Freelancer profile translated to English.

Description

SeniorAndroid Developerwith **5 years of experience, specializing in designing high-performing, robust, and user-centric Android applications. I am involved in the entire mobile product lifecycle, from technical design to production, leveraging Kotlin, Jetpack Compose, MVVM / Clean Architecture, Coroutines & Flow**, as well as REST API integration.

I have worked onhigh-traffic consumer applications, particularly in the retail and e-commerce sectors, with a particular focus on code quality, performance, stability**, and user experience. Comfortable in **Agile/Scrum environments, I collaborate closely with product, design, and backend teamsto deliver reliable, scalable solutions aligned with business objectives.

Results and impact-oriented,I bring real added value to my clients through clean, maintainable code, a product vision, strong adaptability**, and **clear communication. I am looking for assignments where I can improve existing applicationsor build modern, sustainable Android products with a high level of technical requirement.

Languages

French
Native or bilingual
English
Native or bilingual

Workplace preferences

Can work on-site

Paris (up to 50km)

Fnac Darty
Senior Android/KMP Developer
E-COMMERCE
March 2023 - February 2026 (2 years and 11 months)
Paris, France
Development and evolution of e-commerce consumer applications with Kotlin and Jetpack Compose.
Participation in the catalog redesign (navigation, search/filtering, performance, UX) and optimization of loading times.
Implementation of an offline mode: local persistence (Room), caching, synchronization management, and network error tolerance.
Integration of back-end services via Retrofit, asynchronous processing with Coroutines/Flow, state management, and pagination.
Implementation/strengthening of MVVM architecture (Clean Architecture principles): separation of responsibilities and improvement of testability.
Quality and delivery: code reviews, bug fixing, POCs, implementation of tests (unit/UI depending on scope), adherence to best practices and Scrum rituals.
Production monitoring: monitoring, analysis, and reduction of crashes via Firebase Crashlytics, crash-free > 99%, preparation of releases and deployments to the stores.
WebView integration and hybrid flows, management of app ↔ web interactions (navigation, deep links, callbacks).
KMM XML MVVM Java Android
Wenext
Full-Stack Mobile Developer / Blockchain Engineer
August 2020 - February 2023 (2 years and 6 months)
Paris, France
Development and maintenance of an Android application (Kotlin/Java) focused on employee savings and financial services.
Design and implementation of key flows: authentication, profile management, transaction history, notifications (push/in-app depending on scope).
Integration of REST/JSON APIs: error handling, loading states, pagination, retries, improvement of network robustness.
Implementation and continuous improvement of MVVM / Clean Architecture: separation of responsibilities, modularization, application of SOLID principles.
Performance optimization (startup time, UI fluidity) and stability improvement through logs/monitoring and proactive bug fixing.
Daily collaboration with the Product/UX team and Back-end (refinement, estimation, reviews, delivery) within an Agile/Scrum framework. Contribution to the CI/CD pipeline: build automation, quality checks, version and release management. Stack: Kotlin, Java, MVVM/Clean Architecture, REST/JSON, Git, CI/CD, Scrum Coroutines/Flow, Retrofit, Room, Hilt, Firebase/Crashlytics, Unit/UI tests.
Jetpack Compose Kotlin MVVM Java XML