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Thibault DemarsTD

Thibault Demars

Web & Mobile Developer | React Native / Next

€500/day
Bordeaux, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Thibault

Web, Mobile and Creative Technologist Developer.
Supporting startups and large companies in the creation or improvement of their products.
Development of websites, creation of mobile applications and deployment on stores (iOS/Android), AB/Testing, interactive experiences and UX recommendations.
  • English

    Conversational

  • Spanish

    Basic

  • French

    Native or bilingual

Can work on-site
Bordeaux (up to 10km)

Experience

  • Adoria
    Lead Front-End Web and Mobile
    SOFTWARE PUBLISHING
    July 2025 - Today (11 months)
    Bordeaux, France
    Design and development of dedicated business mobile applications for real-time inventory management and product scanning, enabling complete traceability of goods flow between suppliers and points of sale.

    Close collaboration with the Design team: support and implementation of UX flows, co-creation workshops with the designer to ensure a fluid and intuitive user experience, adapted to the field constraints of mobile users. Integration of digital accessibility requirements (RGAA) from the design of the screens.

    Implementation of an integrated analytical solution (Posthog) to collect and analyze usage data, allowing identification of friction points and continuous optimization of user journeys.

    Technical and architectural redesign: restructuring of existing legacy code, definition of a scalable and maintainable project architecture, with particular attention to modularity and component reusability (Storybook).

    Team upskilling: personalized support for developers on React and React Native, leading regular technical workshops, sharing development best practices and raising awareness of responsible and effective AI usage in a team context.

    Systematic code reviews ensuring the quality, readability, and consistency of the produced code, with a focus on the standards of the React and TypeScript ecosystem.

    Comprehensive automated testing strategy ensuring application reliability and robustness: end-to-end (E2E) tests, unit tests, and integration tests (Jest / storybook), allowing early detection of regressions and facilitating future developments (>80% coverage).

    Collaborative and iterative work, with a strong culture of feedback and continuous improvement, fostering team autonomy and accountability.

    Industrialization of deliveries via CI pipelines
    React.js React Native TailwindCSS Next.js Expo
  • Marki&co
    Mobile Developer
    RESTAURANTS AND FOOD SERVICE
    October 2024 - January 2025 (3 months)
    Bordeaux, France
    Full-stack design and development of mobile and web applications: complete creation of a restaurant booking solution, from technical architecture to production, covering the entire project lifecycle.
    Development of an interactive table plan system: implementation of an advanced graphical interface with React Native Skia allowing real-time creation, modification, and visualization of room plans, with drag & drop, zoom, and rotation management of tables.
    Smart booking module: development of a complete booking system with real-time availability management, slot validation, automatic confirmation, and push notifications for customers and restaurateurs.
    Allergy prevention feature: implementation of a traceability and alert system allowing restaurants to manage customer dietary restrictions and allergies, ensuring a safe and personalized experience.
    Contact management and integrated CRM: development of a customer database with booking history, culinary preferences, and personalized notes, facilitating loyalty and personalized service.
    UX/UI design from A to Z: complete creation of the visual identity, creation of mockups on Figma, definition of the design system (colors, typographies, reusable components) and user journeys optimized for restaurateurs and customers.
    Modern and performant architecture: implementation of a robust technical stack with tRPC for type-safe communication between front and back, React Query for optimized cache and server state management, and Cloudflare for performant and secure edge hosting.
    Optimized cross-platform development: use of Expo to maximize code sharing between iOS, Android, and Web while ensuring native performance and a fluid user experience on each platform.
    End-to-end type-safety
    React Native Expo Typescript tRPC Cloudflare Workers
  • Dernier Cri
    Developer
    SOFTWARE PUBLISHING
    November 2018 - Today (7 years and 7 months)
    Bordeaux, France
    Development of Web and Mobile applications. Support on digital projects from design to production.
    React.js React Native Node.js DevOps three.js react three fiber

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Education

  • Interactive Developer Bachelor
    Gobelins, Paris
    2019
    Développement de sites web, d'applications mobile, expériences intéractives, jeux vidéos. Sensibilation à l'esthétique, au parcours UI/UX. Utilisation de framework Symphony, RubyOnRails, React, ReactNative Développement d'applications en Swift et en Java.
  • Master in Design and management of interactive innovation
    Gobelins, Paris
    Poursuite du bachelor, approfondissement de l'UI/UX. Développement de l'esthétique React, ReactNative, Javascript, WebGL, RubyOnRails.

Skill set

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