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NEXTON

Builds digital projects for large French firms

Flutter Mobile Developer

Mobile EngineeringConfirmed live in the last 24 hours
Full-timeÎle-de-France, FranceNo salary listedIn-person

About the Job

Requirements

  • Approximately 7 to 8 years of software development experience, including at least 4 to 5 years working with Flutter and Dart in a production environment.
  • Strong command of Clean Architecture, widget lifecycle, state management, and analysis and optimization of mobile performance.
  • Demonstrated practice with automated unit, widget, and integration testing, mobile continuous integration and continuous delivery tools, and observability.
  • Power-user proficiency with artificial intelligence tools and development agents applied to the software lifecycle.
  • Professional-level English is essential.

Responsibilities

  • Design, develop, test, and maintain robust, high-performance mobile features using Flutter and Dart.
  • Take full ownership of complex mobile features from design through production deployment.
  • Propose and defend choices related to mobile architecture, user experience, and product design.
  • Apply Clean Architecture, Clean Code, and modular multi-package architecture principles.
  • Instrument user journeys and ensure analytics data quality to measure product impact and adoption.
  • Ensure code quality through automated tests and rigorous code reviews.
  • Monitor and maintain the stability of features in production, including performance monitoring and incident resolution, following the “you build it, you run it” principle.
  • Integrate artificial intelligence tools and coding agents into development workflows to automate targeted tasks while remaining accountable for the results.
  • Support more junior developers, lead technical deep dives, and share knowledge within the team.

About the Company

NEXTON

Builds digital projects for large French firms

NEXTON plans and builds digital projects for large French companies and online businesses, combining digital strategy with software development and marketing. Its teams cover product management, user-experience design, agile delivery and data work, and build websites, mobile applications and customer communications. Clients pay for specialist consultants assigned to their teams or for projects delivered by NEXTON's own agency. The agency combines designers, developers and marketing specialists to handle projects from planning and interface design through development and delivery. Founded in Paris in 2011, NEXTON is headquartered there at 5-7 rue Saint-Fiacre and operates across France.

Company size
Not listed
Company stage
Not listed
Total funding
Not listed
Headquarters
Paris, France
Founded
2011

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