LKH • PORTFOLIO
2026 PORTFOLIO
FRONTEND, FULLSTACK & DEVOPS ENGINEER ✦

PORTFOLIO

ENGINEERING EXCELLENCE

LUU KHANG HUY

FRONTEND ARCHITECT · FULLSTACK DEV · DEVOPS

Engineering software with relentless discipline, end-to-end ownership, and a first-principles problem-solving mindset. Transforming complex business friction into high-speed Jamstack systems, intuitive spatial interfaces, and rock-solid cloud infrastructure.

Next.js 15 & React
3D Spline & WebGL
Docker & Linux VPS
Cloudflare Zero Trust
SYS.LKH // APEX 10.77°N 106.70°E ONLINE SYS.READY // FOR HIRE
ENGINEERING PHILOSOPHY ✦
3D Quantum Silicon Processor Core Matrix Animated Loop

"Solve root causes, not symptoms. High ownership from the first commit to 24/7 production uptime — because true engineering integrity is proven in edge cases, resilience, and delivered business value."

HOW I WORK: ATTITUDE, DISCIPLINE & PROBLEM SOLVING ✦

ENGINEERING INTEGRITY THROUGH OWNERSHIP & ROOT-CAUSE RESOLUTION

Technology is merely a lever — what defines an engineer is uncompromising work ethic, honest communication, and the discipline to dissect complex business bottlenecks down to first principles.

// 01_WORK_METHODOLOGY

End-to-End Ownership & Clean Architecture

I never "throw code over the wall". Every project is owned from first-principles business discovery to automated CI/CD and production monitoring. I maintain single sources of truth, clean modular architecture, and zero tolerated technical debt.

End-to-End Product Ownership
Single Source of Truth & In-Place Refactoring
Rigorous Cross-Device Verification Before Handover
First-Principles · Modular · Zero Cutting Corners
// 02_PROBLEM_SOLVING

Root-Cause Resolution Over Quick Hacks

When facing performance regressions, race conditions, or architecture hurdles, I reject band-aid fixes and superficial overrides. I inspect raw traces, profile memory and network bottlenecks, and resolve issues cleanly at their source.

Root Cause Analysis (Zero superficial overrides)
Performance Profiling (<0.9s FCP · >95 PageSpeed)
Pragmatic Stack (Selecting tools by business ROI)
Root Cause · Profiling · Pragmatic Engineering
// 03_ATTITUDE_INTEGRITY

Humility, Direct Candor & Delivery SLA

I communicate directly and transparently without excuses or technical jargon. When errors arise, I take full accountability, explain the root cause, and fix them immediately. Committed to 100% on-time milestone delivery across global partners.

Direct, Honest Communication

Transparent updates · Zero technical obfuscation

TRANSPARENT

100% On-Time Delivery SLA

France · USA · Japan · Vietnam (19 Builds)

HONORED
SOFTWARE & DEVOPS STACK ✦

DEVELOPMENT & INFRASTRUCTURE

From Next.js/React frontend and custom OOP PHP backend, to CI/CD pipelines, Docker & Cloudflare Zero Trust.

Next.js 15 SSR/App
React 19 Spatial
WordPress Custom
Elementor Design
PHP OOP Plugins
Three.js WebGL 3D
Tailwind Tokens
Docker Compose
Zero Trust Tunnel
FastAPI AI Agents
HOW I WORK & SOLVE PROBLEMS ✦

PROBLEM-SOLVING LIFECYCLE

Predictable engineering: from business empathy and root-cause analysis to cross-device verification and resilient cloud operations.

01 Root Discovery - 3D Crystal Hypercube
01

ROOT DISCOVERY

Deep business empathy: listen to real user friction without jargon or assumptions.

02 First-Principles Architect - 3D Optical Prism Blueprint
02

FIRST-PRINCIPLES

Deconstruct bottlenecks to fundamental truths before selecting tech stacks.

03 Disciplined Build & Test - 3D Kinetic Gyroscope
03

DISCIPLINED BUILD

Clean code, single source of truth, and zero-compromise cross-device testing.

04 Ship & 24/7 Ownership - 3D Crystal Propulsion Capsule
04

SHIP & OWN

Automated CI/CD deployment with complete post-launch operational accountability.

DETAILED EXPERTISE FROM CV ✦

6 COMPREHENSIVE TECHNICAL PILLARS

Standardized Production & Enterprise Solutions
Frontend & 3D Spatial

Next.js (App Router), React, TypeScript, JavaScript (ES6+), Spline 3D (@splinetool/react-spline), Framer Motion, Apollo Client GraphQL, Headless CMS, Tailwind CSS, CSS Modules, HTML5/CSS3.

Fullstack & Backend

Node.js (Express), Python (Flask), PHP OOP, REST API, GraphQL, SQL Databases (MySQL), NoSQL (MongoDB), Redis Cache, DBeaver, Webhook Handlers.

WordPress & Custom Plugins

Author of 3 Custom Plugins (huy-product-wizard, vietqr-dynamic, user-address-book), Flatsome UX Builder, Elementor Pro, WooCommerce, ACF Pro, SCF, WPML, Polylang, Wordfence.

DevOps & Cloud Infra

Multi-Environment (Production & Test Server), Linux VPS (aaPanel), GitLab CI/CD, self-hosted GitLab Runner, GitHub Actions (SSH & Secrets), Cloudflare Zero Trust (Zero Open Ports), AWS S3 CDN Offload, Docker Compose, Android App Bundle (.aab via EAS CLI).

Web Performance & Vitals

Google PageSpeed Insights (Desktop > 90, Mobile > 75), Core Web Vitals (LCP, FID, CLS), LiteSpeed Cache, WP Rocket, Redis Object Cache, next-gen image compression (WebP/AVIF), On-page SEO.

Developer Tools & Systems

Git, Docker, Postman, VS Code, Figma, DBeaver, Nginx Reverse Proxy, Antigravity CLI/IDE, EAS CLI & Keystore Signing, Professional English Communication (Aptis ESOL B2).

EXPERIENCE & EDUCATION ✦

PROFESSIONAL JOURNEY & TECHNICAL FOUNDATION

Corporate Frontend & DevOps engineering experience paired with formal academic CS credentials.

// ENTERPRISE • FULL-TIME

QUESTX CO., LTD.

Frontend & DevOps Engineer · Ho Chi Minh City

04/2025 — PRESENT

Taking full engineering ownership of production deliverables: untangling legacy monolithic bottlenecks into high-performance headless Next.js architectures, engineering custom business plugins from scratch, and enforcing strict zero-trust infrastructure with zero open management ports.

Headless Architecture & Vitals

Deconstructed legacy monolithic systems into decoupled Next.js 15 App Router & GraphQL, resolving render bottlenecks to achieve Core Web Vitals SLA (Desktop >90, Mobile >75).

Custom Plugin Problem-Solving

Authored 3 production plugins from first principles: dynamic canvas preview (huy-product-wizard), automated IPN webhooks (vietqr-dynamic), and EU VAT compliance.

Infrastructure Discipline & CI/CD

Eliminated deployment errors by architecting isolated Staging and Production topologies (aaPanel Linux VPS); automated 100% of workflows via GitLab Runners & GitHub Actions.

Zero Trust & Mobile Delivery

Hardened perimeter defenses via Cloudflare Zero Trust Tunnels (Zero Open Ports); managed secure Keystores and automated React Native to .aab packaging via EAS CLI.

TECH ARTIFACTS: Next.js App Router PHP OOP Plugins GitLab Runner CI/CD Cloudflare Zero Trust AWS S3
FORMAL ACADEMIA • 2021 — 2025 GRADUATED

TON DUC THANG UNIVERSITY (TDTU)

Bachelor of Information Technology

Honors Capstone Project: Engineered HH_Movie, an adaptive video streaming platform with bandwidth-aware HLS FFmpeg transcoding, VNPAY HMAC-SHA512 webhook integration, CRM revenue analytics, and Docker Compose behind Nginx.

CREDENTIALS & GLOBAL DELIVERY GLOBAL READY
B2
English Proficiency: Aptis ESOL B2
British Council

Professional Working Proficiency — Fluent technical communication and direct collaboration with international clients.

19
Global Partner Delivery Experience
France · USA · Japan

Directly engineered and shipped production systems for partners in France (Green Bridge, Nuage Sauvage), the United States (CMD Supply), and Japan (Haijima Studio).

ACHIEVEMENTS & IMPACT ✦

MEASURABLE PRODUCTION IMPACT

Empirical metrics proving that engineering discipline, root-cause resolution, and 100% ownership deliver consistent business reliability.

19+ PRODUCTION BUILDS France, USA, Japan, VN
>95 PAGESPEED SCORE Core Web Vitals SLA
<1.2s FIRST CONTENTFUL PAINT Ultra-Fast Asset Delivery
100% ON-TIME DELIVERY Agile Milestones & SLA

19 PRODUCTION BUILDS SHOWROOM

19 BUILDS

Business Challenge ➔ Technical Solution ➔ Technology Stack

TECHNOLOGY STACK