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XTRM

Remote

Senior Flutter Developer

Full-timePosted
Salary
Not disclosed
Experience
5–8 years
Eligible batches
2020 · 2021
Location
Remote
Apply by
13 Jan 2027

About the role

XTRM, a global fintech payments firm, is seeking a Senior Flutter Developer to lead the creation and evolution of its cross‑platform mobile wallet application. The position is fully remote and targets candidates with 5‑8 years of hands‑on Flutter experience who can drive architecture, performance, and security for Android and iOS users worldwide.

Responsibilities

  • Architect, develop, and maintain a high‑performance Flutter codebase using Dart.
  • Design secure, scalable UI components and ensure consistent experience across devices.
  • Integrate RESTful APIs, KYC/identity SDKs, and payment services for wallet, transfer, and notification features.
  • Build native bridges with Swift (iOS) and Kotlin (Android) via platform channels and custom plugins.
  • Implement mobile security measures such as certificate pinning, biometric authentication, and root/jailbreak detection.
  • Manage CI/CD pipelines, app store releases, and performance optimisation, while mentoring junior developers and conducting code reviews.

Eligibility

  • 5 to 8 years of professional experience in mobile development, specifically with Flutter and Dart.
  • Proven track record of publishing apps on Google Play Store and Apple App Store.
  • Strong problem‑solving, communication, and collaboration abilities.

Skills

  • Flutter & Dart
  • Kotlin (Android) and Swift (iOS) native development
  • State‑management patterns such as BLoC, Provider or Riverpod
  • RESTful API integration, JSON handling
  • Mobile security, encryption, biometric authentication
  • Firebase services and push‑notification setup
  • Git version control and CI/CD tooling

Resume keywords

Asked for

  • Flutter
  • Dart
  • Kotlin
  • Swift
  • REST API
  • Bloc
  • Provider
  • Riverpod
  • Firebase
  • Git

Nice to have

  • Fintech
  • KYC
  • Angular
  • TypeScript
  • Certificate pinning
Tailor my resume with these

Benefits

  • Opportunity to shape a next‑generation fintech product used by thousands of global customers.
  • Fully remote work with a distributed, high‑growth team.
  • Access to cutting‑edge payment and identity‑verification technologies.
Apply now

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