Senior Mobile Developer (Flutter)

About the Position

If you are a Flutter Developer looking for a place where you can grow, learn, embark on exciting projects, and surround yourself with an amazing and caring team, join us!

At Imaginary Cloud, we believe technology should improve and simplify people's lives. We are a Software Development and UX/UI Design company that follows a unique user-centric Product Design Process. We helped build and launch more than 200 web & mobile applications worldwide together with industry-leading clients and have been awarded in 2020 as Top 100 Fastest Growing Company and Top 1000 Global Company by Clutch.

Our purpose is to champion a human-centric world; that is why we put our people first always. You can expect a respectful and caring culture, where you can grow and learn in a flexible work environment (see for yourself by checking our Glassdoor rating). We are a certified Great Place to Work®, an award that proves our dedication towards building a Human-Centric World from within.

Responsibilities

As a Mobile Developer, your day-to-day tasks include development, problem-solving, architecture, client interaction, as required to develop a successful product.

Requirements

• 5+ years of Mobile Development experience
• 3+ years of extensive hands-on experience using Flutter
• Strong command of Dart syntax, Object-Oriented Programming (OOP), sound null-safety, asynchronous programming (async/await, Future, Stream), generics, and extension methods.
• Deep understanding of the Flutter framework: widget tree, stateful vs. stateless widgets, custom widgets, keys, rendering pipeline, and efficiently managing rebuilds.
• Solid experience with modern State Management solutions (e.g., BLoC, Riverpod, or Provider) and scalable mobile architectures.
• Experience consuming RESTful APIs (using http or dio), handling error logic, retry mechanisms, and request interceptors.
• Experience with local data persistence and caching (e.g., SQLite, Hive, Isar, or SharedPreferences).
• Proficiency in writing well-designed code with strong experience in the Flutter testing ecosystem (Unit, Widget, and Integration Testing).
• Proven experience setting up and maintaining CI/CD pipelines for mobile applications (e.g., Fastlane, Codemagic, GitHub Actions, or Bitrise).
• Hands-on experience with the end-to-end release process, including managing certificates, provisioning profiles, and deploying applications to the Apple App Store and Google Play Store.
• Outstanding proficiency in using Agentic AI tools like Cursor IDE and Claude Code to accelerate code development, refactoring, and complex debugging.
• Fluency in English, both spoken and written.

Nice to Have

• Familiarity with native mobile languages (Kotlin/Java for Android, Swift/Objective-C for iOS) to handle MethodChannels and platform-specific integrations.

We Offer

• A remote-first company. We seek team members who live in Portugal or are willing and legally qualified to live and work in the country.
• 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
• No Outsourcing, as an Imaginaree you will always be part of Imaginary Cloud

About the Company

Imaginary Cloud is a Software Development and UX/UI Design company that helped design, build, launch, and scale 300+ web and mobile applications. With offices in Portugal (Lisbon and Coimbra) and in the UK (London), we have been designing and developing innovative digital products for more than 10 years.

Founded in 2010, we have been committed to creating a human-centric world through technology.

Application Details

Department: Development

Role: Software Developer

Locations: Portugal, Coimbra, Lisbon

Remote status: Hybrid

Salary: €35,310 - €54,400/year

Employment type: Full-time