Experienced Flutter Developer – Contractor

🕒 March 5

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Stack Builders

WebsiteLinkedInAll Job Openings

51 - 200 employees

🤝 B2B

☁️ SaaS

B2B • SaaS • Tech Consulting

Stack Builders is a technology consulting firm specializing in custom software development and technology modernization solutions. They offer a unique blend of advanced programming, particularly in languages like Haskell and TypeScript, and business growth consulting to deliver engineered software solutions that drive business growth. Their services include nearshore development, full lifecycle support, security and compliance, and innovative web solutions, with a focus on high-quality, secure, and compliant software. Stack Builders partners with clients across various industries to modernize outdated systems and enhance digital experiences, demonstrating exceptional professionalism and technical proficiency.

📋 Description

• Build high-quality code with a talented team. • Support and care for each other's growth and well-being. • Review all candidate applications and keep in touch for future opportunities.

🎯 Requirements

• Advanced written and spoken English skills. You will interact directly with our US clients. • 3+ years of experience building mobile applications using Flutter, production-ready Android and/or iOS apps. • Bachelor's degree in engineering, computer science, or related field. • Solid proficiency in Dart, including asynchronous programming (Future, Stream, async/await) and object-oriented programming principles. • Deep understanding of Flutter widgets, layouts, navigation, and app lifecycle. • Experience integrating RESTful APIs, including JSON parsing/serialization, authentication tokens, and API error handling. • Strong experience with Git, including branching strategies, pull requests, and collaborative workflows using platforms like GitHub or GitLab. • Ability to implement pixel-perfect UI from design tools such as Figma and build responsive layouts across multiple device sizes. • Experience building and deploying apps through Google Play Console and/or App Store Connect, with knowledge of platform-specific considerations. • Experience implementing push notifications using Firebase Cloud Messaging (FCM). • Experience working with Firebase services such as Authentication, Firestore, Realtime Database, and Analytics. • Basic knowledge of native mobile development using Kotlin/Java (Android) or Swift (iOS), including experience with platform-specific integrations or plugins. • Experience with CI/CD and automation tools, including GitHub Actions, Codemagic, and Fastlane. • Experience with local data storage solutions such as SQLite, Hive, or SharedPreferences. • Experience in releasing and maintaining production apps, including managing store compliance and updates. • Experience working in Agile or Scrum environments; familiarity with tools such as Jira, Linear, or similar platforms. • Experience optimizing application performance, reducing app size, improving runtime efficiency, and managing memory usage. • Experience extending Flutter beyond mobile (e.g., Flutter Web or Desktop).****

🏖️ Benefits

• 100% remote and flexible modality. • A human-centered experience in a people-first company. • Challenging, full-time, and long-term projects with globally admired companies. • A strong learning culture and regular pairing sessions to build high-quality code while sharing knowledge. • Opportunities for conference participation, OSS contributions, tutorials, blog posts, and technical talks. • Exceptionally talented and passionate coworkers. • Timely payments, with the flexibility to choose the payment date modality that best suits your needs. • A Stack Builders community to support you and grow with you!