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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Flutter Developer - **Company:** Nextlane - **Location:** Madrid, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Flutter, Multitier Architecture, Android Software Development, IOS Applications, App Store (IOS), Automation of Tests, Software Quality, Code Review, Software Design Patterns, Mobile Application Software, Performance Tuning, Software Architecture, Software Construction, Systems Integration, Backend, Git, Kotlin, Solid Principles, Deployment Automation, Performance Monitor, Dart, Asynchronous Programming, Google Play, Restful APIs - **Published:** August 8, 2026 - **Apply:** https://www.jobleads.com/es/job/e038425b1e6bdae2efd50351bd52cc9e4 ## About the Role * Interpersonal Skills: Ability to collaborate in a diverse and dynamic environment. * Experience: 4-6+ years * Languages: English, Spanish * Communication: Strong communication skills, both verbal and written ability to influence technical decisions constructively. * Strong software engineering fundamentals, including architecture, design patterns, testing, and system design. * Proven ability to deliver complex features with a high degree of ownership and autonomy. * Experience making architectural decisions and evaluating technical trade-offs. * Strong problem-solving skills and the ability to navigate ambiguity in complex systems. * A quality-focused mindset with experience improving engineering practices and development processes. * Experience mentoring engineers and collaborating effectively within cross-functional teams. * A quality-focused mindset with experience improving engineering practices and development processes. Technical Skills * Strong professional experience developing mobile applications with Flutter and Dart. * Proven experience building, maintaining, and scaling production mobile applications. * Strong understanding of mobile architecture, design patterns, state management, asynchronous programming, and performance optimization. Understanding clean architecture and SOLID principles. * Experience using and implementing state management with Riverpod. * Experience integrating mobile applications with REST APIs and backend services. * Experience designing and implementing automated testing strategies, including unit, integration, and UI tests. * Strong experience with CI/CD pipelines, automated deployments, and mobile release processes. * Strong understanding of software engineering best practices, including code quality, maintainability, security, and observability. * Experience working with Git-based development workflows and collaborative engineering practices. * Experience developing native mobile features using Swift and/or Kotlin. * Understanding of platform-specific capabilities and experience integrating Flutter applications with native iOS and Android code. * Experience publishing and maintaining applications on the App Store and Google Play Store. * Familiarity with analytics, crash reporting, performance monitoring, and feature flagging solutions. * Ability to evaluate technical trade-offs and contribute to architectural decisions across the mobile platform. * Nice to have: * Familiarity of the Patrol testing framework. ## Description As a key member of the team, you will be responsible for: * Own the design, development, and delivery of complex mobile features and systems across our applications. * Build scalable, maintainable, and high-quality solutions using Flutter while contributing to native iOS and Android development when required. * Drive technical decisions, balancing business needs, delivery timelines, performance, and long-term maintainability. * Contribute to the evolution of our mobile architecture, development practices, and engineering standards. * Collaborate closely with Product, Design, Backend, and Engineering teams to deliver outstanding user experiences. * Lead complex integrations with backend services and ensure applications remain reliable, secure, and performant. * Define and improve testing, release, and quality practices to ensure safe and predictable delivery. * Identify technical risks early and propose solutions that reduce complexity and support future growth. * Lead refactoring and modernization initiatives that improve the health of the codebase. * Mentor other engineers through technical guidance, code reviews, and knowledge sharing. Act as a technical leader within the team, driving engineering excellence and helping raise the overall quality of our mobile platform. ## Related Videos - [Intro to Flutter Development](https://www.wearedevelopers.com/videos/170-intro-to-flutter-development) - [Dart - a language believed dead, experiences a new bloom](https://www.wearedevelopers.com/videos/442-dart-a-language-believed-dead-experiences-a-new-bloom) - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Applying DevOps in Flutter mobile development](https://www.wearedevelopers.com/videos/60-applying-devops-in-flutter-mobile-development) - [Flutter Packages and Plugins - A Look Under the Hood](https://www.wearedevelopers.com/videos/555-flutter-packages-and-plugins-a-look-under-the-hood) ## Related Articles - [Basic And Advanced Networking in Dart and Flutter](https://www.wearedevelopers.com/magazine/112-basic-and-advanced-networking-in-dart-and-flutter) - [Flutter Developer Salary [2023]](https://www.wearedevelopers.com/magazine/199-flutter-developer-salary-2023) - [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025) - [8 No-Code App Builders](https://www.wearedevelopers.com/magazine/300-8-no-code-app-builders) - [A Guide to Choosing the Right Tools for App Developers](https://www.wearedevelopers.com/magazine/391-a-guide-to-choosing-the-right-tools-for-app-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)