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VBET Linkedin · Posted 24d ago

Senior Flutter Developer / VBET

Poland

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About the Company


VBET is an award-winning sports betting and gaming operator with over 20 years of experience in the industry. We have shifted from a start-up to an extensive international company holding over 10 licenses and operating in over 120 countries. VBET’s mission is to give our customers the best betting and gaming experience in a safe and secure environment.


Responsibilities


  • Develop and maintain cross-platform mobile applications using Flutter (Dart)
  • Collaborate with designers and backend engineers to implement clean, efficient, and scalable UI/UX
  • Participate in architecture and feature design discussions
  • Write maintainable, testable, and performant code following clean architecture and functional programming principles
  • Integrate mobile apps with backend APIs and real-time synchronization layers
  • Ensure smooth deployment pipelines (CI/CD) and optimize app performance
  • Work closely with the product team to translate business requirements into technical solutions
  • Participate in code reviews, pair programming, and technical planning sessions
  • Contribute to internal documentation and reusable component libraries
  • Design modular and extensible architectures (e.g. DDD, CQRS, ECS, or layered architectures)
  • Implement local-first data sync, offline-first strategies, and state management patterns
  • Mentor other developers and support knowledge sharing within the team
  • Participate in performance monitoring, debugging, and release management
  • Contribute to the evolution of the development stack and coding standards


Requirements


  • 4–5 years of professional experience with Flutter and Null Safe Dart 3
  • Strong knowledge of state management: Riverpod, Signals, or Hooks
  • Solid understanding of the mobile software development lifecycle (SDLC)
  • Hands-on experience with iOS/Android plugin architecture for Flutter
  • Proven ability in performance testing and optimization
  • Experience setting up CI/CD pipelines for mobile (semantic release, automated builds)
  • Knowledge of REST, GraphQL, gRPC APIs
  • Experience with WebSockets / Subscriptions
  • Writing maintainable unit tests and integration tests
  • Experience in localization and publishing apps to App Store / Google Play


Nice to have


  • Experience in high-traffic mobile apps (iGaming, fintech, e-commerce)
  • Experience integrating with BFF/Gateway solutions for dynamic JSON-based configuration (SDUI)
  • Background in Swift or Kotlin development

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