- Refactored and optimized an election project for performance, readability, andreusability, adding unit test code.- Collaborated on the Donation and App Core Projects, actively involved in development ofApp Core microservices using Laravel microservice architecture, applied Redis caching,MongoDB, and RabbitMQ messaging to optimize performance and scalability, whileadhering to suitable design patterns for robust and maintainable code.

- Led the development of ExperiEgypt Project: boosting tourist engagement andsimplifying historical site bookings.- Spearheaded the development of Office of Cultural Affairs Project streamlined thepermit process for accessing historic sites for various media and scientific missions.- Managed the EaswaaqSellerPortal project, a multi-vendor ecommerce website,facilitating multiple vendors to sell on the eAswaaqMisr platform.- Developed and published a rule engine eCommerce Laravel package for promos anddiscounts: https://packagist.org/packages/abdallah/ecom-rulengine - Contributed to open-source projects solving issue on Bagisto Ecommerce laravel data faker: https://github.com/bagisto/laravel-data-faker/issues/28#issuecomment-1377195618- Refactored and upgraded legacy projects, improved system performance reducing loadtime from +5 seconds to less than 0.5 second.- Mentored junior developers, creating internship roadmaps that led to increase in teamproductivity.- Implemented payment gateway integration for eKhales and Banque-Misr systems.- developed reusable repository to be used for integrating payment in other projects.•Reviewed penetration testing reports with the security team, applying necessary fixes perOWASP guidelines.

- Designed and implemented a complex module for Advanced Cargo Information (ACI),praised for simplifying its complexity and use of design patterns, ensuring the module'sextensibility- Suggested and implemented Firebase SMS user verification, reducing company SMS costsby 75%.- Contributed to development of a workflow for registering import companies, fromdocuments collection to final approval, writing Codeception test for complex modules.- Refactored DB queries for daily reports, reducing load times from over 2 minutes tounder 15 seconds- Integrated ElasticSearch for faster full-text search across complex modules.- Integrated digital signature modules, allowing secure system access and electronicform/document signing.

- Integrated real-time notifications and Firebase, enhancing user engagement.- Utilized Google Maps APIs and marker clustering for better location accuracy.- Integrated Payfort payment gateway, ensuring secure transactions.- Developed and documented Restful APIs, implementing code review processes tomaintain code quality.- Refactored complex functions & optimized database queries for improvedperformance, writing unit tests and Behavior-Driven Development (BDD)scenarios to ensure code quality and functionality.- Automated operational tasks like email list cleaning and real-time reportingdashboards.

- Full HR Recruitment, HR Employee clearance, and Merchandising web applications(Laravel5.4, AngularJS & Oracle DB).- Created an employee portal with chat messaging using PhoneGap.- Build a Facebook-like Messaging Chat Application (MEAN Stack).- Developed a Kanban Board (JavaScript), and contributed features to the QDPM open-source project (Symfony1.4).- Developed Some SAP Reports (ABAP), and small employees point system app (Android).

- Worked on Ecommerce Application (Laravel4), hospital management system, inventorymanagement system, and real-estate project (Laravel5.1), and implemented full surveyweb application (Laravel5.2), Developed photography studio web app (YII1), contributedon APIs of bogo-plus rewarding mobile app (Phalcon).- Successfully implemented manual caching for reports and orders, significantlyboosting performance, and developed a streaming website using WebRTCdespite the technology being nascent at the time and won the company's first"Man of the Quarter" award for outstanding contributions.

- Contributed to the development of anti-bullying projects and platforms,integrating Redis for performance optimization and ensuring robust unit testcoverage following TDD (Symfony2.3, MySQL, Redis & PHPUnit).Migrated data of largescale project “profileTree” from MongoDB to MySQL usingDoctrine ODM & ORM.- Contributed solving symfony social authenticationpackage: https://github.com/hwi/HWIOAuthBundle/issues/477

Developed key websites for the Al-Jeraisy group like Computer & Communications: https://www.jccs.com.sa/Services, Furniture factory: https://jff.com.sa/And the Saudi Arabian Football Federation (CodeIgniter & MySQL).