Mohammad Rahman

Senior Full-Stack Developer / Custom ERP & POS Specialist

MMD Smart • Fulltime

Dec 2025 - Present • 6 mos

Successfully engineered, scaled, and deployed high-performance, tailored Enterprise Resource Planning (ERP) and Point of Sale (POS) software solutions for diverse business sectors, with a heavy specialization in Garments manufacturing and Buying Houses. By leveraging Core PHP and custom MySQL optimization, I focused on building blazing-fast applications completely from scratch, eliminating heavy framework overhead and ensuring maximum security. Key Responsibilities & Major Achievements: • Garments & Textile ERP: Engineered a complete production tracking pipeline, seamlessly connecting fabric merchandising, dynamic costing sheets, sample approvals, raw material inventory, and final shipment tracking into one unified system. • Buying House Management Systems: Architected automated workflows for Proforma Invoice (PI) generation, buyer/supplier management dashboards, order progress monitoring, and commission calculation logic. • Multi-Branch POS & Inventory: Developed highly responsive, multi-store POS systems capable of seamlessly tracking 50,000+ SKU inventory items with barcode generation, automated real-time low-stock alerts, and centralized daily financial accounting reports. • Dedicated B2B Buyer Portals: Implemented isolated, ultra-secure login portals allowing international clients to self-track production lifecycles, QC statuses, and download commercial invoices independently, reducing manual client communication by 40%. • Security & Database Optimization: Wrote strictly sanitized, clean Core PHP code utilizing prepared statements and parameterized queries to effectively bulletproof the software against SQL injections and XSS vulnerabilities. Technical Stack Used: Core PHP, MySQL (Advanced Query Optimization), JavaScript, Ajax, Bootstrap, HTML5, CSS3, JSON/RESTful APIs, and Git.