Xuntao Cheng
Software Architect at DolphinDB
Hangzhou City, Zhejiang, China
Summary
🤩
Rockstar🎓
Top SchoolXuntao Cheng is a software architect and former DB kernel R&D leader with a decade of experience advancing high-performance cloud-native databases and real-time graph analytics. He has driven main-memory optimizations and data-layout designs at NebulaGraph to push real-time graph transactions, and earlier led research and engineering on PolarDB’s X-Engine and always-encrypted database features at Alibaba Cloud. Now at DolphinDB, he combines systems research (PhD, NTU) with hands-on kernel work, contributing bug fixes and core improvements to prominent open-source projects like Nebula. Known for squeezing latency out of in-memory systems and exploring ML-driven cache optimizations and novel hardware integrations, he blends academic rigor with pragmatic production impact. Based in Hangzhou, he pairs a strong publication record with practical engineering leadership across distributed storage, networking, and cloud orchestration.
10 years of coding experience
4 years of employment as a software developer
Bachelor of Engineering (BE) Computer Science, Bachelor of Engineering (BE) Computer Science at Northwestern Polytechnical UniversityDoctor of Philosophy (PhD) Computer Science, Doctor of Philosophy (PhD) Computer Science at Nanyang Technological University Singapore
Chinese, English
Github Skills (10)
graphdb10
databases10
debug10
c-language10
cpp10
cprogramming-language10
graph-database10
database10
testing9
distributed-systems9
Programming languages (5)
Github contributions (5)
vesoft-inc/nebula
Jul 2022 - Jan 2023
A distributed, fast open-source graph database featuring horizontal scalability and high availability
Role in this project:
Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:165 reviews, 33 commits, 94 PRs in 6 months
Contributions summary:Xuntao primarily contributed to bug fixes and improvements within the Nebula graph database. Their work included addressing issues related to data handling, such as handling nested JSON objects, converting character sequences to strings, and refining the processing of null values. The user demonstrated skills in modifying core components, including AttributeExpression, MatchValidator, and various optimization rules, and implementing and updating test cases.
nebulagraphnebula-graphnebulabig-datadistributed-systems
xtcyclist/nebula
Jul 2022 - Jun 2023
A distributed, fast open-source graph database featuring horizontal scalability and high availability
Contributions:314 pushes, 52 branches in 10 months
bigtableavailabilitydistributed-systemdistributed-databasedatabase
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.