WebSecOps Engineer & Software Builder in Da Nang, Vietnam.
15+ years of experience across web development, website security and Linux infrastructure, including troubleshooting, integrations, maintenance and recovery for WordPress, Magento and custom applications. Founder of VMCSoft Digital and Lead Engineer at ViWeb Technology, its web services line.
Open to freelance, part-time and fractional engineering work. Scope, weekly hours and start date are agreed per engagement.
- ViWeb Technology: 3 web servers, including 2 supporting 10 websites for Vietnam Dragon Travel, covering maintenance, security and backups. Additional servers for Pacific Wise.
- iCreationsLab (part-time, July 2023 - October 2026): infrastructure architecture, security and complex troubleshooting across 20+ servers supporting an estimated 200+ websites, with day-to-day operations shared with the team. Through iCreationsLab, supported websites for organizations including Kuok Group, NHG Health and Singapore Heart Foundation.
These clients are anonymous and separate from the organizations named above.
- Server recovery: recovered a compromised server hosting 30+ client websites within an eight-hour recovery window, with no known data loss after reconciling newer updates.
- AI first-line support: designed, built and deployed a LiveChat integration, and operate its Cloudflare support runtime separately from the client's website hosting. Operator-reported estimates: approximately 1,000 conversations per month, with 30% resolved without human handoff.
- VMCSoft Digital tools: I develop and maintain selected products, including AeroDNS (open-source Android DNS changer, 5K+ downloads on Google Play as of October 2026), HeaderSec, ListIPs, Pingeko and DiagEZ.
- Context Docs (source): experimental Markdown convention and agent skill for keeping project knowledge across AI sessions.
- Website outage decisions: AI-assisted evaluation of next-step decisions in fictional incidents, with reproducible scoring. Not a production-safety certification.
- Replit Expert on Contra: platform-specific recognition. The Replit apps are self-initiated demos.