# Mohamed Ayman

> Portfolio of Mohamed Ayman Khodeir — a CS student and full-stack software developer building Flutter apps, Python backends, and AI-powered tools used by 40,000+ people.

Mohamed Ayman builds cross-platform mobile and desktop applications, FastAPI and Python backend services, Discord/Telegram/WhatsApp bots, and AI assistants. Highlights include a Global Nominee finish at the NASA Space Apps Challenge 2025 (Astro Lens) and 2nd place at Digitopia 2025 (Athr).

## Main pages

- [Home](https://mohamedayman.net/): Biography, skills, experience, certifications, and contact details.
- [All projects](https://mohamedayman.net/projects/): Complete software portfolio of Mohamed Ayman Khodeir, also known as MAymanKH (maymankh).
- [Blog](https://mohamedayman.net/blog/): Long-form technical writing on security, backend design, and software engineering.
- [CV (PDF)](https://mohamedayman.net/cv/Mohamed_Ayman_Khodeir_CV.pdf): Full résumé — education, experience, and technical skills.

## Projects

- [Flexify](https://mohamedayman.net/project/flexify/): Explore Flexify, a Flutter mobile app with 30,000+ downloads, offering stunning 4K wallpapers and custom widgets. Developed by Mohamed Ayman.
- [Akhbar Elyom Academy](https://mohamedayman.net/project/akhbar-elyom-academy/): Explore Akhbar Elyom Academy, an official student portal app with 3,000+ installs, enabling students to securely view academic summaries and results. Developed by Mohamed Ayman.
- [ShinAI Agent](https://mohamedayman.net/project/shinai/): An intelligent multi-platform AI bot engineered by Mohamed Ayman. Features personality-driven responses, long-term memory with RAG architecture, and cross-platform contextual awareness across Telegram, Discord, and WhatsApp.
- [Hadith Searcher](https://mohamedayman.net/project/hadith-searcher/): Explore Hadith Searcher, a comprehensive Flutter app for researching the Hadiths of the Prophet Muhammad with advanced filtering and offline access.
- [ShinTube API](https://mohamedayman.net/project/shintube-api/): A FastAPI backend that uses yt-dlp to provide a RESTful API for fetching video metadata, search results, playlists, comments, and subtitles from YouTube. Built by Mohamed Ayman.
- [Athr](https://mohamedayman.net/project/athr/): Explore Athr, an actionable threat intelligence platform that connects external data leaks to internal compromised assets. 2nd Place Winner at Digitopia 2025.
- [Astro Lens](https://mohamedayman.net/project/astro-lens/): Astro Lens — Global Nominee at NASA Space Apps Challenge 2025. An AI-powered cross-platform app that simplifies NASA’s space biology research and enables smart exploration of scientific papers.
- [Bridger](https://mohamedayman.net/project/bridger/): A lightweight, fully asynchronous Python application that creates multi-way bridges between Telegram chats, Discord channels, and WhatsApp groups/chats.
- [Competitive Programming Bot](https://mohamedayman.net/project/competitive-programming-bot/): A comprehensive Discord bot for competitive programming communities, engineered by Mohamed Ayman using Python, discord.py, and the Codeforces API. Deployed for the MUST University CPC community.
- [Shinobi Bot](https://mohamedayman.net/project/shinobi-bot/): A feature-rich Discord bot with 100+ commands for server management, moderation, entertainment, and trivia. Developed by Mohamed Ayman.
- [Verbo](https://mohamedayman.net/project/verbo/): A Python-based modern translator program that can translate text, images, audio, and video subtitles. Developed by Mohamed Ayman.
- [YouTube Downloader](https://mohamedayman.net/project/youtube-downloader/): A simple and modern desktop app for downloading YouTube videos, playlists, subtitles, and thumbnails. Built with Python by Mohamed Ayman.

## Blog posts

- [Understanding Authentication Security](https://mohamedayman.net/blog/understanding-authentication-security/): A deep dive into system design flaws, JWT security, Access & Refresh Token Rotation, HTTPS limitations, Certificate Pinning, and preventing IDOR attacks.

## Elsewhere

- [GitHub](https://github.com/MAymanKH): Source code for the open-source projects listed above.
- [LinkedIn](https://linkedin.com/in/mohamed-ayman-khodeir): Professional profile and work history.
- [Email](mailto:mohamed.ayman.khodeir@gmail.com): Direct contact.

## Optional

- [Sitemap](https://mohamedayman.net/sitemap.xml): Every indexable URL on this site.