 years of coding experience
12 years of employment as a software developer
Bachelor of Engineering - BE Telecommunications Engineering, Bachelor of Engineering - BE Telecommunications Engineering at Hangzhou Dianzi University
Chinese, English
Github Skills (10)
opentelemetry10
parser10
go10
parsing10
parse10
syslog10
configuration-management9
data-structures8
data-structure8
cicd8
Programming languages (18)
Github contributions (5)
open-telemetry/opentelemetry-collector-contrib
Feb 2021 - Apr 2021
Contrib repository for the OpenTelemetry Collector
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 reviews, 13 commits, 4 PRs in 1 month
Contributions summary:Penghan primarily contributed to the OpenTelemetry Collector Contrib repository by implementing new features related to the syslog input operator. Their work involved adding a syslog input operator, modifying the syslog parser, and fixing data race issues within the parser. They also refactored the configuration for the syslog input by embedding the parser config. Moreover, the user added support for mapstructure, and improved the makefile.
opentelemetry-collectoropentelemetryopen-telemetry
WPH95/tidb
Apr 2018 - Dec 2021
TiDB is a distributed HTAP database compatible with the MySQL protocol
Contributions:20 PRs, 11 pushes, 14 branches in 3 years 9 months
databasemysqltidb
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