● Contributed to the design and Implementation of Talentera's Key Management System(KMS).

● Developed and maintained Talentera, one of the most sophisticated Applicant Tracking Systems (ATS) in the MENA region, trusted by many industry giants such as Mobily, SABB, Al Rajhi Bank, VIVA, and many others (public info on Talentera's portal)

● Designed and built a charging service that processes ~20 million daily transactions for over a million subscribers while maintaining stable performance by utilizing asynchronous programming and thread throttling.● Increased charging service revenues by 15% by developing a strategy for predicting promising subscribers based on their statistics using a heuristic approach and assigning a higher charging attempt ratio accordingly.● Participated in the design, development, and maintenance of multiple VAS solutions for top telecommunication companies in the MENA region such as Vodafone, Orange, and Ooredoo.● Built several services for monitoring, reporting, and routine tasks automation that increased team productivity.● Implemented several subscription flows, and API integrations with 3rd party payment providers for multiple projects.

● Developed a web application for an online medical care scheduling system that allows patients to view/submit doctors’ reviews, book clinic appointments, and trace them easily.

● Participated in a 1-month training on full-stack web development using PHP framework Laravel and CSS framework Bootstrap to develop responsive web applications.● Designed and Implemented a real-time chat web app with web sockets using Laravel and Vue.js.