Ahmad Sadek

Developed and maintained back-end services using Python and Django, including designing and implementing new API endpoints as well as refactoring existing code for improved performance and maintainability.

Contributed to front-end development using Node.js and TypeScript, ensuring seamless integration with back-end systems.

Built and maintained React Native mobile applications, working on both legacy apps and greenfield projects.

Led the development of a mileage tracking mobile app, implementing location tracking and trip-saving functionality to support accurate mileage reporting.

Diagnosed and resolved bugs across multiple repositories, improving system stability and user experience.

Worked with SQL and DynamoDB databases, depending on project requirements.

Extended mobile functionality by writing Swift code for native iOS features not supported by React Native, ensuring full feature parity across platforms.

Collaborated with cross-functional teams in an agile environment, regularly participating in code reviews and deployments.

I developed a Flutter-based mobile app that allows users to access free OpenVPN servers from all over the world. The app also uses Firebase messaging, Firebase Cloud Functions and implements Google AdMob.

A React Native mobile app that I developed, which allows users to retrieve or share information related to traffic situations instantly. It is a traffic-based mobile application where users can instantly detect situations—such as road works, traffic jams, and accidents—and radar and warn other drivers by sharing.

A React Native-based app that allows users to send anonymous messages to each other. I was the front-end developer of this app, and I used Firebase tools to hold the user database and connect the real-time chat service.

A React-based front-end website for 90Pixel. I worked as a front-end developer alongside a team of front- and back-end developers to display a modern design and layout of a website for a leading tech company.

A React Native-based mobile app for weight and health management, allowing users to keep track of their diet and live healthier lives by engaging in fun physical activities. I was the full-stack developer of this app, working on the front and back end of the mobile app and admin panel, and the application's landing page.

WatersAbove™ is a cross-platform subscription-based community and personal development platform designed to help members improve accountability, productivity, and connection through premium content, events, courses, and interactive community features.

As the lead full-stack developer, I was responsible for the architecture, development, and launch of the platform. I worked closely with the founders to translate evolving business requirements into production-ready features while driving the technical roadmap from concept to launch. My work included building membership management systems, subscription and payment flows with Stripe, course and video delivery functionality using Mux, community feeds, groups, events, notifications, daily check-ins, accountability tools, and a comprehensive administrative dashboard.

I also led platform optimization efforts, implemented scalable back-end services, resolved production issues, improved cross-browser compatibility, and contributed to the planning and development of the upcoming mobile application experience. The project required close collaboration with stakeholders, rapid iteration cycles, and continuous delivery of new features throughout a multi-month engagement.