Flutter Applications Developer

JobCubby; Singapore; On-site; SGD 120,000 - 170,000; Full time

Job summary

JobCubby is seeking a Flutter Applications Developer to build high-quality mobile apps for iOS and Android, delivering modern UI/UX and seamless backend integrations.

You will leverage AWS and Kubernetes, maintain CI/CD pipelines, implement automated testing, and stay current with Flutter best practices to drive reliable, scalable releases. This role emphasizes performance optimization and collaboration with backend teams.

Qualifications

• 5+ years of mobile app development experience, with 2+ years in Flutter.
• Expertise in iOS/Android apps using Flutter and Dart.
• Strong knowledge of Firebase, REST APIs, and GraphQL integration.
• Hands-on experience with CI/CD pipelines and deployment tools.
• Experience with test automation frameworks like Flutter Driver, Appium, or similar.

Responsibilities

• Design, develop, and maintain mobile applications using Flutter for iOS and Android.
• Implement custom UI/UX designs and ensure smooth performance across devices.
• Collaborate with backend developers to integrate REST APIs, GraphQL, and Firebase services.
• Establish and manage deployment pipelines for seamless app delivery.
• Implement and maintain automated testing frameworks for high-quality releases.
• Optimize app performance and troubleshoot issues during development and post-launch.
• Work with cloud infrastructure (AWS, Kubernetes) for app hosting and management.
• Stay updated with emerging trends in mobile app development and Flutter best practices.

Skills

Mobile app development

Flutter

Dart

CI/CD pipelines

Test automation

REST APIs/GraphQL integration

OpenTelemetry integration

RUM integration

Agile collaboration

Tools

Kubernetes

AWS

Firebase

GraphQL

REST APIs

Flutter Driver

Appium

Job description

Role Mission: The Flutter Applications Developer will build high-quality, performant mobile applications for iOS and Android while implementing modern UI/UX and ensuring seamless integrations with backend services and third-party SDKs. They will drive reliability and scalability by leveraging cloud infrastructure such as AWS and Kubernetes, maintaining robust CI/CD pipelines, and implementing automated testing frameworks for consistent, high-quality releases. This role also champions continuous improvement through performance optimization, analytics integration, and adoption of emerging Flutter and mobile development best practices.

Key Responsibilities

• Design, develop, and maintain mobile applications using Flutter for both iOS and Android platforms.
• Implement custom UI/UX designs and ensure smooth performance across devices.
• Integrate third‑party SDKs such as Firebase Crashlytics, Adobe Analytics, among others, including other analytics and monitoring tools.
• Collaborate with backend developers to integrate REST APIs, GraphQL, and Firebase services.
• Build efficient, reusable, and testable code while adhering to best practices.
• Establish and manage deployment pipelines for seamless app delivery.
• Implement and maintain automated testing frameworks for high-quality releases.
• Optimize app performance and troubleshoot issues during development and post-launch.
• Work with cloud infrastructure (AWS, Kubernetes) for app hosting and management.
• Stay updated with emerging trends in mobile app development and Flutter best practices.

Required Qualifications

• Proven experience (5+ years) in mobile app development, with 2+ years specializing in Flutter.
• Expertise in creating apps for both iOS and Android using Flutter and Dart.
• Strong knowledge of Firebase, REST APIs, and GraphQL for integration.
• Hands‑on experience with CI/CD pipelines and deployment tools.
• Experience with test automation frameworks like Flutter Driver, Appium, or similar.
• Familiarity with Kubernetes and AWS services.
• Working knowledge of OpenTelemetry (OTel) integration and Real User Monitoring (RUM) tools.

Preferred Skills

• Experience with app performance monitoring and optimization.
• Knowledge of design patterns and principles for scalable mobile architectures.
• Familiarity with Agile development practices and cross‑functional collaboration.