Great score on Find the Length of the Longest Substring Without Repeating Characters, Difficulty Easy
Great score on Optimize Product Page Load Time, Difficulty Medium
Great score on Sharing Authenticated User Data Across the App, Difficulty Medium
Great score on Word Search in Grid, Difficulty Medium
Great score on Validate Parentheses in a String, Difficulty Hard
Great score on Reverse Digits of a 32-bit Integer, Difficulty Medium
Developed and maintained full-stack web applications using React for frontend interfaces and Python (Django) for backend services.
Built reusable, component-based React UI components and integrated them with RESTful APIs.
Designed and optimized server-side logic, ensuring performance, scalability, and maintainability.
Worked with SQL databases to manage application data and improve query performance.
Collaborated using Git/ GitHub, participated in code reviews, and investigated existing codebases to deliver new features.
Developed and delivered production-ready full-stack web applications using Next.js (React) for frontend development and FastAPI (Python) for backend services.
Built server-rendered and client-side React components, optimizing performance and user experience.
Designed and implemented RESTful APIs using FastAPI, including request validation, error handling, and API documentation.
Integrated frontend applications with backend services and third-party APIs to support data-driven features.
Worked with SQL databases to design schemas and manage application data.
Collaborated via Git/ GitHub, participated in code reviews, and investigated existing codebases to implement new features
Full-stack Next.js marketplace integrating Supabase auth/ data, AWS S3 storage, Google APIs, and multi-language support (i18next).

Built production-ready backend with Python FastAPI, PostgreSQL, SQLAlchemy, JWT authentication, and Stripe integration.
Developed Django REST backend with multi-app structure, JWT auth, S3 storage, and analytics/ assessment modules.


Developed full-stack platform using Next.js + React frontend and MongoDB backend.

Abdallah R. is associate Level Developer