Full Stack Developer based in Amman, Jordan — building responsive web applications, mobile apps, and custom business systems. Available for freelance projects and full-time opportunities worldwide.
I'm Mohammad Abu Khass, a Full Stack Developer from Amman, Jordan. I hold a B.Sc. in Computer Science from Philadelphia University where I graduated with an Excellent GPA.
Over the years I've built everything from responsive university portals to national electronic invoicing systems, Saudi-based client websites, and a cross-platform real estate mobile app — each project sharpening my eye for both code quality and user experience.
I believe great software is built at the intersection of technical precision and genuine care for people.
A full-spectrum toolkit built through years of real-world shipping and continuous learning.
From enterprise university systems to regional client websites — every role added depth to my craft.
Developed and maintained responsive university portals using HTML, CSS, JavaScript, Bootstrap, PHP, and CodeIgniter, with MySQL integration for efficient data management. Designed and implemented an invoicing system integrated with the National Electronic Invoicing System, using XML, JSON, and PHP APIs to process sales invoices for Philadelphia University. Additionally, developed a mobile student portal application using React Native (Expo), currently in development and not yet launched. Also worked extensively on building and integrating multiple APIs and web services to support university systems and data exchange.
Built and maintained client websites focused on responsive design using HTML, CSS, JavaScript, Bootstrap, PHP, and MySQL. Delivered efficient, user-friendly solutions on tight timelines.
Integrated and deeply customized Moodle LMS with PHP scripting. Built responsive, accessible interfaces for e-learning platforms serving hundreds of students and educators.
Real products built for real users — from university campuses to Saudi business clients.
Cross-platform mobile app for buying, selling, and renting properties. Features property listings, advanced search filters, user profiles, and full REST API integration — built as a graduation project.
Government-compliant invoicing system for Philadelphia University, integrated with Jordan's National Electronic Invoicing System via XML/JSON APIs. Handles the full invoice lifecycle with secure, reliable data processing.
Corporate website for a leading Saudi construction & MEP company delivering mechanical, electrical, and plumbing projects across governmental, commercial, and industrial sectors. Fully responsive with SEO-optimised pages deployed on Hostinger.
Extensive WordPress customisation for a Saudi healthcare-technology company supplying critical care, respiratory, neonatal, and lab diagnostic equipment since 2007. Delivered layout redesigns, plugin configuration, and performance optimisations based on evolving client needs.
Website for a Jordanian luxury villa design & construction firm specialising in custom-built residences. Showcases signature projects and bespoke design services, crafted to attract high-end clients seeking elegant, personalised living spaces.
Mobile application for Philadelphia University students — providing access to schedules, grades, announcements, and university services from any device. Built with React Native (Expo) and currently in active development, with an official launch planned soon.
Vendor proposal website for STAX, a dark urban street-food brand at King Hussein Business Park, Amman. The site presents a build-your-own bowls & wraps concept — featuring the menu, brand identity, and service model — submitted as a formal proposal to KHBP in April 2026.
AI-powered system that captures vehicle licence plates via camera and instantly checks whether the plate is registered and authorised to enter Philadelphia University. A dedicated Android APK was built for the security team, deployed on university tablets — giving guards a real-time access decision (Allowed / Denied) with full plate history log.
Internal system for Alisraa Company that digitises the full billing workflow — archiving invoices in a structured database and automatically dispatching them to customers via email. Eliminates manual follow-ups and ensures a traceable, paperless billing process.
Need a website, mobile app, or custom system built? I do freelance work and I'm ready to take on your next project. My inbox is always open.