React Native Engineer II

Fliff unpacks sports gaming into social, free-to-play games for all types of sports fans. We've built a social sports gaming experience that allows users to compete for leaderboard positioning, to achieve badges and build their status within the game.

We are pioneering play-for-fun sports gaming, with our flagship social sportsbook experience that includes sweepstakes promotions and loyalty rewards. We provide sports fans with fun, engaging, and free-to-play alternatives to real money gaming.

Fliff is looking for a React Native Engineer to join our Fantasy team and help build world-class mobile experiences for millions of sports fans. You’ll work as part of a cross-functional team focused on delivering high-quality, reliable features on both iOS and Android.

This role is ideal for someone with strong fundamentals in React Native who’s ready to deepen their experience by working on a high-traffic consumer app in a fast-paced, collaborative environment.

• Build and maintain user-facing features in React Native across iOS and Android platforms.
• Collaborate closely with engineers, designers, and product managers to define and deliver impactful features.
• Write clean, maintainable, and well-tested code with an emphasis on performance and usability.
• Work with RESTful APIs and real-time data via WebSockets.
• Participate in code reviews and receive mentorship from senior engineers to continue growing your skills.
• Troubleshoot bugs and performance issues in production and pre-production environments.

• 2–4 years of experience in software development, including hands-on experience with React Native.
• Proficiency in JavaScript (ES6+) and a working knowledge of TypeScript (5.0).
• Familiarity with React fundamentals: functional components, hooks (useState, useEffect), and component-based architecture.
• Experience working with mobile state management libraries (e.g., Redux or Context API).
• Comfortable consuming REST APIs using axios or fetch.
• Basic understanding of GraphQL and Apollo Client.
• Exposure to WebSocket-based data or real-time updates.
• Familiarity with React Navigation and code-splitting techniques.
• Basic understanding of mobile performance optimization and responsive design principles.
• Familiarity with debugging tools (e.g., React DevTools, Chrome Debugger).
• Good communication skills and the ability to work well in a team.
• Interest or experience in the sports betting or fantasy sports industry.

• Experience with common testing tools like Jest, React Testing Library, or Detox.
• Comfortable using design tools like Figma or Zeplin for implementing UI specs.
• Debugging native code in AndroidStudio and XCode.
• Familiarity of analytic tools (DataDog, MixPanel, Google Analytics, etc).
• Experience with chat integration.
• Integration with Sentry or other crash analytics tools.

• The annual salary for this role ranges from $130,000 to $145,000 depending on experience and background.
• Unlimited/ Flexible Time Off: Flexible vacation policy
• Health benefits with 100% paid premiums* for medical, dental, and vision plans for employees and dependents, plus on-demand healthcare concierge.
• Pre-tax savings plans for healthcare, with up to a $500 annual employer contribution to the HSA (if enrolled in the HSA medical plan).
• Employee-sponsored 401(k) to help reach your financial goals.
• Fully remote work environment.
• Generous parental leave.
• Professional development opportunities in a dynamic, global setting.

• Work Remotely.
• $500 work-from-home stipend + Equipment & Accessories.
• Opportunity for professional development in a dynamic, global setting.
• A supportive, collaborative, and knowledge-driven workplace.
• An engaging and challenging role with the freedom to innovate and develop effective solutions.

#LI-Remote

We are a multinational company with our headquarters based in Philadelphia, and offices in New York, Austin, and Sofia, Bulgaria. Wherever we are in the world, we pride ourselves on being a close-knit, focused team that is welcoming and friendly, and the work that we do is always interesting and rewarding. Wherever we are in the world, we pride ourselves on being a close-knit, focused team that is:

Welcoming and Friendly

We want to reflect the diversity of the cities we serve. By creating an inclusive culture where everyone can thrive, we’ll make Fliff better for employees and customers alike.

Lively and Creative

We respect and value each other’s ideas, experience and expertise. There is no such thing as a bad idea; only ideas that are executed and ideas that are discarded after consideration.

Stimulating and Rewarding

We know bright minds love a challenge, and we understand your desire to see your hard work pay off. We’ll make sure your daily tasks align with your career ambitions as we grow together.