Zihe Liu
Database Engineer
Hangzhou City, Zhejiang, China
Summary
🤩
Rockstar🎓
Top SchoolZihe Liu is a database engineer with 10 years of experience building high-performance data systems, currently focused on execution and optimizer engines at CelerData. He has a strong backend pedigree from contributions to the Linux Foundation StarRocks project, where he optimized query performance, serialization, and memory management for sub-second analytics. His background spans cloud messaging at Alibaba Cloud, video metadata systems at ByteDance, and frontend work with React/TypeScript, giving him a rare full-stack perspective on data-driven products. A Tongji University graduate with a master's in software engineering, he combines practical production tuning with compiler-style refactors (e.g., replacing binds with lambdas) to squeeze latency and resource improvements out of complex systems.
10 years of coding experience
1 year of employment as a software developer
Master's degree, Computer Software Engineering, Master's degree, Computer Software Engineering at Tongji University
Stackoverflow
169reputation
11kreached
2answers
13questions
Github Skills (19)
c-language10
databases10
query-optimization10
performance-optimization10
cprogramming-language10
relational-databases10
sql-database10
database10
memory-management9
hashtable9
atomic6
django-rest-framework6
glibc6
tcp6
docker6
Programming languages (7)
Github contributions (5)
StarRocks/starrocks
Sep 2021 - Jan 2023
The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance for multi-dimensional analytics, real-time analytics, and ad-hoc queries. A Linux Foundation project.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1844 reviews, 362 commits, 1014 PRs in 1 year 3 months
Contributions summary:Zihe's contributions primarily focused on optimizing the performance of the StarRocks database engine. Their work involved refactoring code, replacing bind with lambda expressions, and optimizing serialization processes. The user also implemented and optimized methods for both regular and key-range lookups, addressing memory management for related features. Furthermore, they made enhancements to query queue parameters.
multi-dimensionalcloudnativescenariosrealtime-databasereal-time
ZiheLiu/starrocks
Sep 2021 - Apr 2025
StarRocks is a next-gen sub-second MPP database for full analysis scenarios, including multi-dimensional analytics, real-time analytics and ad-hoc query.
Contributions:5256 pushes, 1468 branches in 3 years 6 months
multi-dimensionalscenariosreal-timesub-seconddatabase
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.