Mukesh K.

Top Rated eCommerce & PHP Developer | OSCommerce | WooCommerce | WordPress | Migrations | MySQL | APIs ⭐ Top Rated on Upwork 🏆 130+ completed projects, thousands of hours logged 🛒 1,600+ hours of OSCommerce maintenance and extension work since 2020, all rated 5.0 I'm a senior PHP and eCommerce developer who keeps legacy online stores running, fixes what other developers won't touch, and migrates stores to a modern platform when the business is ready to move. Over the past 15+ years I've worked with store owners worldwide on OSCommerce and WooCommerce maintenance, custom extensions and plugins, payment and shipping integrations, order-tracking automation, performance work, and full platform migrations. Most of my contracts run for years rather than weeks, because clients keep coming back to the developer who already knows their store. ----------------------------------------------------------- My core expertise includes: ----------------------------------------------------------- - OSCommerce: Bug fixes, custom extensions and modules, PHP/MySQL compatibility upgrades, payment and shipping modules, hosting moves, responsive template updates, and ongoing maintenance for stores still running older versions - WooCommerce & WordPress: Custom plugins and themes, order tracking and fulfilment automation, making third-party plugins work together, store rebuilds, and speed optimization - Platform Migrations: Moving product catalogues, customer accounts, and order histories from OSCommerce or other legacy carts to WooCommerce or Shopify without data loss or downtime PHP: PHP 5, 7 and 8 applications, debugging, refactoring, and upgrading legacy code to current versions - Databases: MySQL / MariaDB, query optimization, data cleanup and migrations APIs & Integrations: REST and SOAP APIs, payment gateways (Stripe, PayPal, custom), shipping and tracking services, CRM and third-party syncs - Frontend: HTML5, CSS3, JavaScript, jQuery, responsive templates - Infrastructure: Server and hosting migrations, AWS, database scaling - Also: Shopify and OpenCart setup, theme customization, and fixes I'm particularly strong at stepping into an existing store with years of custom code on it, understanding it quickly, and fixing the problem without disrupting live sales or forcing a rewrite you don't need. Clients value me for long-term reliability, clear communication, and untangling backend issues that stopped orders going through. In their words: "very good developer, we are very likely to use in the future" and "excellent work" on multi-year OSCommerce contracts. Whether you need a developer to maintain a legacy store month to month, fix a difficult bug, build a custom extension, or plan and execute a migration to a modern platform, I can help. Working model: you work directly with me; for larger rebuilds or migrations, additional developers from my team join under my lead. Send me a note with your platform and the problem you're facing, and I'll tell you how I'd approach it.