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Zakaria R.ZR

Zakaria R.

React Native & Expo Mobile Developer

€300/day
Lyon, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Zakaria

I design and develop high-performance, intuitive, and scalable mobile applications for iOS and Android using React Native and Expo.

I led the development of AutoCash Pro, a car inspection application used by over 500 users. There, I developed complex business workflows integrating forms, photo capture, validations, offline functionality, automatic data synchronization, secure authentication, task management, and real-time notifications.

My role is not limited to development. I take the time to understand your challenges, your users, and your goals to propose a suitable, reliable, and maintainable technical solution. I can be involved in the complete creation of an application, the improvement of an existing product, the addition of new features, API integration, or technical problem-solving.

I adapt to the technical environment of each project and always prioritize the most relevant solutions based on your needs, constraints, and objectives.

You can count on clear communication, regular follow-up, attention to detail, and genuine project ownership from conception to delivery.

Do you have a mobile app idea or an existing product to improve? Let's discuss your project and build a solution tailored to your needs.
  • French

    Fluent

  • English

    Native or bilingual

  • Arabic

    Native or bilingual

  • Spanish

    Basic

Can work on-site
Lyon (up to 50km)

Experience

  • AutoCash Startup
    Mobile Developer - Freelance
    AUTOMOBILE
    October 2024 - April 2026 (1 year and 6 months)
    Casablanca, Morocco
    Improvement and maintenance of the AutoCash Pro mobile application in React Native/Expo used by 500+ users for vehicle inspection and marketplace management.
    Implemented AWS Cognito authentication, JWT access control, and RBAC workflows, enhancing security and improving navigation efficiency by 30%.
    Implemented an offline-first NoSQL database, enabling offline inspections and automatic synchronization with the backend upon reconnection.
    Deployed Firebase Cloud Messaging for real-time notifications, increasing task deadline adherence by 25%.
    Designed and implemented CI/CD pipelines with GitHub Actions and EAS, reducing deployment time by 40% and eliminating manual errors.
    Developed a task management system with calendar synchronization for over 200 monthly inspections.
    Collaborated with multidisciplinary teams in an Agile environment to deliver quality features on time.
    React Native Expo iOS CI/CD Android
  • AutoCash Startup
    Mobile Developer - Fixed-term contract
    AUTOMOBILE
    June 2024 - October 2024 (4 months)
    Casablanca, Morocco
    Design and development of the AutoCash Pro mobile application in React Native/Expo to digitize vehicle inspections.
    Development of inspection workflows with forms, photos, and validations, improving expertise speed.
    Contributed to 40% of the application's core features, from design to integration.
    Integrated a chatbot with Next.js and the OpenAI API to assist users on the website.
    Participated in code reviews and Agile ceremonies with product and technical teams.
    React Native Expo Next.js Agile Method Leadership
  • 01Talent Oujda
    Mobile Developer - Internship
    EDUCATION AND E-LEARNING
    December 2023 - May 2024 (5 months)
    Oujda, Morocco
    End-to-end design of a presence tracking mobile application in React Native for the teaching staff.
    Development of a REST API with FastAPI to centralize presence and synchronize data in real-time.
    Integration of 42 OAuth authentication to secure staff access and protect sensitive features.
    Creation of a real-time presence map, reducing time spent monitoring students by 50%.
    Python React Native FastAPI REST API Mobile Application

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Education

  • RNCP Level 7 – Digital Technology Architect
    42 Lyon Auvergne-Rhône-Alpes
    2026
    RNCP N.V 7 – Architecte en Technologies du Numérique
  • 1337 - UM6P
    2025
    1337 - UM6P

Skill set

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