Guangdong Liu
Staff Software Engineer at Wisq
Houston, Texas, United States
Summary
🤩
Rockstar🎓
Top SchoolGuangdong Liu is a Staff Software Engineer in Houston with 7 years of experience building scalable backend systems and agentic AI platforms for HR. He has strong distributed-systems and data-engineering chops from roles at LinkedIn and PayPal, where he led zero-downtime migrations, low-latency analytics engines, and privacy-aware ETL pipelines. At Wisq he now architects no-code agent orchestration, persistent memory for agents, and domain-tuned LLMs to reduce hallucinations in enterprise workflows. An active open-source contributor and Apache committer, he has improved CI/CD, code quality, and backend features across notable projects like Apache SeaTunnel, Doris, and Paimon. His blend of production-grade infrastructure work and research-oriented training (MS/PhD-level computer science) enables him to translate complex ML and data problems into reliable, auditable systems.
7 years of coding experience
10 years of employment as a software developer
Doctor of Philosophy - PhD Computer Science, Doctor of Philosophy - PhD Computer Science at University of Nebraska-LincolnMaster of Engineering (MEng) Computer Science and Technology, Master of Engineering (MEng) Computer Science and Technology at Xi'an Jiaotong University
English, Chinese
Stackoverflow
1reputation
0reached
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Github Skills (26)
back-end-development10
sonarqube10
databases10
apache10
jdbc10
java10
cicd10
javas10
junit10
sql10
maven10
devops10
relational-databases10
data-integration10
sql-database10
Programming languages (11)
Github contributions (5)
apache/seatunnel
Aug 2022 - Jan 2023
SeaTunnel is a next-generation super high-performance, distributed, massive data integration tool.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 releases, 635 reviews, 54 commits in 4 months
Contributions summary:Guangdong's commits focused on improving the Apache SeaTunnel data integration tool, specifically addressing issues related to running end-to-end test cases under Windows, refactoring Junit testing, and adding JDBC driver management. They also enhanced the codebase by extracting unified methods, adding features like SQLServer connector, and fixing bugs in both the engine and connectors. Their contributions are centered around enhancing the software's functionality and stability, while also optimizing its performance.
servicenowseatunneldata-streametl-frameworkintegration-platform
apache/paimon
Feb 2023 - Jul 2023
Apache Paimon is a lake format that enables building a Realtime Lakehouse Architecture with Flink and Spark for both streaming and batch operations.
Role in this project:DevOps Engineer
DevOps EngineerContributions:8 reviews, 63 PRs, 63 comments in 5 months
Contributions summary:Guangdong primarily focused on improving the continuous integration and continuous delivery (CI/CD) process for the Apache Paimon project. Their contributions include adding and fixing Sonar check integrations to maintain code quality. They also worked on correcting the code coverage metrics and integrating the tool and related exclusions for a better result. Overall, the user demonstrated expertise in building and maintaining the infrastructure related to the project.
flinkdistributed-systemsubprojectapachebig-data
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