Full-stack & AI Agent Engineer · Da Nang, Vietnam

Van Nguyen

I build open-source tools that make AI-assisted software engineering reliable: workflow orchestration and governance for coding agents, portable agent skills, and AI-powered testing tools.

AI coding agents

Junto

Durable workflow orchestration for AI coding agents: plan, human approval, execute, review and verify, with verifiable evidence.

Claude Code pluginSiteCode

AIWS — AI Software Factory

Turns a requirement into tested code through gated phases: analysis, design and test spec, human approval, implementation with unit tests, review, PR.

WorkflowSiteCode

token-efficient-work

A skill and instruction hooks that stop coding agents from wasting tokens on redundant reads, re-checks and long output.

Agent skillSiteCode

AI for testing

Developer tools & apps

repokeeper

One CLI that keeps every repository on the same standard: Conventional Commits, git hooks, CI and release-please for 11 stacks, plus GitHub settings as code.

Markdown to PDF

CLI and Chrome extension for styled PDFs with Mermaid diagrams, LaTeX math, table of contents and themes.

npm · ChromenpmWeb Store

Region Snap

Select a region, keep interacting with the live page, and capture the exact moment as a local PNG.

Aegis Net

DNS privacy guard and ad blocker for Android and iOS: a Flutter UI over a Rust core with DNS-over-HTTPS.

Flutter · RustReleasesCode

Tech stack

Languages & frameworks: TypeScript · JavaScript · Python · Dart · React · Next.js · Node.js · NestJS · Flutter