JavaScript | TypeScript | Node.JS | Express.JS | ReactJS | MERN

👋 Hi, I'm Diaa Hassan

I am a Full-Stack Developer with a specialized focus on Backend Development. I am passionate about architecting the "engine" of an application—building secure, high-performance APIs and robust server-side logic—while ensuring they integrate seamlessly with clean, intuitive frontend interfaces.

My core expertise lies in the MERN stack, with a deep commitment to writing clean, maintainable code and implementing industry-standard security practices.

🚀 Technical Expertise
Backend: Node.js, Express.js, RESTful API Design

Database: MongoDB (Mongoose), SQL basics

Frontend: React.js, HTML5, CSS3, JavaScript (ES6+)

Security: Implementation of JWT, Bcrypt, and secure authentication flows

Tools: Git/GitHub, Postman, Cloudinary integration

🛠️ What I Bring to Your Project
Security-First Mindset: I don't just build features; I ensure data is protected through encryption and secure authorization protocols.

Performance Optimization: I focus on efficient database queries and asynchronous programming to keep applications fast and responsive.

Scalable Architecture: I enjoy solving complex problems and structuring backends that can grow alongside your business.

Reliable Communication: I pride myself on being highly responsive, meeting deadlines, and providing clear technical documentation.

I am a continuous learner, always staying updated with the latest in backend architecture and system performance. Whether you need a brand-new API built from scratch or improvements to your existing stack, I am ready to help you bring your vision to life.

Let’s connect and discuss how I can add value to your next project!

Work Terms

Payment Terms
Milestone-Based Payments: I prefer working with defined milestones. Payment is expected upon the successful completion and approval of each phase (e.g., Database Design, API Development, Frontend Integration).

Deposit: For new clients or projects exceeding $300, a 20-25% upfront deposit is required to initiate the project.

SafePay: All payments must be funded via Guru’s SafePay system before work begins on any milestone to ensure security for both parties.

Communication & Availability
Updates: I provide daily or bi-weekly progress reports (depending on project size) via Guru Messages or your preferred project management tool.

Availability: I am available [Mention your hours, e.g., 9 AM – 6 PM] (UTC+2). I typically respond to messages within 2-4 hours during business days.

Meetings: I am happy to hop on a quick call for initial requirements or major milestone reviews.

Revisions & Support
Included Revisions: I offer 2-3 rounds of minor revisions per milestone to ensure the final product meets your requirements.

Post-Delivery Support: I provide 14 days of free bug-fix support after project delivery to ensure everything runs smoothly in your production environment.

Scope Changes: Significant changes to the original project scope will be treated as a new milestone and quoted separately.

Ownership & Code Quality
Full Ownership: Upon final payment, 100% ownership and copyright of the source code will be transferred to you.

Documentation: I provide clean, commented code and a README.md file with setup instructions for your technical team.