Qiang Zhao
Senior Software Engineer at The Apache Software Foundation
Beijing, China
Summary
🤩
Rockstar🎓
Top SchoolQiang Zhao is a Senior Software Engineer based in Beijing with six years of experience building and refactoring high-performance Java systems. He currently contributes to and leads platform work at StreamNative and is an active Apache Pulsar committer and PMC member, bringing deep expertise in distributed pub-sub messaging. His open-source contributions to flagship projects like Apache Pulsar and Apache Groovy emphasize Java 8 modernization, performance tuning, and robust exception/serialization fixes. Previously a software architect, he blends hands-on backend engineering with platform-level thinking to simplify complex system internals. As a maintainer in the CNCF Oxia project, he also demonstrates cross-community collaboration and operational awareness beyond core development. Colleagues value his pragmatic refactors that reduce technical debt while enabling scalable, production-ready systems.
6 years of coding experience
4 years of employment as a software developer
Master of Science - MS Computer Science, Master of Science - MS Computer Science at University of Colorado Boulder
English, Chinese
Github Skills (16)
jvm-languages10
javas10
programming-language10
distributed-systems10
refactoring10
messaging10
apache-pulsar10
back-end-development10
groovy10
java10
functional-programming-language9
compiler-compiler9
compiler9
functional-programming9
apache8
Programming languages (11)
Github contributions (5)
apache/pulsar
Jun 2021 - Jan 2023
Apache Pulsar - distributed pub-sub messaging system
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 release, 1607 reviews, 295 commits in 1 year 7 months
Contributions summary:Qiang primarily focused on refactoring existing Java code to utilize Java 8 features. The changes involved refactoring methods, fixing checkstyle issues, and updating various classes within the pulsar-broker directory, including components related to service management and administration. Furthermore, the user addressed issues involving exception handling and corrected issues regarding the serialization of data. The work demonstrates a strong understanding of Java and its application in a distributed messaging system.
event-streamingpulsarmessaging-systemstreamingapache
apache/groovy
Oct 2019 - Nov 2019
Apache Groovy: A powerful multi-faceted programming language for the JVM platform
Role in this project:Back-end Developer
Back-end DeveloperContributions:20 commits in 12 days
Contributions summary:Qiang primarily focused on optimizing and refactoring the Groovy codebase, addressing Java 8 compatibility and improving performance. Their commits reveal efforts to streamline code through the use of lambda expressions and other Java 8 features, targeting various areas of the Groovy language and runtime. They also made contributions involving the Antlr parser plugin and other core components, demonstrating a solid understanding of the project's internals.
static-typinggroovyfunctional-programmingapachemetaprogramming
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