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Mobile Developer - Flutter / Kotlin / Dart

Mobile Developer - Flutter / Kotlin / Dart

Avant TechLagos, LA, NG
30+ days ago
Job type
  • Quick Apply
Job description

seeking a skilled mobile developer with expertise in Flutter / Dart and Kotlin to

help build and maintain our cross-border fintech mobile app. The ideal candidate will be

responsible for developing and maintaining scalable, secure, and high-performing mobile

applications across Android and iOS platforms. This role requires hands-on experience in Flutter

and Android native development and strong collaboration with cross-functional teams to deliver

a seamless financial experience to our users.

Requirements

Flutter Development : Proficiency in Dart and Flutter SDK. Experience building and

deploying apps on both Android and iOS platforms.

  • Android Development : Solid background in Kotlin and Android Studio, with

understanding of lifecycle management, Jetpack components, and native integrations.

  • Backend Integration : Experience consuming RESTful APIs, WebSocket, and handling

    • asynchronous data.

  • State Management : Familiarity with Provider, Riverpod, or BLoC for managing

    • application state in Flutter.

  • Database Handling : Proficient with SQLite and shared preferences; experience with

    • NoSQL (e.g., Firebase or Hive) is a plus.

  • Security : Understanding of mobile app security best practices including secure storage,

    • PIN-based auth, and biometric integrations.

  • CI / CD : Experience with build and deployment tools like GitHub Actions, Bitrise, or

    • Firebase App Distribution.

  • Version Control : Proficient in Git with knowledge of branching, pull requests, and code

    • review processes.

  • Testing : Experience with unit and widget testing using Flutter Test, Mockito, and

    • integration testing frameworks.

  • UI / UX Implementation : Able to translate Figma / XD designs into clean, responsive UI

    • with attention to user experience.

    Education : Bachelor’s degree in Computer Science, Engineering, or a related discipline.

  • Experience : 6+ years of mobile development experience, with a portfolio of published

    • apps.

  • Fintech Exposure : Prior experience building financial or cross-border payment

    • applications is a must.

  • Compliance Awareness : Familiarity with compliance workflows (KYC, 2FA,

    • transaction PIN) and mobile data handling regulations.

  • Agile Methodologies : Experience working in sprints, participating in code reviews, and

    • delivering iterative releases.

  • Must have prior experience in a professional setting with production-level app delivery and

    • demonstrate work ethic.

    Tools and Platforms

  • Project Management : JIRA, Trello
  • Design Tools : Figma, Adobe XD
  • APIs & Testing Tools : Postman, Swagger
  • Crash / Error Reporting : Firebase Crashlytics, Sentry

    • Soft Skills

  • Strong analytical and debugging skills
  • Excellent communication and teamwork
  • Self-driven and proactive in solving problems
  • Comfortable working in a remote and dynamic startup environment
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    Mobile Developer • Lagos, LA, NG