commerce.app
$49
$89
$129
01Northwind Commerce
Headless Woo Storefront
Northwind Commerce
WooCommerceNext.jsGraphQLPerformance
$ open_for_projects --q3
Engineered WordPress
Systems Built for Performance & Scale
I architect custom WordPress platforms — fast plugins, headless builds, and enterprise WooCommerce systems. Clean code, measurable speed, zero compromises.
ACF ProREST APICustom PluginsWooCommerceHeadless WPPHP 8.3
TTFB
130ms
Uptime
99.97%
Req/s
1240
120+
Projects shipped
8 yrs
WordPress engineering
97/100
Avg. Lighthouse
32
Custom plugins
NorthwindApexLumenForgeNimbusHalcyonVertexNorthwindApexLumenForgeNimbusHalcyonVertex
00About
I build WordPress systems
that scale, perform, and last.
I’m Muhammad Hamza Mouzam, a Senior WordPress Developer focused on building high-performance digital systems that combine engineering precision with modern user experience. Over the years, I’ve developed custom WordPress architectures, WooCommerce platforms, payment gateway solutions, API integrations, and scalable business websites for clients across multiple industries.
My expertise goes beyond page builders and templates. I specialize in custom development, performance optimization, security hardening, Core Web Vitals, and advanced frontend experiences that make websites feel fast, immersive, and professionally engineered. Every project is built with long-term scalability, clean architecture, and attention to detail at its core.
Specialization
WooCommerce at scaleHeadless WordPressPlugin engineeringPerformance & Core Web Vitals
Senior Engineer
Hamza Mouzam
01What I build
Services engineered around your product, not a template.
Custom WordPress Development
Bespoke themes & systems engineered from the ground up.
- ▸ACF Pro architecture
- ▸Block editor + FSE
- ▸Headless / REST + GraphQL
Plugin Engineering
Production plugins built for scale, security and longevity.
- ▸OOP & PSR-12
- ▸Unit tested (PHPUnit)
- ▸WP.org release ready
Performance & Core Web Vitals
Audits & rewrites that move sites into the top 1% of speed.
- ▸TTFB < 200ms
- ▸Edge caching strategy
- ▸Asset & DB optimization
WooCommerce at Scale
High-traffic stores with custom checkout & ERP integrations.
- ▸Subscriptions & Memberships
- ▸Custom payment gateways
- ▸B2B & multi-currency
02Expertise
A focused toolkit, deeply mastered.
Core Stack
WordPress / PHP 80%
JavaScript / TypeScript0%
MySQL / Redis0%
REST + GraphQL0%
Ecosystem
WooCommerce0%
ACF Pro / Meta Box0%
Headless (Next.js)0%
Gutenberg / FSE0%
03How I work
A predictable process. Engineered outcomes.
Discovery
Audit, goals, constraints. We define what 'done' looks like.
Architecture
Schema, integrations, performance budget. Engineering on paper.
Build
Iterative delivery. Reviews every Friday. Clean, tested code.
Launch & Optimize
Migration, monitoring, and a 30-day performance pass.
editorial.app
02Apex Publishing
Editorial Block CMS
Apex Publishing
WordPressACF ProGutenbergTypeScript
portal.app
● online47 sites
03Lumen Health
Patient Portal Plugin
Lumen Health
PHP 8.2REST APIOAuth 2HIPAA
multisite.app
● online47 sites
04Forge Studios
Multisite Network
Forge Studios
WP MultisiteComposerGitHub Actions
marketing.app
stat
98
stat
1.2s
stat
+42%
05Halcyon SaaS
Marketing Site Engine
Halcyon SaaS
WordPressACFTailwindSEO
api.app
POST /api/v1/bookings
{
"id": "bk_2k4z",
"status": "confirmed"
}
→ 201 · 84ms
06Atlas Travel
Booking & Calendar API
Atlas Travel
REST APICronStripeWebhooks
analytics.app
stat
98
stat
1.2s
stat
+42%
07Vega Metrics
Analytics Dashboard
Vega Metrics
WP RESTReactRechartsRealtime
dashboard.app
stat
98
stat
1.2s
stat
+42%
08Quill Academy
Member Hub & Gating
Quill Academy
MemberPressACFStripeEmail
05Case studies
The story behind each build.
Brief, constraints, architecture and shipped outcome — written like an engineering log.
CS-01Northwind Commerce
Replatforming a 12M-product Woo storefront
WooCommerceHeadlessPerformance
Migrated a legacy storefront to a headless Next.js + WooGraphQL stack with edge caching. Built a typed product schema and a Redis-backed cart layer.
- −71% Time to First Byte
- +18% conversion in Q1
- Lighthouse 98 across catalog
⚡ +71% performance increase
northwind-commerce
−71% Time to First Byte
+18% conversion in Q1
Lighthouse 98 across catalog
01
CS-02Apex Publishing
A Gutenberg-native editorial CMS
WordPressACF ProBlock API
Designed a custom block library with realtime previews and scheduled rollouts. Editors compose long-form pieces 3.2× faster than the previous flow.
- 3.2× faster editor throughput
- +42% pageviews on launch
- INP held under 100ms
⚡ 3.2× faster editing
apex-publishing
3.2× faster editor throughput
+42% pageviews on launch
INP held under 100ms
02
CS-03Lumen Health
HIPAA-aware patient portal & EHR sync
PHP 8.2OAuth 2REST API
Engineered a secure patient portal plugin with OAuth 2 to a third-party EHR. Wrote a typed REST layer and a full PHPUnit + Cypress test pipeline.
- Audit passed on first review
- 92% automated test coverage
- Zero PHI leak incidents
🛡 92% test coverage
lumen-health
Audit passed on first review
92% automated test coverage
Zero PHI leak incidents
03
CS-04Forge Studios
47-site multisite on a single composer platform
MultisiteComposerCI/CD
Stood up a unified multisite network with shared design tokens, GitHub Actions deploys, and Cloudflare-cached origins for every brand.
- Deploys reduced to 2 minutes
- 47 brands on one platform
- −96% production errors
⚡ −96% production errors
forge-studios
Deploys reduced to 2 minutes
47 brands on one platform
−96% production errors
04
06What clients say
Trusted by teams that ship.
"Hamza rewrote our checkout from scratch in 6 weeks. Conversion jumped 18% and our infra bill dropped. He thinks like a CTO, ships like a senior engineer."
SM
Sara Mendel
VP Engineering · Northwind
"We've worked with a lot of WordPress 'experts'. Hamza is in a different category. The plugin he built for us is still flawless three years later."
DO
David Okafor
Founder · Apex Publishing
"Performance audit, refactor, and launch in under a month. Lighthouse went from 41 to 96. The communication was as good as the code."
HR
Helena Rivas
Head of Product · Lumen
"Hamza migrated our multisite network without a single second of downtime. Editors didn't even notice — they just said the admin felt faster."
ML
Marcus Lin
CTO · Civic Media
"He treats performance like a product feature. Core Web Vitals went green across 40+ templates and stayed there. Rare combination of taste and rigor."
PS
Priya Shah
Director of Engineering · Outline
Booking Q3 — 2 slots remaining
Let's engineer something that scales.
Tell me about your product, your traffic, and the wall you've hit. I reply within 24 hours.
Or book a call instantly if you prefer.
Prefer email? m.hamza.mouzam@gmail.com