Islam Hassan Abd Allah Alalfy

Professional Summary

Senior Backend Engineer and Technical Team Lead with 6+ years of experience designing, developing, and scaling SaaS platforms, multi-tenant systems, e-commerce solutions, ERP systems, POS integrations, and mobile application backends.

Specialized in Laravel architecture, backend scalability, system optimization, API development, software architecture, and technical leadership. Experienced in leading cross-functional development teams, conducting code reviews, mentoring developers, sprint planning, and managing software delivery lifecycles.

Core Competencies

Backend Architecture, Software Architecture, SaaS Development, Multi-Tenant Systems, Domain-Driven Design, SOLID Principles, Design Patterns, Service-Oriented Architecture, API Design & Development, Team Leadership, Technical Mentoring, Sprint Planning, Code Review, CI/CD & DevOps, Performance Optimization, Database Optimization, Caching Strategies, Payment Gateway Integration, ERP & POS Systems.

Technical Skills

Backend: PHP, Laravel, REST APIs, GraphQL, Authentication & Authorization, Queue Systems, Events & Listeners, API Security, Payment Gateway Integration.

Databases: MySQL, MariaDB, Database Design, Query Optimization, Database Indexing.

Architecture & SaaS: Multi-Tenant Architecture, SaaS Systems, Multi-Vendor Platforms, Service Layer Architecture, Repository Pattern, SOLID Principles, Design Patterns.

Infrastructure & DevOps: Docker, Docker Compose, Linux, Ubuntu Server, Nginx, Redis, Supervisor, GitHub Actions, CI/CD Pipelines, Server Management.

Testing: PHPUnit, Feature Testing, Integration Testing, API Testing.

Admin Panels: FilamentPHP, Livewire.

Frontend: ReactJS, JavaScript, TailwindCSS, HTML, CSS.

Mobile: Flutter, Dart.

Payment Gateways: Paymob, Fawry, Kashier, OPay, STC Pay, Telr, PayPal.

Selected Achievements

Increased backend infrastructure capacity from approximately 25 requests/minute to more than 3,000 requests/minute through Laravel, Docker, Nginx, PHP-FPM, caching, and infrastructure optimizations.
Reduced average API response times from around 5 seconds to under 1 second.
Led the development and maintenance of food delivery and online ordering platforms serving 300+ restaurants.
Designed and launched YoStore, a multi-tenant SaaS e-commerce platform supporting custom domains, payment gateways, shipping integrations, and merchant management.
Designed and developed ERP and business management solutions used by multiple organizations, including a manufacturing ERP system connecting 13 marble factories.

Professional Experience

Technical Team Lead - Bakka Soft

Cairo, Egypt | Nov 2024 - Present

Leading backend, frontend, mobile, and QA teams.
Conducting code reviews and enforcing coding standards.
Mentoring junior and mid-level developers.
Managing sprint planning and task distribution.
Participating in architecture and technical decision-making.
Managing release cycles and deployment workflows.
Led development and maintenance of HurryApp food delivery ecosystem.
Managed SaaS-based online ordering systems integrated with POS platforms.
Built and maintained Docker-based development and production environments.
Implemented CI/CD workflows that significantly improved deployment reliability.
Optimized application infrastructure and backend performance, increasing system capacity from approximately 25 requests/minute to over 3,000 requests/minute while reducing API response times from around 5 seconds to under 1 second.
Supported systems serving over 300 restaurants through centralized ordering and POS integrations.

Senior Software Engineer - GRE Development

London, United Kingdom | Remote | Feb 2024 - Oct 2024

Led backend and full-stack development using Laravel and ReactJS.
Designed scalable backend architectures and APIs.
Participated in technical planning and architecture discussions.
Contributed to a large-scale multi-vendor SaaS e-commerce platform.
Built merchant management systems and business automation modules.
Improved maintainability and scalability of core platform components.
Worked on systems supporting hundreds of thousands of merchants across multiple regions.

Senior Backend Engineer - Bakka Soft

Cairo, Egypt | Dec 2022 - Feb 2024

Developed and maintained online ordering platforms integrated with POS systems.
Designed backend APIs and business workflows.
Built integrations between customer-facing applications and restaurant operations.
Participated in architecture reviews and backend optimization initiatives.

Founder & Technical Lead - YoTech

Jan 2024 - Present

Founded and managed a software development company.
Led technical teams across multiple client projects.
Managed software delivery, planning, architecture reviews, and quality assurance.
Designed and built YoStore SaaS Platform.
Implemented scalable multi-tenant architecture.
Developed reusable modules for e-commerce and SaaS products.
Managed complete product lifecycle from planning to deployment.

Part-Time Full Stack Developer - USEDAY IT

Remote | Feb 2024 - Dec 2024

Delivered web and mobile solutions for startups and SMEs.
Collaborated directly with stakeholders and business owners.
Developed custom business solutions using Laravel and Flutter.

Full Stack Developer - SPC Tech

Dec 2023 - Feb 2024

Developed taxi booking platform and supporting APIs.
Built backend services using Node.js and Firebase.
Integrated mobile applications with backend infrastructure.

Full Stack Developer - Knooz Misr

Dec 2021 - Dec 2022

Developed ERP solutions connecting 13 marble factories.
Built reporting, production management, and operational modules.
Designed database structures and backend services supporting factory operations.

Full Stack Developer - Arinanetwork

Remote | Jun 2019 - Nov 2021

Developed ERP and business management systems.
Built offline-capable business applications.
Implemented licensing and software activation mechanisms.
Developed source-code protection solutions for distributed software products.

Featured Projects

YoStore SaaS Platform

A multi-tenant e-commerce platform enabling businesses to launch and manage online stores.

Features: Multi-Tenant Architecture, Merchant Management, Product Management, Domain Management, Theme Management, Shipping Integrations, Payment Gateway Integrations, Customer Management, Order Management.

HurryApp

Large-scale food delivery and restaurant ordering ecosystem.

Features: Restaurant Management, POS Integration, Online Ordering, Delivery Management, Customer Applications, Reporting Systems, Multi-Branch Operations.

Multi-Vendor SaaS Store Platform

Large-scale e-commerce platform supporting multiple merchants and storefronts.

Features: Vendor Management, Product Catalog, Order Management, Merchant Dashboards, Payment Processing, Scalable SaaS Architecture.

Leadership Experience

Technical Team Leadership, Software Architecture Design, Sprint Planning, Agile Workflows, Code Review, Team Mentoring, Task Distribution, Technical Interviews, Project Planning, Freelance Team Management.

Education

Bachelor's Degree in Civil Engineering

Al-Azhar University | Graduated: 2021

Languages

Arabic: Native

English: Professional Working Proficiency

Additional Information

Egyptian Nationality

Military Service Completed

Driving License Holder