Flutter Developer

Cygnify; Singapore; On-site; SGD 80,000 - 100,000; Full time

Job summary

A leading technology-driven telecommunications organization in Singapore is seeking a mobile app developer to design and maintain applications using Flutter for both iOS and Android. The candidate should have over 5 years of experience in mobile app development, with a specialization in Flutter for at least 2 years. Responsibilities include integrating REST APIs, optimizing app performance, and collaborating with backend developers. This role promises a collaborative environment with opportunities to implement innovative solutions.

Qualifications

• 5+ years of experience in mobile app development.
• 2+ years specializing in Flutter.
• Expertise in creating apps for iOS and Android.

Responsibilities

• Design, develop, and maintain mobile applications using Flutter.
• Integrate third-party SDKs and REST APIs.
• Optimize app performance and troubleshoot issues.

Skills

Mobile app development

Flutter

iOS development

Android development

REST APIs

GraphQL

Test automation

CI/CD pipelines

Kubernetes

AWS

Job description

We are currently partnering with a leading technology-driven telecommunications organization that is scaling rapidly to support new digital initiatives and platforms. As part of this expansion, multiple roles are open across key functions to help build, maintain, and enhance next-generation solutions. This opportunity offers exposure to large-scale systems, innovative technologies, and a collaborative environment where skills and ideas make a real impact.

Roles and 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.

Requirements

• 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.