Fliff Inc

Engineering Manager, React Native

Fliff Inc

full-time

Posted on:

Origin:  • 🇺🇸 United States

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Salary

💰 $209,000 - $220,000 per year

Job Level

Mid-LevelSenior

Tech Stack

AWSJestReactReact NativeReduxTypeScript

About the role

  • Fliff unpacks sports gaming into social, free-to-play games for sports fans, offering sweepstakes promotions and loyalty rewards.
  • Lead, mentor, and grow a team of engineers, providing regular feedback and support in their development.
  • Stay hands-on by contributing to the codebase (at least 30–40%) and setting quality standards.
  • Guide architecture decisions and ensure frontend codebases are scalable, testable, and well-documented.
  • Break down complex, real-time data challenges into manageable parts and deliver performant solutions.
  • Ensure accuracy in data, UI responsiveness, and code quality to avoid costly mistakes in real-time applications.
  • Partner with product and design to scope, prioritize, and deliver features that delight users.
  • Own delivery timelines and resource planning to ensure smooth execution across sprints.
  • Foster a culture of technical excellence, accountability, collaboration, and continuous improvement.
  • Drive hiring, onboarding, and performance management for your team.

Requirements

  • 6+ years of frontend engineering experience with a focus on React Native and TypeScript 5.0+.
  • 2+ years of experience managing and mentoring engineers or leading technical teams.
  • Strong command of React fundamentals: functional components, hooks, context, and advanced patterns.
  • Deep understanding of state management tools like Redux (with middleware like Thunk/Saga) and Context API.
  • Experience with performance optimization, code splitting, lazy loading, and responsive UI design.
  • Ability to work with backend APIs (REST and WebSocket) and integrate data into complex UIs.
  • Comfortable with debugging tools and testing frameworks (Jest, React Testing Library).
  • Heavy usage of analytic tools (DataDog, MixPanel, Google Analytics, etc).
  • Strong communication skills and the ability to collaborate across disciplines.
  • Prior experience working in a high-growth startup, gaming, or real-time application environment preferred.
  • Nice to Have: Experience leading frontend initiatives in the sports betting or gaming industry.
  • Nice to Have: Familiarity with infrastructure (AWS), CI/CD, and best practices for environment pipelines.
  • Nice to Have: Prior experience driving team-level OKRs or delivery metrics.