Cong Ding
Software Engineer at Databricks
Mountain View, California, United States
Summary
🤩
Rockstar🎓
Top SchoolCong Ding is a software engineer with 13 years of experience building reliable back-end systems, currently at Databricks in Mountain View. He brings a strong foundations in distributed systems and data durability, evidenced by crash-safety and atomic rename fixes contributed to the widely used Apache Kafka codebase. His open-source work spans critical infrastructure projects like etcd—where he improved code quality and testability—and a polished Go STUN client, showing attention to maintainability and API ergonomics. Trained across mechanical engineering, operations research, and statistics (UNSW, USC, SJTU), he combines rigorous analytical thinking with practical engineering. Colleagues would note his knack for subtle, safety-focused fixes that prevent rare but severe production failures.
13 years of coding experience
2 years of employment as a software developer
Bachelor of Engineering (B.E.), Industrial Engineering, Bachelor of Engineering (B.E.), Industrial Engineering at Shanghai Jiao Tong UniversityMaster of Science (M.S.), Operations Research Engineering, Master of Science (M.S.), Operations Research Engineering at University of Southern CaliforniaUNSW Sydney
Chinese, English
Github Skills (20)
filesystem10
stun10
key-value10
kafka10
etcd10
file-operations10
java10
scala10
javas10
go10
fileio10
golang10
refactor9
system-design9
distributed-systems9
Programming languages (14)
Github contributions (5)
ccding/go-stun
Aug 2013 - Apr 2022
A go implementation of the STUN client (RFC 3489 and RFC 5389)
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 releases, 10 reviews, 119 commits in 8 years 9 months
Contributions summary:Cong primarily focused on refactoring and cleaning the go-stun library, specifically addressing code style issues and comments for enhanced readability. They streamlined the discovery process, improved the client API, and resolved bugs related to the discovery and behavior testing. The user made adjustments to the codebase, including the use of camel case and consistent commenting standards, contributing to overall code maintainability.
golangwebrtcstun-clientrfcrfc-5389
etcd-io/etcd
Jul 2013 - Oct 2015
Distributed reliable key-value store for the most critical data of a distributed system
Role in this project:Back-end Developer
Back-end DeveloperContributions:14 commits, 4 PRs, 4 comments in 2 years 3 months
Contributions summary:Cong primarily contributed to the codebase by fixing typos and cleaning up code formatting. They addressed issues in multiple files, including `client_handlers.go`, `etcd.go`, `transporter.go`, and `util.go`. Additionally, the user refactored code to use the `fatal(...)` function and made store tests work. Their work demonstrates a focus on code quality and maintainability within the etcd project.
etcdcriticalconsensusdistributed-systemreliable
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