Data engineer & .NET developer · Hangzhou, China · alitrack.com
I build data infrastructure where SQL meets real-world data, and I make it work on Windows.
Focus areas
- DuckDB ecosystem — extensions (Python UDFs, LuaJIT, ORC, TurboVec), Postgres integration, data-quality tooling
- Data pipelines & visualization — ETL, graph analytics, offline SQL dashboards
- Recovery & repair — SQLite undark, PDF password recovery
- AI agents — .NET multi-agent frameworks, LLM integration
- Windows-first tooling — portable builds, native ports of Unix-only stacks
Selected projects
| duckdb_fdw ⭐ 411 | DuckDB as a PostgreSQL foreign data wrapper |
| duckforge | DuckDB-native ETL → query → visualize, zero format conversion |
| duckdb-python | SQL-native Python UDFs inside DuckDB (PyO3) |
| duckdb_orc | Pure-Rust ORC reader for DuckDB |
| undark ⭐ 80 | SQLite deleted-data & corruption recovery |
| BotSharp | AI multi-agent framework in .NET |
262 repositories · 964 stars received — see the card above, auto-generated from live GitHub API data (regenerate).