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Gregory L.GL

Gregory L.

iOS / Swift Mobile Developer

€450/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Gregory

Looking for a specialized Swift developer?


I can handle youriOS app**, **macOS**, **web**, or **backendprojects.

With oversix yearsof specialization in theSwiftecosystem, I help companies design and develop high-performance solutions, from backend to mobile applications.
I have spent the last three years working directly with businesses and project owners. These experiences have led me to manage client relations, technical development, and team coordination.

This has allowed me to acquire technical rigor and a global vision, encompassing both the product and business objectives. These experiences have also taught me how crucial reliability, commitment, and clear communication are to the foundation of a successful project.
  • French

    Native or bilingual

  • English

    Basic

Can work on-site
Paris (up to 50km), Lyon (up to 15km), Lille (up to 15km), Marseille (up to 15km), Toulouse (up to 15km)

Experience

  • Aleph marketing
    Autour
    TRAVEL AND TOURISM
    January 2025 - Today (1 year and 5 months)
    Genève, Switzerland
    Context:
    The original application had significant technical and structural limitations.
    After contacting the owners, I proposed a complete overhaul, based on native applications and a professional backend.
    I developed a comprehensive technical document, including a cost estimate and a quote, then guided the founders in planning the new architecture.
    Achievements:
    Complete backend design and development
    Creation of the administration interface and a dedicated professional space
    Development of the iOS application with SwiftUI
    Coordination and supervision of Android development (delegated to another developer)
    Server deployment with GitHub Actions CI/CD pipeline
    Client relationship management and overall project steering, from scoping to delivery.
    Results:
    Stable performance, scalable API, fluid and engaging interfaces for iOS & Android apps.
    iOS Mobile Application swiftui Back-End Developer Vapor
  • Gofibre
    Project Manager, iOS Developer
    TELECOMMUNICATIONS
    December 2023 - December 2024 (1 year)
    Paris, France
    Context:
    A client contacted me with an idea: to create a platform connecting fiber optic technicians with individual or professional clients.
    After analyzing the needs, I proposed a complete solution covering both mobile applications and the website.
    The client approved the proposal, and I then managed the development of the entire project.
    Achievements:
    Development of the iOS application and delegation of the Android version
    Delegation of Android and web design
    Integration of Firebase real-time database, Auth, and Cloud Messaging
    Implementation of push notifications and the booking system
    Coordination of the various project stages and client follow-up until launch
    Results:
    Functional and fluid platform offering a simple and intuitive user experience.
    The collected data allows for the retrieval of relevant KPIs to validate and prove the concept.
    Enhanced online visibility thanks to the associated showcase website.
    iOS Project Management Business Strategy
  • myDev (anciennement iProfit)
    iOS Developer and Technical Project Manager
    SOFTWARE PUBLISHING
    January 2022 - Today (4 years and 5 months)
    Dubaï, United Arab Emirates
    Context:
    As part of the development of a customizable e-commerce platform, the goal was to design a solution that could be reused at will—a complete e-commerce template, adaptable to web, iOS, and Android versions.
    The challenge: to enable the creation and delivery of a customized website and mobile applications in under 48 hours for mobile and one week for the web.
    End clients were companies on annual contracts, for whom the platform was visually and functionally adapted to their brand (e.g., habibbi.fr, Painthouse.fr).
    Achievements:
    Complete development of native iOS applications with Swift
    Technical coordination between Android and web teams
    Verification and validation of cross-platform code to ensure inter-product consistency
    Writing technical documentation and supporting Android developers
    Managing store publication, including resolving disputes with Apple during validation
    Supervising exchanges between different teams to maintain compatibility between APIs and mobile applications
    Client relationship management
    Results:
    Implementation of an ultra-fast deployment process, allowing for the delivery of a functional iOS application in under 48 hours.
    Several client projects have been successfully published on the stores.
    Swiftui product owner Project Management REST API Localization

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Education

  • Optimize your deployment by creating containers with Docker
    OpenClassrooms
  • Machine learning on iOS
    Udemy

Certifications

Skill set

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