Dhiaa mostafa Qaid

Senior Full Stack Developer at Bander Trading Company (2023-01 – Present)

Built and maintained multi-tenant SaaS e-commerce and logistics platform (Laravel + React.js) scaling to 7,000+ active users with real-time WebSocket tracking — optimized for reliability and performance under high-traffic load.
Designed and developed scalable back-end services and RESTful APIs for Evix ERP integration with 500+ enterprise clients — ensuring high availability, seamless data synchronization, and strict tenant isolation.
Integrated third-party systems including ERP platforms, CRM solutions, payment gateways, and logistics providers via RESTful APIs.
Developed multi-vertical e-commerce platforms with secure payment gateway integration and inventory management systems across multiple business domains.
Built a comprehensive HR Management System covering automated payroll processing, attendance tracking, leave management, and configurable policy workflows.
Optimized application performance using Redis caching, strategic SQL indexing, and query restructuring — improving API response times by 40%+ on high-traffic endpoints.
Implemented enterprise authentication with Role-Based Access Control (RBAC) ensuring strict data isolation and security across all multi-tenant environments.
Established CI/CD pipelines using GitHub Actions and Docker for automated testing and deployments; maintained 99%+ uptime across all production environments.
Maintained technical documentation and development standards across all platform components.

Full Stack Developer at Smart System (2022-01 – 2023-12)

Developed and enhanced Restaurant Management Systems and Hotel Reservation Systems using Laravel + React.js — improving operational workflows and booking efficiency.
Designed and built an entrepreneurship platform and multiple corporate business websites — managing full SDLC from system design to production deployment.
Built fully responsive, user-friendly front-end interfaces using React.js, Next.js, Tailwind CSS, and Bootstrap — integrated with RESTful back-end APIs.
Contributed to platform architecture design, code reviews, and performance optimization across concurrent Agile/Scrum projects.

Freelance Full Stack Developer at Self-Employed (2021-01 – 2022-12)

Delivered custom web applications and third-party API integrations for various clients using Laravel, PHP, React.js, and modern JavaScript frameworks.
Maintained and upgraded legacy codebases, improving security, reliability, and system performance.

Full Stack Developer at SKYSOFT (2020-01 – 2021-12)

Developed cross-platform mobile applications using Flutter: School Management System, E-commerce Platform, and Hotel Booking System.
Integrated mobile applications with RESTful APIs and Laravel/PHP back-end services within Agile teams — maintaining high code quality and responsive UI standards.

نبذة