Full-Stack Web & Security Engineer

Building Scalable, Secure & Modern Web Solutions.

I specialize in building high-performance web applications using Next.js 15, React 19, and TypeScript, combined with enterprise-grade web hardening to keep your digital platforms fast, resilient, and secure.

Next.js 15 & React 19TypeScript & TailwindWordPress & APIsSecureStack WAF
john-chanthy.dev
ONLINE
John Chanthy - Full-Stack Developer & Security Engineer
RoleFull-Stack Lead
Security FocusWAF & Hardening
Developer Overview

About My Work & Philosophy

I specialize in creating resilient, performant web applications using Next.js 15, React 19, TypeScript, and enterprise-grade server hardening. From custom frontend interfaces to Cloudflare WAF configurations, I ensure your digital presence is fast, reliable, and secure.

Read Full Profile
SPECIALIZED CYBERSECURITY SUITE

Enterprise Web & Infrastructure Hardening

Eliminate vulnerabilities, stop bot brute-force attacks, configure Next.js & Cloudflare WAF defenses, and deploy off-site encrypted cloud backups for mission-critical web applications.

Zero Server Lock-InCloudflare Enterprise WAFSecurity Header Auditing
Get In Touch

Have a Project or Security Inquiry?

Whether you need Next.js web development, WordPress hardening, or an emergency security cleanup, I am here to help you achieve your goals.