11/13/2026 updated
100 % available
Senior Flutter Developer
Cenes de la Vega, Spain
Only remote
B.Sc. in Computer EngineeringFlutterWorkflowsTest-Driven Development (TDD)Google FirebaseBackendDart
Flutter & Mobile Development
Expertise in building and shipping iOS and Android apps using Flutter and Dart, applying Clean Architecture, BLoC, Riverpod, and MVVM patterns for scalable and maintainable codebases.
CI/CD & Automated Pipelines
Extensive experience setting up and managing automated build and release pipelines using GitHub Actions, Codemagic, and Bitbucket Pipelines, including migration of legacy codebases to Flutter 3.x.
AI & LLM Integration
Hands-on experience integrating AI-assisted workflows using Claude Code for code review, feature development, and localization, with LLM review connected to CI pipelines including guardrails and permission boundaries.
Testing & TDD
Strong background in test-driven development, including unit, widget, and integration testing using Mockito and Mocktail, with adoption of TDD as a team standard.
Backend & Data Integration
Proficiency in working with Firebase, Firestore, REST APIs, and Hive for backend connectivity and local data persistence in mobile applications.
Team Leadership & Mentoring
Experience leading teams of 4 to 6 Flutter developers on public-sector mobile projects, conducting technical interviews, and mentoring junior and mid-level developers.
Agile Methodologies & Tools
Familiarity with Agile and Scrum methodologies, supported by tools such as Git, Jira, and Postman for efficient project management and API testing.
Third-Party API Integration
Experience integrating third-party APIs and building reusable components shared across multiple mobile applications in telecom and retail client projects.
Expertise in building and shipping iOS and Android apps using Flutter and Dart, applying Clean Architecture, BLoC, Riverpod, and MVVM patterns for scalable and maintainable codebases.
CI/CD & Automated Pipelines
Extensive experience setting up and managing automated build and release pipelines using GitHub Actions, Codemagic, and Bitbucket Pipelines, including migration of legacy codebases to Flutter 3.x.
AI & LLM Integration
Hands-on experience integrating AI-assisted workflows using Claude Code for code review, feature development, and localization, with LLM review connected to CI pipelines including guardrails and permission boundaries.
Testing & TDD
Strong background in test-driven development, including unit, widget, and integration testing using Mockito and Mocktail, with adoption of TDD as a team standard.
Backend & Data Integration
Proficiency in working with Firebase, Firestore, REST APIs, and Hive for backend connectivity and local data persistence in mobile applications.
Team Leadership & Mentoring
Experience leading teams of 4 to 6 Flutter developers on public-sector mobile projects, conducting technical interviews, and mentoring junior and mid-level developers.
Agile Methodologies & Tools
Familiarity with Agile and Scrum methodologies, supported by tools such as Git, Jira, and Postman for efficient project management and API testing.
Third-Party API Integration
Experience integrating third-party APIs and building reusable components shared across multiple mobile applications in telecom and retail client projects.
Experience
Professional experience5 - 10 years
Freelancer since2024
Languages
EnglishFluentSpanishNative speaker
Project history
Senior Flutter developer on a production app with extensive in-product AI. Built UCI Care from scratch and published it on the App Store for ICU patient management including real-time monitoring, patient records and clinical scheduling. Introduced a tracking system in an existing production Flutter app. Built an AI-assisted delivery workflow with Claude Code for code review, feature work and localization. Connected LLM review to GitHub Actions with guardrails and permission boundaries. Migrated legacy codebases to Flutter 3.x and automated build and release pipelines with GitHub Actions and Codemagic.
Led a team of 4 to 6 Flutter developers on public-sector mobile apps for Spanish Government, from architecture through delivery. Set Clean Architecture and BLoC as the team standard and drove adoption of unit and integration testing and TDD. Ran Flutter interviews and mentored junior and mid-level developers.
Refactored a legacy codebase to Riverpod and MVVM, reducing technical debt and improving maintainability. Built new modules from design mockups following Clean Architecture and SOLID principles. Owned App Store and Google Play deployments through automated CI/CD using Bitbucket and Codemagic.