Calvin Neo
Software Engineer at pingcap, previous tencent
{SH, SZ, NJ}, China, Singapore
Summary
🤩
RockstarCalvin Neo is a seasoned software engineer with 11 years of experience specializing in backend and distributed database systems, currently based between Shenzhen/Nanjing and Singapore. He is an active contributor to prominent open-source projects in the TiDB ecosystem—TiKV, TiFlash, and TiDB—where he improved observability, replication management, and core engine reliability for cloud-native, distributed SQL workloads. Known as a "Simple and Naive Coder," he combines pragmatic engineering with deep systems skills, shipping features like raftstore observers, OpenSSL integration, and TiFlash replica management. Calvin’s work emphasizes operational robustness and monitoring enhancements that make complex distributed behavior easier to manage in production.
11 years of coding experience
Stackoverflow
2,517reputation
119kreached
10answers
140questions
Github Skills (38)
ddl10
c-language10
key-value-store10
back-end-development10
tidb10
databases10
distributed-systems10
coproc10
go10
sql10
distributed-transactions10
ffi10
copr10
cop10
raft10
Programming languages (13)
Github contributions (5)
pingcap/tiflash
Aug 2021 - Jan 2023
The analytical engine for TiDB and TiDB Cloud. Try free: https://tidbcloud.com/free-trial
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1077 reviews, 106 commits, 336 PRs in 1 year 5 months
Contributions summary:Calvin contributed to the TiFlash analytical engine, focusing on improvements and fixes related to the core functionality. They implemented OpenSSL integration, supported CPU architecture detection on Linux, and integrated server information retrieval through FFI. The user also improved log performance and fixed various bugs, including a typo and issues related to region merging and flashback functionality.
analyticstidbbig-datadistributed-databasetikv
tikv/tikv
Jun 2022 - Oct 2022
Distributed transactional key-value database, originally created to complement TiDB
Role in this project:Back-end Developer
Back-end DeveloperContributions:108 reviews, 16 commits, 39 PRs in 4 months
Contributions summary:Calvin focused on extending the functionality of the TiKV database, a distributed key-value store, by implementing and refining observer components within the raftstore module. Their contributions involved adding new observers for various events like leadership changes, admin requests, and snapshot application. The user also worked on parameterizing debug services and extending observability through the introduction of new observer arguments. Their work enhanced the database's operational capabilities and monitoring capabilities.
tidbtikvdatabasekey-value-databaseconsensus
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.