Kostiantyn I.

WordPress & WooCommerce Developer | Complex Fixes, Speed, PHP

⚡ WordPress site slow, checkout breaking, plugins conflicting, or custom PHP becoming risky to touch? I fix complex WordPress and WooCommerce problems without breaking the rest of the site. $600K+ earned on Upwork, 400+ completed jobs, 100% Job Success. My work focuses on troubleshooting, performance, WooCommerce, custom PHP, APIs, and long-term WordPress stability. I can help with: WordPress maintenance, troubleshooting, and updates WooCommerce checkout, cart, product, and payment issues PageSpeed and Core Web Vitals optimization PHP, JavaScript, CSS, WordPress hooks, and backend fixes Plugin and theme conflicts Custom plugin development and functionality Elementor, Bricks, Gutenberg, and custom themes API and third-party integrations Website migrations, redesigns, and safe updates ⭐ I frequently work with existing websites where changes need to be made carefully. Before editing anything, I review the current setup, identify potential risks, and apply fixes step by step. If your WordPress or WooCommerce website is slow, unstable, difficult to maintain, or needs custom functionality, send me the website URL and a short description of the issue. I can review it and suggest the safest next step. Keywords: WordPress Developer, WooCommerce Developer, CMS Development, WordPress CMS, WooCommerce Expert, E-commerce Developer, WordPress Theme Development, WordPress Plugin Development, Custom WordPress, WooCommerce Customization, WooCommerce Store Setup, WordPress Speed Optimization, Technical SEO, Figma to WordPress, PSD to WordPress, Elementor Developer, Webflow Developer, WordPress Migration, WordPress Maintenance, API Integration, Payment Gateway Integration, Stripe Integration, PayPal Integration, WordPress Bug Fix, Core Web Vitals, GTmetrix Optimization, Website Performance Optimization, Responsive Web Design, Front-end Development, PHP Developer, JavaScript Developer