MD SHAHADAT H.

Hello! I am a Senior Software Architect and Published Author specializing in Oracle APEX, Cloud Architecture, and Enterprise Database Systems. With over 23+ years of enterprise experience, I help organizations maximize their Oracle investments by building secure, blazing-fast web applications, migrating legacy systems, and engineering complex data workflows. I am the author of published textbooks on Cloud Application Development via Oracle APEX and Business Intelligence (BI Publisher & Power BI). Whether you need to migrate legacy Oracle Forms to modern APEX Cloud (OCI), optimize bottlenecked PL/SQL packages, or integrate complex external REST APIs, I deliver production-ready, highly optimized solutions. 🚀 Core Specialized Capabilities • Oracle APEX Modernization: Seamless end-to-end upgrade of legacy systems (Oracle Forms/Reports) into modern, responsive Oracle APEX applications (Handling versions from APEX 3.x up to the latest cloud releases). • Database & PL/SQL Engineering: Writing and tuning high-performance packages, stored procedures, triggers, complex analytical queries, and JSON/XML parsing. • Enterprise Reporting & BI: Designing pixel-perfect dashboards and automated corporate reports using BI Publisher, Power BI, and Jasper Reports. • Front-End Extensibility: Extending native APEX components cleanly using JavaScript, jQuery, AJAX, and CSS to deliver fluid, responsive user experiences without breaking page lifecycle flows. 🏥 High-Value Industry Domain Expertise • Healthcare & Pharmaceuticals (18+ Years): Custom EHR systems, laboratory information management systems (LIMS), pharmacy inventory modules, and compliance workflows. • Supply Chain, Manufacturing & Financials (12+ Years): Complex multi-currency ERP modules, automated invoicing, secure billing tracking, and stock ledger optimization. • Banking, Energy, and Government (3+ Years): Financial reconciliation tools, core ledger reporting, data warehouse builds (ETL/ELT), and audit-compliant logging systems.