Junduo Dong
Software Engineer at ByteDance
Wuhan, Hubei, China
Summary
🤩
Rockstar🎓
Top SchoolJunduo Dong is a software engineer with nine years of experience building backend systems and contributing to major open-source projects. Based in Wuhan, he has strengthened cloud-native API gateway functionality at Apache APISIX—refactoring admin interfaces, adding HEAD support, and improving CLI tooling—and improved TiDB code quality and performance by addressing dead code and pushing functions to TiFlash. His industry experience spans fintech risk systems at Ant Group and microservices infra at Xiaomi, and he currently works at ByteDance. A compiler and database enthusiast (he signs as "dj"), he combines pragmatic production coding with deep systems curiosity, evidenced by contributions that touch both tooling and core database internals.
9 years of coding experience
3 years of employment as a software developer
Master of Science - MS, Computer Software Engineering, Master of Science - MS, Computer Software Engineering at China University of Geosciences
English, Chinese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (25)
api-management10
apidoc10
mysql10
tidb10
etcd10
lua10
go10
api10
api-gateway10
sql10
cloud-native10
api-design9
restful-api9
reverse-proxy9
api-rest9
Programming languages (13)
Github contributions (5)
pingcap/tidb
Mar 2021 - Sep 2022
TiDB - the open-source, cloud-native, distributed SQL database designed for modern applications.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:33 reviews, 12 commits, 15 PRs in 1 year 7 months
Contributions summary:Junduo primarily focused on fixing linter errors related to dead code, improving code quality and maintainability within the TiDB database system. These fixes were applied across multiple modules, including store, expression, planner, executor, and plugin, indicating a broad understanding of the codebase. They also introduced a new global variable to control historical statistics, suggesting work on database performance and data analysis features. Additionally, the user contributed code that pushed down BIN function to TiFlash.
ai-poweredtidbserverlesshtapreal-time
apache/apisix
Dec 2022 - Jan 2023
The Cloud-Native API Gateway
Role in this project:Back-end Developer
Back-end DeveloperContributions:44 reviews, 2 commits, 14 PRs in 21 days
Contributions summary:Junduo primarily focused on refactoring and improving the admin interface of the API Gateway. They made substantial changes to the `resource.lua`, `routes.lua`, and other related files to streamline resource management, including routes, protos, services, and various configurations. Furthermore, the user added support for the `HEAD` method and implemented fixes to address reported issues, thereby contributing to the stability and functionality of the admin API. They also introduced improvements to the CLI tool, enhancing its capabilities.
api-gatewaynginxserverlessapisixreverse-proxy
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