Junqing Wang
Software Engineer at Bytedance
Hangzhou City, Zhejiang, China
Summary
🤩
Rockstar🎓
Top SchoolJunqing Wang is a software engineer with six years of experience building backend systems for major Chinese tech companies, currently at ByteDance after roles at Alibaba Cloud and several startups. A Peking University-trained software engineer, he focuses on stability and scalability in distributed systems and databases, evidenced by his committer work on the well-known Apache IoTDB project. His contributions to IoTDB include SQL handling fixes, cluster-mode improvements, integration test refactors, and JDBC timezone handling—showing attention to both correctness and developer ergonomics. Comfortable in high-throughput production environments, he brings practical expertise in debugging complex cluster behaviors and improving core database functionality.
6 years of coding experience
9 years of employment as a software developer
Master's Degree, Software Engineering, Master's Degree, Software Engineering at Peking UniversityBachelor's Degree, Software Engineering, Bachelor's Degree, Software Engineering at Shanghai Polytechnic University
Github Skills (12)
javas10
iot10
big-data10
time-series10
databases10
sql10
java10
database10
test-automation9
nosql9
junit8
clustering8
Programming languages (2)
Github contributions (5)
apache/iotdb
Jan 2021 - Oct 2022
Apache IoTDB
Role in this project:
Back-end Developer
Back-end DeveloperContributions:45 reviews, 14 commits, 18 PRs in 1 year 9 months
Contributions summary:Junqing contributed to bug fixes and feature enhancements within the Apache IoTDB project. Their work included resolving issues related to SQL statement handling, cluster mode functionality, and the start-cli script. The user also refactored integration test frameworks and improved time zone handling using JDBC's `setClientInfo` method. These changes indicate a focus on improving the stability and functionality of the core database system.
apache-iotdbtimeseriesiotbig-datajava
irvine0109/iotdb
Aug 2021 - Feb 2026
Apache IoTDB
Contributions:7 reviews, 19 PRs, 132 pushes in 4 years 6 months
apachebig-datadatabaseiotdbjava
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