System Design Cheat Sheet

Amr Abdelkarem

I’m Amr Abdelkarem, a PHP Backend Developer with 5+ years of experience building backend-driven systems using PHP, REST APIs, MySQL, and PostgreSQL. I’ve worked on e-commerce workflows, payment integrations, shipping automation, and scalable business logic in production environments. I also have previous experience with WordPress backend development and Django-based systems, and I’m currently focused on Laravel and backend architecture. My certifications include IBM’s Developing Front-End Apps with React, plus certifications in Cloud Computing, HTML/CSS/JavaScript, Software Engineering, Python for Data Science, and Databases and SQL.