Mohamed El-Refaie Email & Phone Number

Tanta, Gharbia Governorate, Eg

Dubai, United Arab Emirates

Dubai, United Arab Emirates

Specialized in AWS cloud infrastructure, architecting and managing robust, scalable environments for a cryptocurrency platform.Led the DevOps initiatives, ensuring efficient deployment pipelines, infrastructure as code (IaC), and continuous integration and delivery practices.Developed and maintained serverless functions, significantly enhancing backend processes and supporting the development team in delivering high-performance features.Contributed to the reliability and security of the cryptocurrency platform, leveraging AWS services to optimize operations and reduce downtime.

Dubai, United Arab Emirates

Orchestrated Quint's online presence, crafting their main website using Astro and developing a staking app and a swap app with React and Shadcn UI.Authored a staking contract in Solidity, enhancing Quint's offerings on the Binance blockchain platform.Attained expertise in Web 3.0 technologies, adeptly managing smart contract integrations and excelling in decentralized application development.Undertook DevOps responsibilities, streamlining deployment processes and overseeing AWS infrastructure implementation, including serverless functions for backend support.Implemented a Node.js The Graph server for efficient indexing of NFT contract events, optimizing data queries and interactions for the NFT marketplace.Debugged and improved the NFT marketplace, maintaining high standards of application performance and user experience.Successfully fulfilled all development milestones, contributing significantly to the project's completion in 2023.

Dubai, United Arab Emirates

Engineered the SaaS architecture for a cutting-edge POS system designed for Android devices, catering to the restaurant industry.Created comprehensive API documentation and led the development team through the implementation phase, ensuring adherence to the project's technical standards.Pioneered an 'offline-first' strategy, facilitating uninterrupted POS operations regardless of internet connectivity.Resolved synchronization challenges through a novel multi-master replication system akin to Git conflict resolution, bolstered by WebSocket communication.Implemented WatermelonDB within the React Native framework for Android to support robust offline data management.Oversaw the backend development for back-office functionalities using Node.js, PostgreSQL, and React, focusing on creating a scalable and responsive system.Managed DevOps operations using GitLab CI/CD pipelines, enabling smooth deployment and continuous integration/continuous deployment on Digital Ocean's cloud infrastructure.

Mississauga, Ontario, Canada

Managed full-stack, mobile, and low-code software teams.Oversaw the professional services team for Zoho and NetSuite ERP implementations.

Mississauga, Ontario, Canada

Led a team of engineers in full-stack and mobile development using React Native.Conducted system analysis, converting business requirements to SRS and writing automated tests.

Mississauga, Ontario, Canada

Developed a diverse set of web applications, including tailored business applications, e-commerce platforms, interactive kiosk apps, and SaaS products, catering to a broad client base.Full-stack development with PHP, Laravel, and MySQL, and frontend transition from jQuery to Vue.js.Transitioned to MERN stack for improved scalability and performance.

Cairo, Egypt

Engineered a fully functional bike-sharing system utilizing Raspberry Pi for the kiosk interface, enhancing user interaction and accessibility.Developed the kiosk application using Vue.js and Electron, ensuring a seamless and responsive user experience.Designed and implemented the complete hardware control system for bike stations, incorporating solar power systems for sustainability.Authored the station's control software in Python and integrated Firebase for robust cloud backend services.Implemented RFID technology for secure user authentication and efficient bike checkout processes.Successfully integrated a local payment gateway, enabling convenient and secure transactions for users.

Cairo, Egypt

Spearheaded the development of sophisticated elevator control systems, indicators, and emergency communication solutions from initial concept through to commercial deployment.Programmed 8bit microcontrollers using C and C++ to create intelligent, sensor-integrated control systems, enhancing the safety and efficiency of elevator operations.Utilized Arduino and Processing for rapid prototyping and testing, accelerating development cycles and enabling hands-on verification of system functionalities.Conducted electronic circuit design, prototyping, and rigorous quality assurance testing, ensuring reliable performance in commercial environments.

Delivered a variety of web applications using PHP5, HTML, CSS, and jQuery, addressing diverse client needs and business requirements.Specialized in customizing WordPress and vBulletin forums, tailoring functionality and design to client specifications.Developed both static and dynamic corporate websites, providing businesses with a professional online presence.Crafted native Android applications using Java, focusing on intuitive user experience and robust performance.Collaborated closely with clients to ensure their vision was accurately translated into functional and engaging digital solutions.

Tanta, Al Gharbiyah, Egypt

Developed web applications utilizing established technologies including PHP4/5, Smarty templates, alongside foundational web languages such as HTML4, CSS2, and jQuery, ensuring robust and reliable functionality.

Crafted compelling marketing and promotional graphics, including banners and flyers, to bolster brand visibility and engagement.Produced concise 2D and 3D animated short films tailored for advertising campaigns, effectively conveying brand stories within tight time constraints.