AI systems engineer & Database query-engine .
- I build database optimizers / query engines, AI systems.
- PMC member & Committer of Apache Arrow, Apache DataFusion, and Apache Doris.
- Previously at MegaETH, SelectDB, and ByteDance RDS; interned at Tencent, Microsoft, and Douyin.
- maka-agent: Maka — local-first AI desktop assistant.
- opencli: OpenCLI — AI-powered CLI for the web.
- crabclaw: Rust + OpenClaw experiments.