🎯 Software Engineer | Full-Stack Developer | AI-Assisted Development Enthusiast | Oracle Certified Professional

Welcome to my GitHub! 👋
I’m a passionate Programmer with professional experience in software development, database systems, software testing, IT support, and project coordination. I enjoy creating end-to-end scalable applications, transforming ideas into fully deployed solutions, solving real-world business challenges, and exploring modern technologies including AI-assisted development and cloud computing.

🌍 Based in Toronto, ON, Canada
🎓 Studying Software Engineering Technology (Co-op) at Centennial College
💼 Former Software Engineer at Leads Corporation Ltd.
🧪 Co-op experience in PMO Project Support & ServiceNow at Centennial College
🗄️ Oracle Certified Professional (OCP) in Database Development
🤖 Experienced AI-Assisted Development, Backend Engineering, Databases, and Cloud Technologies
🌱 Currently learning AI/ML, Agentic AI Concepts, Cloud Computing, and Advanced Full-Stack Development
🤝 Experienced with Agile and collaborative team environments

A full-stack enterprise web application for cruise reservation management with secure authentication, payment processing, and comprehensive admin features.

Backend: Java 21, Spring Boot 4.0.3, Spring Security 6.x, Spring Data JPA, Hibernate 7.2.4, MySQL 8.0
Frontend: Thymeleaf 3.1.x, Bootstrap 5.x, HTML5/CSS3, JavaScript ES6+
Tools: Maven 3.9+, BCrypt, iText 7

🔗 View Project | 📜 MIT License

A modern microservices-based food delivery platform with service discovery, API gateway routing, reactive programming, and dual interfaces (React customer UI + Thymeleaf admin panel).

Backend Microservices: Java 21, Spring Boot 4.0.5, Spring WebFlux (Reactive), Spring Cloud 2025.1.1, Spring Cloud Netflix Eureka, Spring Cloud Gateway, Spring Data Reactive MongoDB 4.0.5, Project Reactor
Frontend: React 19.2.4, React Router DOM 7.14.0, Axios 1.14.0, Node.js 16+
Admin Panel: Thymeleaf 3.1.x, Bootstrap 5.x, Server-Side Rendering
Database: MongoDB Atlas (Cloud Database)
Architecture: Microservices, Service Discovery, API Gateway Pattern, Reactive Programming
Tools: Maven 3.9+, Docker, Docker Compose

🔗 View Project | 📖 Full Documentation

A comprehensive full-stack web application designed to streamline property management operations, maintenance workflows, and real-time communication between Landlords, Residents, and Contractors. Features real-time messaging, automated notifications, cloud-based file storage, and scheduled email reminders.

Backend: Node.js 18+, Express 5.2, MongoDB 7.1, Mongoose 9.3, Socket.IO 4.8, Auth0 (JWT RS256), Cloudinary 2.2, Brevo 5.0, node-cron 4.2
Frontend: React 19.2, Vite 8.0, React Router 7.13, Bootstrap 5.3, Auth0 React SDK 2.15, Socket.IO Client 4.8
Architecture: Three-tier Architecture, MVC Pattern, RESTful API, WebSocket Real-time Communication
Database: MongoDB (9 collections: User, Profile, Property, Assignment, Maintenance, Room, Message, Notification, Rating)
Key Features: Role-based access control (Landlord/Resident/Contractor), Real-time messaging & notifications, Maintenance tracking with photo uploads, Contractor assignment & rating system, Automated lease reminder emails

🔗 View Project | 📖 Full Documentation | 📜 MIT License

Enterprise-level capital market and brokerage management software serving 100+ active brokerage clients across Bangladesh. The system supports comprehensive trading operations, loan management, client accounts, regulatory reporting, and financial back-office processes, recognized as one of the leading broker back-office solutions in the Bangladeshi capital market.

Backend: C#, ASP.NET Web Forms, .NET Framework
Database: Microsoft SQL Server
Reporting: Crystal Reports
Hosting & Deployment: IIS Server

Academic pathway initiative developed through the Centennial College PMO Office to support transfer opportunities between Centennial College and Trent University by improving collaboration, documentation, and project coordination processes.

Platform: ServiceNow
Project Management: Microsoft Office Suite, SharePoint, Microsoft Project
Practices: Functional Testing, SDLC, Documentation & Process Management

📌 Focus Areas: Project Coordination, ServiceNow Support, Documentation, Testing & Stakeholder Communication
🏫 Organization: Centennial College PMO Office | Toronto, Canada

Nov 2019 – Dec 2022 | Dhaka, Bangladesh

• Developed and maintained enterprise broker back-office applications using C#, ASP.NET MVC, SQL Server
• Worked directly with clients to gather requirements and resolve production issues
• Designed custom reports using SQL Server, Oracle, Crystal Reports
• Deployed applications and performed client data migration
• Improved application reliability through debugging and testing

• 🏅 Oracle PL/SQL Developer Certified Associate (OCA)
• 🏅 Oracle Forms Developer Certified Professional (OCP)

• 💼 LinkedIn: linkedin.com/in/khaledaislam
• 🌐 Website: https://khaleda-portfolio.onrender.com/
• 📧 Email: shaon5310@gmail.com

💡 “Continuous learning, curiosity, and innovation drive great software development.”