Websites and Systems Developer - Back-End PHP Laravel. Khalid Ahmed, a Back-End Developer specialized in PHP and Laravel, with over 6 years of experience building websites, systems, and scalable REST APIs. I currently work as a developer at AlTechany in Riyadh, and I have previously worked at E chances in Riyadh and Matrix Clouds in Egypt. My field of work is developing fully integrated systems and websites from scratch, including control panels, subscription and e-payment systems, e-commerce stores, and interfaces.