Educational channel
Bé Vui Học — Learning Through Stories
A family learning project combining Vietnamese and English lessons, gentle stories and practical activities for children.
Read morePRODUCT LEAD / AGENTIC AI / TECHNICAL LEAD
Build useful products. Make complexity work.
Product Lead in Agentic AI and Technical Lead based in Ho Chi Minh City. I connect product direction with architecture and hands-on engineering to turn ideas into useful products.
Based in Ho Chi Minh City · Building for real life
Ideas into products.Agents into workflows.Architecture into impact.
BUILT IN PRACTICE
Products & systems
Private studio · Sign-in required
Bé Vui Học Studio — An AI Video Workshop
A private, self-hosted workshop for bilingual educational videos: editable AI scripts, scene previews and parent-controlled production and publication.
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reference
Enterprise CMS Platform
Multi-market content management system supporting 12 languages and 30+ regional sites for a Fortune 500 client. Built on Umbraco and .NET with Azure infrastructure.
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live
LingoLive AI
A real-time English conversation tutor with gentle feedback, session reports and progress tracking.
Read moreNOTES FROM THE WORK
The journal
08 Oct 2026 · 4 min read
devops
Kubernetes Just Flipped a Default That Will Refuse to Boot Your Old Nodes
Kubelet's failCgroupV1 field defaulted to true in 1.35. A cgroup v1-only node won't start anymore unless you explicitly override it. Here's how to check today.
Read more08 Oct 2026 · 4 min read
ai-agents
Cloudflare Built a Security Agent That Checks Its Own Citations Before an Analyst Sees Them
Cloudflare's new Managed Defense harness admits its first prototype hallucinated, then redesigned around code-verified citations instead of trusting one big agent.
Read more08 Oct 2026 · 4 min read
ai-agents
Claude Haiku 5.5 and the Real Math Behind Cheap Model Routing
Haiku 5.5 is 75% cheaper and far sharper at agent tasks, but a token-efficiency tax means the real savings aren't the headline number.
Read morePRODUCT LEADERSHIP & TECHNICAL DELIVERY
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