WordPress Plugin Developer | WooCommerce Extensions & Performance Solutions

I build custom WordPress plugins that solve real business problems - from WooCommerce extensions
to complex integrations and performance optimization tools.

With 7+ years of development experience, I focus on clean, scalable code that businesses can
rely on for the long term.

I develop plugins from scratch for unique business requirements:

• WooCommerce extensions (checkout customization, payment gateways, inventory systems)
• Data import/export tools (bulk operations, CSV/Excel processing)
• API integrations (CRM, marketing automation, payment processors)
• Performance optimization plugins (caching, image optimization, database tuning)
• Custom admin tools (dashboards, reporting, automation)

🔧 Saddam Hossen WebP Optimizer
High-performance image optimization plugin (https://wordpress.org/plugins/saddam-hossen-webp-optimizer/)

• Converts images to WebP format locally without external APIs
• Reduces image sizes by 60–80%
• Improves Core Web Vitals scores
• Zero ongoing costs, 100% privacy-focused

📊 EventPrime Bulk Import System (Private client work)

• Custom plugin for importing 1,000+ events via CSV/Excel
• Built data validation, error handling, and progress tracking
• Reduced client workload from 100+ hours to 2 hours
• Result: 5-star review, repeat business

🔄 Divi to Elementor Migration (Private client work)

• Migrated full website with 50+ pages across 4 languages
• Preserved all content, styling, and functionality
• Zero downtime migration
• Saved client 80+ hours of manual work

🏢 WordPress Developer | 99BinaryLab | Aug 2024 – Present

• Build custom WordPress plugins and WooCommerce extensions
• Implement API integrations and automation workflows
• Optimize high-traffic sites for Core Web Vitals
• Provide technical consulting on WordPress architecture

🛠️ WordPress Technical Support Engineer | Arraytics | Dec 2023 – Dec 2024

• Diagnosed complex WordPress performance issues (50K+ daily visitors)
• Reduced page load times from 8s to 1.2s
• Resolved plugin conflicts and database bottlenecks
• Maintained 95%+ customer satisfaction rating

💻 WordPress Web Developer | NetGeeks | Dec 2021 – Jul 2024

• Developed custom WordPress websites and WooCommerce stores
• Built custom booking system plugin (saved client $2,000+ in SaaS costs)
• Optimized sites achieving 90+ PageSpeed scores

• ✅ 100% Job Success Score on Upwork (Top Rated, all 5-star reviews)
• ✅ WordPress.org Contributor (plugin under review)
• ✅ PMP – Project Management Professional

• PHP 8+ (OOP, PSR standards)
• JavaScript (ES6+, React)
• MySQL / MariaDB
• WordPress REST API

• Custom Plugin Development
• WooCommerce Extensions
• Gutenberg Block Development
• Custom Post Types & ACF
• Theme Customization (FSE)

• Core Web Vitals Optimization
• Redis, LiteSpeed Cache, WP Rocket
• Cloudflare CDN
• Database Query Optimization
• Server Configuration (NGINX, LiteSpeed)

• Git, GitHub
• WP-CLI, Composer
• Docker, LocalWP
• Postman (API testing)
• Query Monitor, New Relic

Most of my client work is private, but I actively build open-source plugins and contribute
to the WordPress community. Check pinned repositories for real-world code examples.

Certifications

• WordPress VIP Development – rtCamp
• Advanced WordPress Theme Development – Codeytek Academy
• Project Management Professional (PMP) – TÜV SÜD

Education

• B.Sc. in Computer Science & Engineering
  National University, Bangladesh (2009–2013)

• AI-powered WordPress plugins (OpenAI / Claude API)
• WooCommerce performance optimization tools
• WordPress open-source contributions
• Writing technical tutorials

I'm interested in:

• Custom WordPress plugin projects
• WooCommerce extension development
• Complex API integrations
• Performance optimization consulting
• Long-term maintenance partnerships

• 🌐 Portfolio: https://saddamhossen.dev
• 💼 LinkedIn: https://linkedin.com/in/saddam-hossen-a8562b131
• 💻 Upwork: https://www.upwork.com/freelancers/~016d4dac9eb588f3e7
• 📧 Email: saddam.wp007@gmail.com
• 🐦 Twitter/X: https://twitter.com/SaddamCse007

Best suited for projects that need:

• Custom plugin development from scratch
• WooCommerce custom functionality
• Complex third-party integrations
• Performance optimization at scale
• Clean, maintainable, well-documented code

Project size: $300 – $2,000+
Availability: 30+ hrs/week
Response time: 1–2 hours (GMT+6)

⭐ If you find my work helpful, consider starring my repositories.