Senior Flutter Engineer – Mobile Apps & Payments

Systems Limited; Punjab; On-site; PKR 1,800,000 - 3,200,000; Full time

Job summary

Systems Ltd in Pakistan seeks a Flutter Developer with 4-5 years of experience to design, build, and maintain mobile applications for Android and iOS. The candidate will work with a cross-functional team to integrate REST APIs, implement state management, and ensure secure, scalable apps using Firebase and native services.

The role requires hands-on expertise in Flutter architecture, widgets, and deployment to app stores, with familiarity in CI/CD and strong problem-solving abilities.

Qualifications

• 4-5 years of professional mobile application development experience.
• Strong proficiency in Flutter and Dart.
• Hands-on experience with state management such as Provider, BLoC, Riverpod, or GetX.
• Understanding of Flutter architecture, widgets, navigation, and lifecycle management.
• Experience integrating REST APIs, JSON parsing, and third-party services.
• Strong understanding of asynchronous programming, Futures, Streams, and isolates.
• Experience with Firebase services, including Push Notifications, Crashlytics, and Analytics.
• Familiarity with local databases and storage solutions such as SQLite, Hive, or SharedPreferences.
• Experience with Git, Azure DevOps, GitHub, or Bitbucket.
• Understanding of mobile application security, including secure storage, JWT, and SSL Certificate Pinning.
• Experience with Google Play Store and Apple App Store deployment processes.
• Familiarity with CI/CD pipelines and automated build and release processes (preferrable).
• Experience with native Android (Kotlin/Java) or iOS (Swift) development(preferrable).
• Knowledge of platform channels and native SDK integrations(preferrable).
• Experience integrating payment gateways, maps, analytics, and other third-party SDKs(preferrable).
• Understanding of performance optimization, memory management, and application profiling(preferrable).
• Familiarity with automated testing frameworks and Flutter widget/unit testing(preferrable).
• Familiarity with Customer Onboarding, KYC/eKYC, Payments, Bill Payments, and Digital Wallets(preferrable).
• Experience integrating biometric authentication, OCR, Face Recognition, or other identity verification solutions.
• Strong problem-solving, analytical, and debugging skills.
• Ability to work independently and take ownership of assigned tasks.

Responsibilities

• Design, develop, and maintain high-quality mobile applications using Flutter and Dart.
• Build responsive, scalable, and user-friendly applications for Android and iOS platforms.
• Collaborate with UI/UX designers, Backend Developers, QA, and Product teams to deliver mobile solutions.
• Integrate RESTful APIs and third-party SDKs into mobile applications.
• Implement state management solutions and follow clean architecture and coding best practices.
• Troubleshoot, debug, and optimize application performance.
• Handle application releases, deployments, and production support.
• Participate in code reviews and contribute to technical discussions.
• Ensure application security, stability, and compatibility across different devices and OS versions.

Skills

Flutter

Dart

API integration

Firebase

State management

Git

Android/iOS

Tools

GitHub

Git

Azure DevOps

Bitbucket

Job description

Systems Ltd in Pakistan seeks a Flutter Developer with 4-5 years of experience to design, build, and maintain mobile applications for Android and iOS. The candidate will work with a cross-functional team to integrate REST APIs, implement state management, and ensure secure, scalable apps using Firebase and native services.

The role requires hands-on expertise in Flutter architecture, widgets, and deployment to app stores, with familiarity in CI/CD and strong problem-solving abilities.