Dhiaa mostafa Qaid

Full Stack Developer with 5+ years of experience building and scaling B2B e-commerce platforms, SaaS products, and enterprise web applications using PHP, Laravel, React.js, and Next.js. Specialized in RESTful API development, third-party integrations (ERP systems, CRM platforms, payment gateways, and logistics providers), and relational database design. Proven ability to optimize performance, maintain 99%+ uptime, and translate business requirements into robust technical solutions across fast-growth startup environments — serving 500+ enterprise clients and 7,000+ active users.

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.

Bachelor of Information Technology in Information Technology – IBB University (2020-05)