ضياء مصطفى

✔Developed E-commerce platforms with secure payment processing and inventory management for specialized markets.
✔Designed, built, and integrated Evix ERP (cloud-based accounting system) with external services via Restful API s, ensuring high system reliability and availability.
✔Developed HR Management Systems including attendance tracking, payroll automation, and policy management.
✔Built multi-tenant SaaS logistics platforms using Laravel with sub-domain architecture, supporting scalable operations and real-time tracking.
✔Optimized database performance for large datasets through indexing, caching, and query optimization, significantly improving response times.
✔Implemented secure authentication and RBAC (Role-Based Access Control) to ensure data isolation and multi-user security.
✔Managed and supported multiple enterprise tenants, ensuring system stability, performance, and continuous availability.
✔Led the development of ERP and CRM systems, implementing w

.✔Developed and enhanced Restaurant Management Systems and Hotel Reservation Systems .
✔Designed and implemented saleable web applications and business websites, including an entrepreneurship platform.
✔Collaborated within Agile/Scrum teams to deliver projects on time and within budget.
✔Built responsive and modern user interfaces using Bootstrap, Tailwind CSS, SASS, and Pug-js.
✔Integrated front-end applications with back-end services and Restful API s.
✔Contributed to platform architecture design and performance optimization

.✔Developed and maintained cross-platform mobile applications using Flutter and Dart
✔Built and delivered production-ready solutions including School Management Systems, E-commerce Platforms, and Hotel Booking Systems with seamless user experiences
✔Integrated mobile applications with RESTful APIs and backend systems built on Laravel and PHP, ensuring efficient data flow and real-time synchronization
✔Collaborated with cross-functional teams in Agile/Scrum environments to deliver features on schedule, participating in daily standups, sprint planning, and code reviews
✔Implemented responsive UI/UX designs using SASS and Flutter widgets, optimizing application performance and reducing load times by 30%
✔Participated in full Software Development Life Cycle (SDLC): requirements gathering, technical design, development, testing, deployment, and maintenance
✔Maintained high code quality standards through unit testing, code reviews, and adherence to best practices, ensuring 98% bug

Projects
- Scientific Research Website: Developed using Laravel.
- Clothing Store Website: Developed using PHP.- Darzmord Website (darzmord.com): Developed using Laravel.
- Surveillance Camera Company Website (janahayn.com): Developed using Laravel.
- POS System Website (SaaS): Developed using Laravel.
- Manager's Website: Developed using Laravel.
- Electronic Game (Graduation Project): Developed using Unreal Engine (UN).
-Real Estate System Application.
- Video Player App: Developed using C#.