Transforming business challenges into scalable technical solutions with 10+ years of experience building enterprise-grade applications across fintech, government, and hospitality sectors.

• 🏢 Senior Software Engineer at CADD Emirates (Sharjah Prevention & Safety Authority | Sharjah Police)
• 🔧 Architecting enterprise-grade full-stack applications
• 🌱 Focused on microservices, cloud infrastructure, and DevOps automation

• ⚡ Migrated monolithic systems to AWS microservices → 80% customer growth
• 💰 Optimized payment flows (Apple Pay integration) → 23% revenue increase
• 👥 Led cross-functional teams → 25% faster delivery, 98% satisfaction rate
• 🚄 Enhanced system performance by 30% through code optimization

Real-time hotel-guest communication platform with WebSocket messaging

• Tech Stack: Java Spring Boot WebSocket HTML5 CSS Bootstrap JavaScript Ajax Docker Multi-tenancy
• Logic: https://level-blue-iuil9sik0u.edgeone.app/
• Hotel Chat Dashboard:

• User Chat Dashboard:

⭐ WebSocket real-time messaging • Hotel-guest communication • Dockerized deployment • AWS CI/CD pipeline

Full-stack VPN platform with robust authentication and authorization
Tech Stack: Java Spring Boot JWT Redis REST API
⭐ JWT authentication • Redis caching • REST API architecture

Windows desktop application for validating Google Play and Apple App Store payments

• Tech Stack: C# WPF .NET
• 🎥 Watch Demo

⭐ Payment verification • Cross-platform validation • Desktop application

Comprehensive Spring Boot showcase featuring security and multi-tenancy
Tech Stack: Java Spring Boot JWT Multi-tenancy Security
⭐ JWT authentication • Multi-tenant architecture • Advanced Spring Security

Enterprise-level tracking system built with C# and .NET for comprehensive asset management

• Tech Stack: C#, .NET, SQL Server, ASP.NET
• Features: Real-time tracking, reporting, data visualization, database management
• Highlights: Complete CRUD operations, responsive design, secure authentication
• 🎥 Watch Demo

Microservice for authentication and authorization
Tech Stack: Java Spring Boot JWT OAuth
⭐ JWT token management • Role-based access control • Microservices ready

Full-featured pharmacy management solution with Laravel

• Tech Stack: Laravel, PHP, MySQL, Bootstrap
• Features: Medicine inventory management, order processing, prescription handling
• Use Cases: Medical stores, pharmacies, healthcare facilities

Full-featured e-commerce solution with ASP.NET MVC

• Tech Stack: ASP.NET, C#, Entity Framework, SQL Server
• Features: Product catalog, shopping cart, order management, payment integration
• Target Audience: Beginners learning e-commerce development

Online booking platform for fitness centers

• Tech Stack: C# Windows Application, HTML5, CSS, Bootstrap, ASP.NET
• Features: Class scheduling, member management, booking management
• Interface: Modern and responsive UI design

Android game project for learning mobile development

• Tech Stack: Java, Android SDK
• Features: Game mechanics, mobile UI, interactive gameplay
• Purpose: Educational project for Android development beginners

Payment integration logic with server-side validation and automated recurring billing system

• Tech Stack: Java, Android SDK, RESTful APIs
• Features: Payment gateway integration, secure transactions, server communication, recurring payment
• Includes: Complete payment flow scenarios and documentation

Python-based water detection application

• Tech Stack: Python
• Application: Environmental monitoring, data analysis
• Use Cases: Water quality monitoring, detection systems

Non-profit organization website with content management system

• Tech Stack: PHP, MySQL, HTML5, CSS3, JavaScript
• Features: Dynamic content management, multilingual support, donation system
• Purpose: Supporting humanitarian missions and community outreach
• Live Site: internationalmissiondevie.org

Sports academy management platform for Sharjah, Dubai, and Ajman

• Tech Stack: PHP, MySQL, Bootstrap, JavaScript
• Features: Academy registration, class scheduling, sports program management
• Services: Football, Basketball, Tennis, Swimming, Gymnastics
• Established: 2014 - Family-run sports academy
• Live Site: prosportsuae.infinityfree.me

public class CurrentFocus {
    private String[] technologies = {
        "Microservices Architecture",
        "Cloud-Native Applications",
        "DevOps & CI/CD Pipelines",
        "Observability & Monitoring",
        "Distributed Systems"
    };
    
    public void goals() {
        System.out.println("Building scalable enterprise solutions");
        System.out.println("Mentoring junior developers");
        System.out.println("Contributing to open-source projects");
    }
}

• 🏢 CADD Emirates - Modernizing government systems for Sharjah Prevention & Safety Authority
• 🔐 Super Future - Built VPN platform with payment microservices
• 🏨 Neorcha - Led cloud migration and collaborated with teams across countries (UAE, Egypt, Germany, France)
• 🌐 Applink - Developed full-stack VPN solutions with 12% revenue boost

• 🎓 Master's Degree in Cyber Security - Lebanese University (2015-2017)
• 🎓 Bachelor's Degree in Computer Science - Lebanese University (2011-2015)

📄 View Resume (PDF)

I'm always open to discussing new projects, collaborations, or opportunities in software engineering, cloud architecture, and DevOps.

• 📧 Email: touficsleiman.uae@gmail.com
• 💼 LinkedIn: linkedin.com/in/toufic-sleiman
• 💻 Stack Overflow: stackoverflow.com/users/5033352/toufic-sleiman
• 📱 Phone: +971 56 611 4217
• 🌍 Location: Dubai, UAE

⚡ "Turning complex problems into elegant solutions, one commit at a time" ⚡