Amine Ghabi

Android developer for the Sephora mobile app, a high-traffic e-commerce platform available across multiple international markets (Europe, Middle East). Contributed to making the app more scalable, performant, and user-friendly, while continuously delivering new features to millions of users. 👉 Key responsibilities: * End-to-end development of new features across the shopping journey: product discovery, wishlist, cart, checkout, and payment integrations (PayPal, Klarna, etc.). * UI/UX modernization with Jetpack Compose, Clean Architecture (MVVM), and scalable design patterns, ensuring consistency and high performance. * App internationalization & rollout : launched the app in new markets, enabling country-specific features, payment options, and localized content. * Performance & stability optimization : monitored KPIs with Firebase Crashlytics & Dynatrace, proactively reducing crash rate and improving rendering times. * Collaboration with cross-functional teams (Product Owners, Designers, QA, Backend) in an Agile/Scrum environment to deliver frequent, high-quality releases. * Mentored junior developers and participated in code reviews, ensuring best practices in Android development. 🚀 Impact & Results: * Reduced crash rate and significantly improved app stability across markets. * Delivered smoother and faster user journeys (product discovery → checkout), increasing engagement and conversion. * Played a key role in the international growth of the Sephora app, now deployed in multiple countries.

I contributed to the development of the Bbox Android TV app (live TV, VOD, replay) delivered to hundreds of thousands of users. 👉 Key responsibilities: * Designed and implemented high-performance, user-friendly TV interfaces (remote control navigation, Leanback, smooth UX). * Built core features: content catalog management, search engine, personalized recommendations, multimedia player. * Optimized app performance (responsiveness, zapping speed, navigation fluidity). * Collaborated with product, backend, and QA teams to ensure quality and large-scale stability. 🚀 This project strengthened my expertise in Android/Android TV (Kotlin/Java, Leanback, MVVM, streaming, DRM) and allowed me to contribute to a strategic digital product for Bouygues Telecom customers.

Contributed to the development and optimization of the Europcar Android app, serving millions of international users for booking, managing, and tracking vehicle rentals. 👉 Key responsibilities: * Full-cycle development of core features: real-time booking, account management, ongoing rental tracking, additional services (insurance, vehicle upgrades). * Redesigned and optimized user journeys with Material Design guidelines and mobile performance best practices. * Advanced third-party API integrations: secure payments, authentication, geolocation, fleet management, push notifications, loyalty programs. * Implemented unit and UI tests (JUnit, Espresso, UI Automator) and contributed to overall code quality improvements via code reviews. * Performance optimization & crash monitoring with Firebase (Crashlytics, Analytics) leading to improved app reliability. * Active participation in Agile Scrum rituals, ensuring timely delivery of features and continuous improvement. * Cross-functional collaboration with backend, design, and QA teams to deliver a scalable, robust, and user-centric application. 🚀 Impact & Results: * Significantly improved crash-free session rate and reduced latency in critical booking/payment flows. * Direct contribution to Europcar’s digital transformation and increased adoption of the mobile app across multiple markets.

Contributed to the development of Cryptopass, a highly secure mobile communication solution (voice, video, messaging, file transfer), designed for sensitive organizations (government, defense, enterprises) and subject to ANSSI CSPN certification. 👉 Key responsibilities: * Developed and maintained Android & iOS apps (Kotlin/Java, Swift/Objective-C) with advanced security modules. * Implemented end-to-end encryption (E2EE) for voice/video calls, instant messaging, and file transfer. * Leveraged native security tools: Android Keystore, iOS Keychain, Realm for secure data storage. * Integrated networking and mobile frameworks: Retrofit (Android), Alamofire (iOS), FCM/APNs push notifications, CI/CD pipelines with Fastlane, monitoring with Fabric. * Built resilience and network optimization features (auto-reconnect, VoIP latency optimization, bandwidth management). * Worked on C++ interoperability (JNI on Android, Objective-C/Swift bridging on iOS) for cryptography and low-level protocols. * Contributed to ANSSI CSPN certification readiness, in close collaboration with security and cryptography experts. * Participated in code reviews, testing, and bug fixing to ensure robustness and reliability. 🚀 Impact: directly contributed to a strategic secure communications product, ensuring confidentiality, integrity, and resilience, aligned with high-level European cybersecurity standards.

Contributed to the design and development of international client apps (luxury, healthcare, IPTV, banking), handling the full mobile development lifecycle from ideation to App Store / Google Play deployment. 👉 Key responsibilities: * Full-cycle Android & iOS development (Kotlin/Java, Swift/Objective-C), integrating social APIs, cloud services, and third-party SDKs. * Delivered flagship projects: * FranckMuller: luxury watchmaking iPad showcase app (premium UI, optimized performance). * OralCare: Bluetooth-connected smart brushing assistant. * Jobfindy: mobile job-matching platform with REST backend. * ES IPTV: IPTV solution for Smart TVs & smartphones. * Banking apps (BT & STB): secure maintenance and updates. * Implemented UI: Storyboard/xib (iOS), XML layouts (Android) with Material Design & Human Interface compliance. * Set up push notifications (Firebase, APNs), analytics, and performance monitoring. * Managed end-to-end deployment on App Store & Google Play, with partial CI/CD automation. * Collaborated in Agile teams with product owners, designers, and QA for fast, high-quality deliveries. 🚀 Impact & Results: successfully launched and maintained several high-impact consumer and corporate apps across industries, showcasing adaptability and deep expertise in mobile development.