Senior Mobile Developer, Flutter

Imaginary Cloud

. Develop mobile applications using Flutter .

Posted 10/28/2026full-timeCoimbra • PortugalSenior💰 €35,310 - €54,400 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in Mobile Development with a strong focus on Flutter and Dart, including proficiency in architecture, problem-solving, and the end-to-end mobile application release process. Capable of leveraging modern State Management solutions and Agentic AI tools to enhance development efficiency.

Highest-signal resume keywords

Mobile Development ExperienceFlutter Framework ExpertiseDart Programming ProficiencyCI/CD Pipeline ManagementAgentic AI Tools Proficiency

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Flutter DevelopmentDart SyntaxObject-Oriented ProgrammingAsynchronous ProgrammingState Management SolutionsRESTful API ConsumptionLocal Data PersistenceUnit TestingIntegration TestingMobile Application Release Process

Soft Skills

Problem-SolvingClient Interaction

Tools & Technologies

Agentic AI ToolsCursor IDEClaude CodeFastlaneCodemagicGitHub ActionsBitrise

Industry Keywords

Mobile ApplicationsWeb ApplicationsProduct LifecycleGlobal ProjectsDeployment

Tech Stack

Tools & technologies

AndroidDartFlutteriOSJavaKotlinObjective-CSQLiteSwift

About the role

Key responsibilities & impact

Develop mobile applications using Flutter
Solve technical problems and contribute to architecture
Interact with clients as required to develop successful products
Work on development, problem-solving, and architecture tasks throughout the product lifecycle
Build and launch web and mobile applications for industry-leading clients
Participate in global projects
Use Agentic AI tools to accelerate development, refactoring, and complex debugging
Manage the end-to-end mobile application release process, including App Store and Google Play deployment

Requirements

What you’ll need

5+ years of Mobile Development experience
3+ years of extensive hands-on experience using Flutter
Strong command of Dart syntax, Object-Oriented Programming (OOP), null-safety, asynchronous programming (async/await, Future, Stream), generics, and extension methods
Deep understanding of the Flutter framework, including widget tree, stateful and stateless widgets, custom widgets, keys, rendering pipeline, and rebuild management
Experience with modern State Management solutions such as BLoC, Riverpod, or Provider and scalable mobile architectures
Experience consuming RESTful APIs using http or dio, including error logic, retry mechanisms, and request interceptors
Experience with local data persistence and caching using SQLite, Hive, Isar, or SharedPreferences
Proficiency in writing well-designed code and experience with Flutter Unit, Widget, and Integration Testing
Proven experience setting up and maintaining CI/CD pipelines for mobile applications using Fastlane, Codemagic, GitHub Actions, or Bitrise
Hands-on experience with the end-to-end release process, including certificates, provisioning profiles, and deployment to Apple App Store and Google Play Store
Outstanding proficiency using Agentic AI tools such as Cursor IDE and Claude Code
Fluency in English, both spoken and written
Nice to have: familiarity with Kotlin/Java for Android and Swift/Objective-C for iOS to handle MethodChannels and platform-specific integrations
Legal qualification to live and work in Portugal

Benefits

Comp & perks

Flexible working hours
Global projects with industry-leading clients
Career plan with strong growth potential
Health & Dental insurance
Paid sick days
Informal environment
Team events
Caring, respectful and human-centric culture
Comfort budget
Fair compensation according to your experience
Remote-first company
No Outsourcing, as an Imaginaree you will always be part of Imaginary Cloud