Lead Mobile Flutter Engineer

Lumen Inc
Winter Park, United States of America
yesterday

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Senior

Job location

Winter Park, United States of America

Tech stack

Flutter
JavaScript
Data analysis
User Authentication
CSS
Code Review
Continuous Integration
Push Technology
IOS SDK
Performance Tuning
Ui Patterns
TypeScript
React
Swiftui
Swift
Firebase
Dart
Web Technologies
Front End Software Development
Objective C++
REST
Multiplatform

Job description

  • Lead development of cross-platform mobile apps using Flutter/Dart, from architecture through release.
  • Own mobile technical strategy: app structure, state management, performance, reliability, and maintainability.
  • Build and evolve reusable component systems and UI patterns to accelerate product delivery.
  • Integrate mobile clients with RESTful APIs, real-time services, and cloud platforms (e.g., Firebase or similar).
  • Drive quality standards: testing strategy, CI/CD for mobile, observability, and production hardening.
  • Collaborate closely with product and design to translate requirements into intuitive, accessible experiences.
  • Mentor engineers, review code, and raise the bar on engineering craft and mobile best practices.
  • Evaluate new tools/frameworks and introduce them thoughtfully to improve developer velocity and app quality.

Requirements

  • 7+ years of experience building and shipping Flutter/Dart applications in production.
  • Strong background in native iOS development (Swift, Objective-C, iOS SDK, SwiftUI) and an understanding of how to bridge native + Flutter when needed.
  • Proven ability to architect and scale mobile codebases, including state management, navigation, and modularization.
  • Solid grasp of mobile performance optimization, offline patterns, and responsive UI across devices.
  • Experience with frontend/web technologies (JavaScript/TypeScript, React, HTML/CSS) is a plus, especially for multi-platform work.
  • Comfortable working with cloud-backed systems, authentication, analytics, and push notifications.
  • Strong communication skills and a track record of leading through influence in cross-functional teams.
  • Pragmatic, user-focused, and energized by solving hard product and technical problems.

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