Zuoyan Qin
Senior Software Engineer at Xiaomi Technology
Beijing, China
Summary
🤩
Rockstar🎓
Top SchoolZuoyan Qin is a senior software engineer in Beijing with 12 years of experience designing and leading distributed storage and RPC systems. He’s driven core contributions to high-profile open-source projects such as RocksDB, Apache Pegasus, and Baidu’s sofa-pbrpc, and currently leads development of a distributed key-value store at Xiaomi. His strengths lie in low-level performance optimization, lock-free memory handling, and robust RPC/replication engine design—skills honed across search-infrastructure roles at Baidu and Tencent. Zuoyan pairs hands-on C++ systems work with DevOps improvements (notably in TiUP), and has a track record of moving critical memory and I/O operations outside locks to boost throughput. Colleagues rely on him for pragmatic refactors that improve maintainability without sacrificing performance.
12 years of coding experience
4 years of employment as a software developer
Bachelor, Computer Sciences, Bachelor, Computer Sciences at Renmin University of China
Stackoverflow
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Github Skills (30)
debugging10
storage-engine10
c-language10
key-value-store10
protocol-buffers10
tidb10
command-line-interface10
databases10
distributed-systems10
rpc10
go10
performance-optimization10
command-line10
asio10
cprogramming-language10
Programming languages (7)
Github contributions (5)
microsoft/rDSN
Jun 2015 - Nov 2016
Robust Distributed System Nucleus (rDSN) is an open framework for quickly building and managing high performance and robust distributed systems.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:443 commits, 32 PRs, 69 comments in 1 year 5 months
Contributions summary:Zuoyan's commits primarily focused on implementing and refactoring back-end functionality within the Robust Distributed System Nucleus (rDSN) framework. They addressed issues with code quality, corrected spelling errors, and refactored key components of the system, such as the RPC engine. The contributions demonstrate a focus on improving the reliability and maintainability of the core replication and distributed systems components.
distributed-systems
baidu/sofa-pbrpc
May 2014 - Jan 2022
A light-weight RPC implement of google protobuf RPC framework.
Role in this project:Back-end Developer
Back-end DeveloperContributions:1 release, 136 commits, 54 PRs in 7 years 9 months
Contributions summary:Zuoyan primarily contributed to the core implementation of a light-weight RPC framework. Their commits focused on adding and modifying source files related to core functionalities like error handling, thread management, and stream processing. They also made updates to the build scripts and proto files, indicating a focus on the underlying infrastructure and message handling aspects of the RPC system. Further contributions included implementing features for multi-server connections and HTTP support.
protobufrpc
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