Mohamed Omar Sayadi

Led the design and implementation of a versatile suite of iOS SDKs powering Decathlon’s global Member ecosystem across 41 countries and reaching 125+ million users. These SDKs form the backbone of Decathlon’s digital products, driving engagement and ensuring a seamless, consistent user experience across the organisation’s worldwide applications. SDK Suite Overview Core & CoreSwiftUI Foundation libraries for essential functionalities and SwiftUI components, streamlining development processes across numerous apps. Login Efficiently manages user authentication, providing secure and scalable identity services for millions of members. MemberCore & MemberSwiftUI Dedicated to membership services and account management, combining robust backend integration with intuitive SwiftUI interfaces. Accessibility First Committed to inclusive design, ensuring all SDKs are fully compatible with Voice Over and Dynamic Type, thus meeting diverse accessibility requirements and offering a user-friendly experience for everyone. Key Achievements High-Impact Integration Pivotal in integrating these SDKs into 100+ global applications (including flagship apps like Decathlon Coach and Decathlon Shopping), standardizing user flows and accelerating feature releases. Global Developer Collaboration Provided extensive support to international development teams, enhancing SDK adaptability and usability across multiple markets and languages. Scalable Infrastructure Ensured seamless adoption of Swift Package Manager, SwiftUI, Combine, and industry best practices (Swift-Lint, XCTest) for robust, maintainable codebases. CI/CD Optimisation Deployed Bitrise pipelines to automate testing and deployments, substantially improving development efficiency and release cycles.

Worked on "izOrder", an iPad application for order-taking and CRM that interfaces with ERP systems. Oversaw the addition and implementation of various modules including media management, multilingual components, dynamic CSV imports/exports, and more. Key technologies: Swift-5, Objective-C, CoreData, NSFileManager, Firebase.

Developed "I-WANTIT", a public application for managing gifts with over 500K downloads. Contributed to "FILALAPAT", an application for pet owners with over 200K downloads. Worked on the "AVENE" application tailored for Avène brand professionals. Key technologies: Swift-4, MVVM architecture, RxSwift, Firebase, OneSignal.