Wang Chengming
Backend Developer at Ant Group
Chengdu City, Sichuan, China
Summary
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RockstarWang Chengming is a backend developer based in Chengdu with seven years of hands-on experience building and optimizing Java microservices. He has contributed to Apache Dubbo, a high-profile RPC and microservice framework, where he implemented core components, fixed HTTPS bugs, enforced coding standards, and improved performance and metadata module reliability. Comfortable working in large open-source codebases, he focuses on pragmatic refactoring, test coverage, and removing duplication to deliver maintainable systems. His work shows attention to both code quality and runtime efficiency, suggesting strength in diagnosing production issues and optimizing hotspots. Fluent in backend patterns and Java ecosystems, he brings steady delivery discipline and a practical open-source mindset to engineering teams. An understated detail: his contributions balance stylistic improvements with substantive bug fixes, indicating both craftsmanship and impact.
7 years of coding experience
Github Skills (12)
application-framework10
javas10
app-framework10
web-framework10
microservices-application10
rpc10
microservices10
apache-dubbo10
java10
testing9
distributed-systems9
grpc8
Programming languages (8)
Github contributions (5)
apache/dubbo
Aug 2021 - Jul 2022
The java implementation of Apache Dubbo. An RPC and microservice framework.
Role in this project:
Backend Developer
Backend DeveloperContributions:104 reviews, 74 commits, 107 PRs in 10 months
Contributions summary:Wang primarily contributed to the Java-based Apache Dubbo framework, implementing and refactoring core components. Their commits addressed issues related to code style, such as enforcing CamelCase naming conventions, and improved functionality by moving code between branches and fixing bugs, notably related to HTTPS usage. They also made optimizations to improve the performance of the project, removing duplicate code and streamlining aspects of the metadata module, as well as enhancing unit tests.
apache-dubbojavamicroservice-frameworkrpcdubbo
wangchengming666/Java-multithreading
Mar 2019 - Feb 2023
Contributions:167 pushes, 1 branch in 3 years 10 months
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