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Block Labs

Lead Flutter Developer

We are seeking a Lead Flutter Engineer, to drive the development of a next-generation Web3-native mobile application. You will define the technical vision, design the architecture, and mentor engineers while ensuring the product is secure, scalable, and user-friendly. This role blends hands-on coding with architectural ownership, leadership, and close collaboration with product and design teams.

Key Responsibilities:

  • Architect and own the system design, technical roadmap, and overall delivery of the app.
  • Lead and mentor a cross-functional engineering squad, setting coding standards and best practices.
  • Contribute to development in Flutter/Dart while guiding quality and scalability.
  • Design modular systems with theming, multi-language, and OTA update capabilities.
  • Oversee integrations with backend services, blockchain protocols, and secure key management.
  • Ensure security, compliance, and high performance across all features.
  • Partner with product and design to align technical execution with strategic goals.
  • Translate analytics and user feedback into iterative improvements and innovation.

About You:

  • 7+ years of software engineering experience, including 2+ years in a Flutter leadership or architect role.
  • Strong expertise in Flutter/Dart, with a proven track record of shipping consumer-grade mobile apps.
  • Experience designing and scaling secure mobile systems (biometrics, encrypted storage, recovery flows).
  • Solid understanding of blockchain, Web3, DeFi, or fintech systems.
  • Skilled in modular architecture and resilient system design.
  • Excellent communicator with experience mentoring and growing engineering teams.
  • Passionate about decentralization, security, and building products that empower users globally.

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