Abdelrahman Ahmed
Mobile Software Engineer
- Cross-Platform
- iOS
- Android
I specialize in building high-quality applications across multiple platforms, from native Android (Java & Kotlin) and iOS (Objective-C, Swift & SwiftUI) to cross-platform solutions using Flutter, React Native, and .NET MAUI. My career has been driven by a genuine commitment to continuous learning and staying at the forefront of an ever-evolving industry. Lately, that curiosity has extended deep into the world of Artificial Intelligence, exploring how AI can be thoughtfully integrated into mobile experiences to make them smarter, more intuitive, and more impactful. I take pride in my ability to adapt across ecosystems, choosing the right technology for the right problem, and always keeping the end user at the center of every decision. Whether it's mastering a new framework or embracing emerging AI-driven paradigms, I make it a point to continuously expand my knowledge and stay current with the tools and trends shaping the industry.
Experience
Mobile Developer
CME
Developed and maintained new features for a mobile application in close collaboration with a US-based client, ensuring a seamless user experience and robust performance. Architected and built a new .NET MAUI application from the ground up, implementing a scalable MVVM architecture and establishing a project structure designed for long-term growth and maintainability. Led the refactoring of a legacy Xamarin Native application to adopt an MVC architecture, significantly improving code maintainability and scalability. Introduced and integrated unit testing into an existing project, raising code coverage to 80% and reducing regression issues. Contributed to the setup of CI/CD pipelines using Microsoft Azure and monitoring solutions with Datadog, streamlining the overall deployment process.
Mobile Developer
Innuva IT Solutions
Worked on native iOS codebases to ensure application optimization and handled real-time communication bridging between Flutter and native code. Developed a crypto wallet application from scratch, integrating ethers.js, RPCs, smart contracts, and various APIs, while playing a key role in designing the application's structure and architecture. Successfully led the migration of an iOS application to ensure compatibility with iOS 15, resolving critical bugs within a legacy codebase, and managed app deployment on the App Store. Collaborated with cross-functional teams to identify and resolve technical issues, ensuring project stability and functionality, and led the implementation of new features to enhance overall user experience. Worked within Agile methodology, contributing to daily meetings, task coordination, and deadline management.
Mobile Developer
Upwork - Freelancer
Built a complete social media application supporting voice and video calls, integrating real-time communication SDKs, Firebase, and user authentication. Developed a library application from scratch, consuming various GET/POST APIs and handling customizable user form requests. Contributed to a stock and inventory management application, working on complex features with a deep object-oriented programming implementation using reactive programming and dependency injection. Designed and developed a quiz Android application featuring multi-level challenges, alongside a customizable Django backend with a full admin panel for seamless content management.
Projects
Budderfly
Control and monitor energy efficiency using Budderfly Devices and the Budderfly Mobile App. This application is intended for use by Budderfly users only with valid user accounts. This includes but is not limited to customers, contractors and employees of Budderfly, Inc. across the US and Canada. Anonymous users will not be able to use App.
.NET MAUIC#BluetoothCI/CDAWSDatadog
Contivio
An all-inclusive contact center for sales and support, seamlessly plugged into your CRM with extensive multichannel features that are easy to use and maintain, offering unparalleled integration and automation capabilities. Built for the cloud with proven performance, multi-tenant architecture, industry-leading scalability, and patented technologies. Supports global VoIP and WebRTC, connects to any CRM, and can be deployed from anywhere via a softphone, mobile app, or IP phone. Designed for global scalability with no hardware or software to maintain, highly secure, and built to support 99.995% telco reliability.
FlutteriOSDartSwiftRTC
OONE Wallet
A non-custodial DeFi wallet that empowers users to send, receive, store, and swap cryptocurrencies including Ethereum, BNB, Polygon, Avalanche, and many others. Built with a strong focus on security, private keys are encrypted directly on the user's device with support for Face ID and Touch ID, ensuring full ownership and control over funds. Designed for simplicity, the wallet offers a clean and intuitive experience suitable for both beginners and advanced users, with all assets managed in one place. Available in 174+ countries, making crypto accessible on a truly global scale.
React NativeTypescriptWeb3ethersjsRPCs
Sons Of Light
A digital platform built for the Coptic Orthodox Church, designed to modernize and support Sunday school education. Launched as an idea in 2018 and presented at the centennial celebration of Habib Gerges Sunday Schools, the platform serves as a comprehensive educational tool for servants, children, and church leadership alike. It enables servants to prepare lessons, manage absences, assign tasks, and motivate children through an interactive points system, while children can review lessons, complete tasks, track their spiritual progress, and engage with their peers. Church leadership at all levels can access detailed reports to support follow-up and decision-making, all within a single unified platform.
FlutterDartFirebaseAWS
Optum Telehealth
A leading health services company providing integrated solutions across healthcare, financial, and pharmacy services. Optum connects patients with personalized care, empowers individuals to manage their health finances through HSA and FSA accounts, and delivers medications directly to their doors, all with the mission of making healthcare simpler, more accessible, and more affordable.
iOSBluetoothSwiftObjective-C