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Open to full-time remote & freelance
I build WordPress
that actually performs.
Senior WordPress developer specialising in custom plugins, WooCommerce extensions, and Gutenberg blocks. Clean PHP, Git workflow, 90+ PageSpeed — delivered on time.
7+
Years in WP
100%
Upwork Success
90+
PageSpeed
5★
Every Review
Services
What I build for you
Real PHP — not drag and drop. Clean code, Git workflow, docs, and a QA pass before every handover.
Plugin Development
OOP PHP plugins that automate workflows, import data, and solve real business problems. WordPress coding standards, hooks-first.
WooCommerce
Custom checkout, payment gateways (Stripe, bKash), HPOS order management, custom product types. Upgrade-safe hooks.
Gutenberg / FSE Blocks
Custom blocks with block.json + React. Full Site Editing templates. Reusable component systems for multi-site deployment.
Core Web Vitals
From PageSpeed 42 → 91. Caching, Cloudflare CDN, WebP, critical CSS, script defer. Real audits, real fixes.
API & Automation
REST API endpoints, CRM integrations, webhook handlers. Zapier/Make automation. If it has an API, I can connect it.
Shopify
Custom Liquid themes, sections, metafield architecture. Performance-first builds for UAE, UK, and North American markets.
Work
Projects with measurable results
Every project below started with a real problem and ended with a number that proves it was solved.
100hrs → 2hrs
Plugin Development
EventPrime Plugin Customization & Bulk Import
Built a custom CSV/Excel import plugin that reduced data entry from 100+ hours to under 2 hours for 5,000+ event records. Client called it "transformative".
50+ pages
Migration
Multilingual Website Migration (Divi → Elementor)
Migrated 50+ page multilingual site across 4 languages with zero downtime. Pixel-perfect design replication, WPML-compatible, all SEO retained.
60–80% smaller
Production
WooCommerce
Custom bKash WooCommerce Payment Gateway
Production-ready WooCommerce payment gateway for bKash — Bangladesh's largest mobile payment. Handles IPN, payment verification, and order status.
42 → 91 score
Performance
WooCommerce Core Web Vitals Optimization
Optimized a high-traffic WooCommerce store from PageSpeed 42 to 91. Cloudflare CDN, LiteSpeed cache, WebP conversion, critical CSS, and script control.
UAE Market
Shopify
Shopify Home Decor Store — UAE Market
Performance-first Shopify store for UAE-based home decor brand. Custom sections, metafield architecture, Core Web Vitals targets for UAE and North American markets.
About
7+ years building WordPress
at the code level.
I'm Saddam Hossen — WordPress plugin developer from Jamalpur, Bangladesh. I've been building at the code level since 2017. Not page builders. Not visual composers. PHP, hooks, $wpdb, REST API.
My best-known build cut a client's 5,000-event data entry from 100+ hours down to 2 hours per year. That's the kind of work I'm here for — eliminating manual processes through clean, maintainable code.
Top Rated on Upwork · 100% job success · every review is 5 stars. Available for full-time remote and freelance.
Technical Stack
PHP 8 / OOP
WordPress Core
WooCommerce
Gutenberg / FSE
MySQL / $wpdb
WP REST API
JavaScript ES6+
React
Core Web Vitals
Git / GitHub
Shopify Liquid
OpenAI / Claude API
Reviews
What clients say
Five stars. Every project. Every client. Not luck — process.
★★★★★
Star ratings are not enough to describe the work Saddam did for us. He customized an extremely complicated WordPress plugin by creating his own data import system. We went from 100+ hours of manual work to just 2 hours. Exceptional work, exceptional developer.
EC
EventPrime Client
Nonprofit Organization · Upwork
★★★★★
Saddam did an outstanding job transforming our website from Divi to Elementor, replicating the content and design with exact precision across multiple languages. He managed the migration flawlessly. Zero downtime, pixel perfect.
MC
Migration Client
E-commerce Business · Upwork
★★★★★
Great experience working with Saddam! Professional, responsive, and delivered high-quality work on time. Highly recommended for WordPress development, performance optimization, and API integrations.
WD
Website Development Client
Tech Startup · Upwork
Open Source
Published on WordPress.org
Real plugins, real installs. Not portfolio pieces — production code you can download today.
WebP Optimizer
Converts images to WebP locally — no external API, no fees. 60–80% image size reduction, direct LCP improvement. Published on WordPress.org.
bKash WooCommerce Gateway
Production-ready payment gateway for bKash — Bangladesh's largest mobile payment. IPN verification, order status transitions, upgrade-safe hooks.
Blog
WordPress development insights
Deep-dives into plugin architecture, WooCommerce internals, and performance engineering.
Let's Build
Ready to start a project?
Full-time remote roles and freelance projects welcome. Tell me what you need — I reply within 24 hours with real questions, not a template.
Or email directly: saddam.wp007@gmail.com