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Seeing the world through logic, building its future through scalable systems.
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Seeing the world through logic, building its future through scalable systems.
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OmarSoftArch/README.md

Hi, I'm Omar Abdulhameed

Software Engineer building ERP, SaaS and AI-powered business systems with Oracle APEX, .NET, Python and strong database design.

When you think in systems, every problem becomes software waiting to be built.

About Me

  • Software Engineer with hands-on experience in ERP, HRMS, accounting systems, and SaaS platforms.
  • Specialized in Oracle APEX, PL/SQL, database design, backend development, and secure API integrations.
  • Experienced in ZATCA e-invoicing, Salla ERP integration, biometric attendance systems, and business workflow automation.
  • Interested in AI, NLP, computer vision, and automation solutions that solve real operational problems.
  • I enjoy designing systems that are practical, scalable, and easy to maintain.

Core Expertise

  • Enterprise Applications: ERP systems, HRMS, accounting systems, workflow automation, and multi-tenant SaaS platforms.
  • Oracle Development: Oracle APEX, PL/SQL, Oracle Database, custom authentication, reports, and business logic.
  • Backend Engineering: ASP.NET Core, C#, RESTful APIs, JWT authentication, integrations, and service-oriented architecture.
  • Database Design: Relational database modeling, SQL optimization, data integrity, backup recovery, and secure data workflows.
  • System Integrations: ZATCA e-invoicing, Salla ERP integration, biometric attendance devices, WhatsApp notifications, and third-party APIs.
  • AI & Automation: Python, NLP, computer vision, OpenCV, deep learning, document analysis, and process automation.

Tech Stack

Languages
C#, Python, SQL, PL/SQL, JavaScript, PHP, Java

Backend & Web
ASP.NET Core, RESTful APIs, JWT Authentication, HTML/CSS, jQuery, AJAX

Oracle & Enterprise
Oracle APEX, Oracle Database, PL/SQL, JasperReports, ZATCA Integration, Salla Integration

Databases
Oracle Database, SQL Server, MySQL, PostgreSQL, MongoDB, SQLite

AI & Automation
Machine Learning, Deep Learning, NLP, Computer Vision, OpenCV, Process Automation

Tools & DevOps
Git, GitHub, Docker, CI/CD, Deployment, Cloud, DevOps

What I Build

  • ERP and accounting systems for managing financial operations, invoices, reports, and business workflows.
  • HRMS platforms covering attendance, payroll, offboarding, employee records, and mobile integrations.
  • Multi-tenant SaaS applications with secure authentication, role-based access, and scalable database design.
  • RESTful APIs for connecting web apps, mobile apps, ERP systems, and third-party services.
  • Business automation tools that reduce manual work and improve operational accuracy.
  • AI-powered solutions for document analysis, computer vision, face recognition, and remote sensing use cases.

Featured Projects

Exchange Companies Management System

Financial business system built with Oracle APEX, Oracle Database 19c and PL/SQL for managing exchange company operations.
Repository

Medical Laboratory Management System

Oracle APEX-based system for managing medical lab workflows, records, and operational processes.
Repository

POS with Oracle APEX

Point-of-sale prototype using Oracle APEX Collections to simulate fast sales transactions and business operations.
Repository

Customer Management System

Oracle APEX customer management system with create, update, delete, search, filtering, and Excel import features.
Repository

Library Management System

Graduation project built with C# and WPF, connected to an Azure cloud database.
Repository

E-Book Library Website

PHP-based web application for managing books, users, lending, selling, adding, editing, and deleting library content.
Repository

Selected Professional Work

Some of my strongest work was built for real business environments and is not fully available as public repositories.

  • ERP System: ERP system that includes subsystems such as accounting, sales, purchasing, inventory, and other ERP modules
  • Multi-Tenant HRMS Platform: HRMS covering attendance, payroll, offboarding, employee records, mobile API integration, and ZKTeco biometric attendance devices.
  • ZATCA E-Invoicing Integration: Integration between accounting systems and the Saudi Zakat, Tax and Customs Authority for automated e-invoicing compliance.
  • Salla ERP Integration: Integration between Salla and ERP systems to synchronize items and categories, convert orders into sales invoices, and map customers and payment methods.
  • Secure Mobile APIs: JWT-secured APIs for connecting mobile applications with enterprise systems.
  • AI Resume Screener: Python and NLP-based tool for analyzing and ranking CVs against job descriptions.
  • Computer Vision Automation: Face recognition and computer vision solutions using Python and OpenCV.

🤝 Let's Connect

I'm always open to collaboration, learning, and contributing to meaningful projects.
Feel free to explore my work or reach out through any of the platforms below:

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  1. Exchange-Companies-Management-System-with-apex Exchange-Companies-Management-System-with-apex Public

    Illustration of part of the exchange companies management system using Oracle Apex , Oracle DB19c and PL/SQL

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  2. OmarSoftArch OmarSoftArch Public

    Config files for my GitHub profile.

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