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David LambertDL

David Lambert

FullStack Web & Mobile Developer | Technical SEO

€550/day
Nantes, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About David

👋Your project
Do you have a website, application, or business tool to create, take over, or evolve?
I help companies, agencies, and associations advance their web and mobile projects: adding features, taking over existing systems, maintenance, performance optimization, or improving existing system reliability.

👨‍💻My profile
FullStack Web & Mobile Developer with over 20 years of experience, I work on application projects, business tools, SaaS platforms, and custom web projects.

🛠️Technical side
Today, my main technologies are Next.js, AdonisJS, Symfony, WordPress, Flutter, Kotlin Multiplatform, PostgreSQL, and Docker.
I also have a solid foundation in Java / Java EE, Spring, and Hibernate, acquired on older projects. This foundation helps me take over existing applications, understand legacy codebases, or support progressive refactoring.

🔎Technical SEO and performance
I also work on technical SEO when it's related to the project: performance, HTML structure, accessibility, indexability, redirection management, or refactoring security.
The goal: prevent technical aspects from hindering the visibility, usability, or evolution of the website or application.

🤝How I work
I can work directly with my clients, autonomously on a defined scope, or as support for agencies and technical teams.

🌱On the side
I am also co-president of Code Solidaire, an association that mobilizes developers and designers on projects with social, educational, or environmental impact.
  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • La Cabane Digitale
    FullStack Web & Mobile Engineer
    January 2022 - Today (4 years and 5 months)
    Project context:
    Interventions for direct clients and agencies on web, mobile, and application projects: creation, redesign, evolution, maintenance, and technical optimization.

    Missions:
    • Development of custom websites, mobile applications, and SaaS
    • Corrective maintenance, performance optimization, and technical SEO
    • Design and development of TalentSwap, a skills exchange platform
    • Design and development of OnWatch, a website and API monitoring tool
    Next.js Adonis.js Flutter Kotlin Multiplatform Wordpress
  • Solinum
    FullStack Developer
    CIVIC AND SOCIAL ORGANIZATIONS
    September 2025 - December 2025 (3 months)
    Project context:
    Soliguide is a web application listing solidarity places and services. Added a favorites system to facilitate access to consulted structures.

    Missions:
    • Development of the Favorites page and associated screens
    • Adaptation of screens according to the design system
    • Evolution of the API to create, view, and delete favorites
    • Implementation of local caching
    • Addition of user tracking
    Svelte Design System API Express Front-End Development
  • Pratik
    FullStack Developer
    CIVIC AND SOCIAL ORGANIZATIONS
    June 2024 - June 2025 (1 year)
    Project context:
    Maintenance and evolution of a Flutter application centralizing information on essential services.

    Missions:
    • Development and maintenance of the Flutter application and backend
    • Adaptation of the Flutter Web application to ensure iOS and Android compatibility
    • Update of Flutter and dependencies, performance optimization
    • Migration from Google Maps to Mapbox
    • Automatic import of location data via the Google Business Profile API
    Flutter PostgreSQL API Mobile Development Mapbox

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Education

  • Computer Engineering, Information Systems Option
    CNAM
    2013
  • Computer Designer-Architect
    CNAM
    2010

Certifications

Skill set

Categories