Mubarak Ismail Sayed

Mubarak Ismail Sayed

Senior Backend Developer
Egypt
English, Arabic
Full-time Work from Home

About Me

Senior Backend Developer with 4+ years of experience building Laravel-based SaaS platforms, multi-tenant systems, and RESTful APIs. Experienced in backend architecture, performance optimization, and third-party integrati…

Experience

Senior Backend Developer

Sure Global Technology · Remote
Jan 2026 - Present · 9 months

<p>Built and maintained a multi-tenant Laravel SaaS platform with isolated databases and configurable business rules for different organizations.</p><p> Designed tenant-aware middleware and authentication flows, ensuring secure data separation across client environments.</p><p> Developed approval workflows, integrations, and reporting features in collaboration with product and frontend teams.</p><p> Improved backend efficiency through query optimization, caching strategies, and background jobs.</p><p> Used Claude, OpenAI Codex, and Open Code for codebase analysis, debugging, and refactoring, critically reviewing AI-assisted changes for quality and maintainability.</p>

Backend Developer

Wakeb-data · Giza, Egypt
Feb 2023 - Dec 2025 · 2 years 10 months

<p>Developed reusable, maintainable PHP components following PSR coding standards and backend best practices.</p><p> Conducted code reviews to improve consistency, readability, and long-term maintainability.</p><p> Managed concurrent development tasks and delivered backend features within project deadlines.</p>

Backend Developer

Lun Startup Studio · Cairo, Egypt
Feb 2022 - Feb 2023 · 11 months

<p>Designed, implemented, and documented RESTful APIs for web and mobile applications.</p><p> Built APIs powering the Talabatcom restaurant administration app and supporting order-related workflows.</p><p> Integrated Telr payments, Unifonic SMS, and Firebase notifications into production applications.</p>

Skills

PHP JavaScript C++ Laravel Vue.js Redis Ajax MySQL AWS Nginx RESTful APIs Multi-tenant Architecture Authentication Queues Windows Server IIS Git Data Structures & Algorithms SOLID Principles OOP Design Patterns Claude OpenAI Codex Open Code Codebase Analysis Debugging Refactoring Technical Documentation Telr Unifonic Firebase Active Directory
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