Ali Hamza

Senior Backend Developer & API Coordinator

Developer Akademie • Freelance

Dec 2024 - Present • 1 yr 7 mos

Developed and maintained scalable backend applications using Laravel 11, PHP, and MySQL. Designed and implemented secure RESTful APIs for web and mobile applications. Integrated multiple international payment gateways and financial services. Built secure authentication systems using Laravel Passport, OAuth, and HMAC-SHA256 authentication. Developed cryptocurrency modules by integrating BitGo APIs for wallet management and crypto transactions. Integrated bill payment services including Flutterwave, Paga, and Nextapalio. Designed reusable service classes and implemented Laravel Service Container architecture. Optimized complex MySQL queries and improved application performance. Created dynamic admin modules for country-based feature restrictions. Implemented real-time notification systems using AJAX and database notifications. Worked closely with frontend developers to deliver seamless API integration. Maintained API documentation and ensured compliance with security best practices.

Web Developer (PHP/Laravel)

CyberShield • Fulltime

Dec 2022 - Nov 2024 • 1 yr 11 mos

# Professional Experience ## Senior Web Developer (PHP/Laravel) **Cybergen** As a Senior Web Developer at Cybergen, I was responsible for designing, developing, and maintaining scalable web applications using PHP, Laravel, MySQL, and modern web technologies. I worked on multiple client projects across different industries, collaborating with project managers, designers, frontend developers, QA engineers, and clients to deliver secure, high-quality, and performance-oriented solutions. My primary responsibility was backend development, where I designed application architecture, developed business logic, built RESTful APIs, integrated third-party services, optimized databases, and ensured that applications followed industry best practices for security, scalability, and maintainability. Throughout my tenure, I participated in the complete software development lifecycle, including requirement gathering, system design, development, testing, deployment, maintenance, and post-production support. I developed robust Laravel applications by following the MVC architecture and Laravel's best practices. I built reusable components, service classes, middleware, and custom validation logic to keep applications modular and easy to maintain. I also implemented authentication and authorization systems, role-based access control, session management, password recovery, email verification, and secure API authentication using Laravel Passport and token-based mechanisms whenever required. A significant part of my work involved designing and developing RESTful APIs for web and mobile applications. I created well-documented API endpoints that supported user authentication, profile management, dashboards, notifications, reporting, file uploads, and third-party integrations. I worked closely with frontend developers and mobile application teams to ensure smooth API communication and consistent data exchange. Database design and optimization were among my core responsibilities. I created