Senior WordPress & WooCommerce Performance Engineer | CMS Development Specialist
I help businesses fix slow, unstable, and underperforming WordPress & WooCommerce websites.
With 9+ years of professional experience, I specialize in:
- ⚡ Performance optimization (Core Web Vitals)
- 🧩 Custom WordPress plugin & CMS development
- 🛒 WooCommerce scalability & checkout optimization
- 🔒 Secure, clean, future-proof code
I don’t just “build websites” - I engineer fast, conversion-focused systems that improve SEO, UX, and revenue.
- LCP, CLS, INP, TBT optimization
- Core Web Vitals compliance (Google Search requirements)
- WooCommerce database & query optimization
- Cart & checkout speed optimization
- Script unloading & asset-level optimization
- Image & video lazy-loading
- Render-blocking resource elimination
- Caching & CDN setup (Cloudflare, LiteSpeed, WP Rocket)
- Server-level tuning (LiteSpeed, Nginx, MariaDB)
- Custom WordPress plugin development
- Plugin customization & feature extensions
- REST / JSON API integrations
- Custom Post Types (CPT), ACF, taxonomies
- Headless / API-driven WordPress setups
- Clean, scalable, maintainable architecture
- High-performance store setup & scaling
- Custom checkout & cart flows
- Payment gateway & shipping integrations
- Multi-vendor systems (Dokan, WCFM)
- Conversion-focused UX improvements
- Advanced WooCommerce performance tuning
- Large-scale WordPress optimization strategies
- Server-side optimization for high-traffic sites
- Improving Lighthouse scores for real-world users (not just lab data)
I’m open to working with:
- Businesses struggling with slow WordPress sites
- Agencies needing a performance-focused WordPress expert
- Founders who want clean custom plugins instead of bloated tools
- Long-term maintenance & optimization partnerships
Languages & Core
PHP 8+, JavaScript (ES6+), HTML5, CSS3
MySQL / MariaDB (query & index optimization)
WordPress Ecosystem
WordPress, WooCommerce
Custom Themes & Plugins
ACF, CPT, Gutenberg
Elementor, Divi, WPBakery
Performance & Infrastructure
Cloudflare, LiteSpeed, WP Rocket, Redis
Nginx, Apache
cPanel, Cloudways, SiteGround, Hostinger
Dev & Workflow
Git, GitHub, CLI, SSH
REST APIs & third-party integrations
- 🔹 Advanced WordPress Theme Development
- 🔹 Custom React & Redux Projects
- 🔹 CMS & Plugin Architecture Experiments
Most client work is private - this GitHub showcases architecture, coding standards, and performance mindset.
- 🌐 Website: saddamhossen.dev
- 💼 LinkedIn: Saddam Hossen
- 💻 Upwork: Top-rated WordPress Performance Expert
- 🐦 X (Twitter): @SaddamCse007
- 📧 Email: [email protected]
If your WordPress site is:
- Slow
- Unstable
- Failing Core Web Vitals
- Hurting conversions
You are looking at the right engineer.