- Certified HL7 FHIR Implementer — building healthcare interoperability solutions
- Building robust products from idea to production with clean architecture
- Active open source contributor — PRs in Microsoft, Grafana, Astral (Ruff), Typst, Nushell, and more
- Security researcher on Huntr and HackerOne — finding vulnerabilities in AI/ML frameworks
- Based in Vietnam 🇻🇳 · Always shipping
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Open-source FHIR integration toolkit for healthcare interoperability. Built with .NET and HL7 FHIR R4.  
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MCP server manager for AI development workflows. Manages Model Context Protocol servers with ease.  
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Detects and blocks AI hallucinations in real-time. Multi-layer verification for LLM outputs.  
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Observability and debugging toolkit for AI agents. Trace, inspect, and optimize agent workflows. 
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Active contributor to major open source projects:
| Project | Stars | Contribution |
|---|---|---|
| microsoft/fhir-server |  |
CapabilityStatement FHIR conformance fix |
| microsoft/aspire |  |
Add Logger property to ExecuteCommandContext |
| astral-sh/ruff |  |
RUF010 unsafe fix when deleting comments |
| grafana/grafana |  |
Prometheus label refresh fix |
| typst/typst |  |
Counter documentation improvements |
| nushell/nushell |  |
HTTP x-nuon content-type handling |
| tauri-apps/tauri |  |
DMG detach customization via env vars |
| sindresorhus/eslint-plugin-unicorn |  |
Cached-length pattern in no-for-loop |
| validatorjs/validator.js |  |
Add fr-ML and fr-TG phone locales |
| stdlib-js/stdlib |  |
JavaScript lint error fixes |
Building meaningful software. Contributing to open source. Shipping every day.