mohamed hassan

Developed and launched SaaS-based POS system serving 1000+ users, improving transaction speed (+20%) and reducing
manual tasks (-30%) and Built PWA apps and API integrations with Salla and online ordering platforms - - - - -
Designed and implemented product, expense, supplier, and multi-branch modules with roles & permissions, reports, and
invoice customization.
Integrated AI-powered cart management, barcode scanning, POS payments, and USB printing for seamless cashier
operations and Delivered responsive, scalable web apps with Firebase and advanced performance optimization for
superior UX.

Developed 6+ websites including e-commerce platforms and clinic booking systems, delivering scalable and user-friendly
solutions.
Built a video streaming platform with Amazon S3 integration and SSR/CSR implementation for optimized performance.
Designed and implemented booking systems, real-time validation, inventory management, and product variant handling.

Developed a feature-rich children’s e-commerce website with advanced checkout validation and diverse product
categories including sleepsuits, dresses, and footwear. Built responsive landing pages using HTML, CSS, JavaScript, and
GSAP, featuring high-performance animations, mobile-first optimization, and modern UX/UI design principles to
enhance engagement and conversion rates

Developed a multi-vendor e-commerce marketplace (MyTreety) for sustainable products, ranking items based on their
environmental and sustainable development impact.
Implemented Google authentication, advanced search functionality, tracking systems, and referral programs to enhance
user engagement and Developed vendor dashboard and charity dashboard , content management systems and Built
company websites, contact forms, and integrated Mailgun API for automated communication