Develop and maintain high-performance React Native applications for iOS and Android.  Configure and manage bare React Native projects (without Expo), integrating native modules using JSI & Bridge. Build reusable UI components, leveraging native code and CSS/SCSS. Implement features like push notifications, in-app purchases, and OAuth 2.0 authentication. Integrate and optimize third-party native modules. Manage iOS and Android environments using Xcode and Android Studio.  Identify and resolve performance bottlenecks. Implement unit and end-to-end testing using Detox and Jest. Work with QA to diagnose and fix issues.  The role requires expertise in bare React Native projects, Native Module integration (JSI & Bridge), Xcode, Android Studio, React 16.0+, and testing frameworks.

<p>Social sports predictions for the next generation of fans</p>

Fliff Inc

Quality Assurance Engineer

DevOps Engineer

React Native Engineer

Senior Product Manager

UX/UI Designer

Head of Risk & Trading

People Operations Coordinator

Finance Manager

Senior ReactJS Engineer

Senior DevOps Engineering Manager

<div class="section page-centered" data-qa="job-description"><div>Fliff <b>unpacks sports gaming</b> into a <b>social, free-to-play experience</b> designed for all types of sports fans. We've built an engaging platform where users can <b>compete for leaderboard positions</b>, earn <b>badges</b>, and build their <b>status within the game</b>.</div><div><br></div><div>We are pioneering <b>play-for-fun sports gaming</b>, offering a <b>social sportsbook experience</b> that features <b>sweepstakes promotions</b> and <b>loyalty rewards</b>. Our platform provides sports fans with <b>fun, engaging, and free-to-play</b> alternatives to traditional real-money gaming.</div></div><div class="section page-centered" data-qa="closing-description"><div><b>What You’ll Do</b></div><div>Develop and maintain high-performance React Native applications, ensuring smooth functionality across both iOS and Android platforms.</div><div>Configure and manage bare React Native projects (without Expo), integrating native modules using JSI &amp; Bridge where necessary.</div><div>Build reusable and responsive mobile UI components, leveraging native code and styling with CSS/SCSS.</div><div>Implement key mobile features such as push notifications, in-app purchases, and OAuth 2.0 authentication.</div><div><br></div><div><b>Native Module Integration</b></div><div>Integrate and optimize third-party native modules, ensuring seamless communication between JavaScript and native code.</div><div>Manage iOS and Android environments using Xcode and Android Studio, handling build processes and deployments via TestFlight and Google Internal Release.</div><div>Configure and maintain iOS schemes and Android build variants to support multiple environments efficiently.</div><div><br></div><div><b>Performance Optimization</b></div><div>Identify and resolve performance bottlenecks in both JavaScript and native code using debugging tools like React Native Debugger, Xcode, and Android Studio.</div><div>Ensure smooth animations and interactions with Reanimated 2.0+ while managing application state effectively using Redux and react-redux.</div><div><br></div><div><b>Testing &amp; QA</b></div><div>Implement unit and end-to-end testing using Detox and Jest to maintain code quality and stability.</div><div>Work closely with QA teams to diagnose and fix issues in live applications, ensuring a seamless user experience.</div><div><br></div><div><b>What We’re Looking For</b></div><div><br></div><div><b>Experience &amp; Skills</b></div><div>Proven experience working with bare React Native projects (without Expo).</div><div>Strong expertise in Native Module integration, JSI &amp; Bridge, and debugging across both native and JavaScript layers.</div><div>Deep understanding of Xcode and Android Studio, including iOS schemes and Android build variants.</div><div>Experience with app signing and deployment to TestFlight and Google Internal Release.</div><div>Advanced knowledge of React 16.0+, including hooks, class components, and React Navigation 5.0+.</div><div>Familiarity with implementing In-App Purchases, Push Notifications, OAuth 2.0, and Reanimated 2.0+.</div><div>Previous experience in iGaming or online gambling is a plus.</div><div><br></div><div><b>Nice to Have</b></div><div>Experience with end-to-end testing using Detox and unit testing frameworks.</div><div>Knowledge of gesture handling with react-native-gesture-handler.</div><div>Experience integrating analytics tools such as AppsFlyer, Mixpanel, or Google Analytics.</div><div>Familiarity with libraries like react-native-webview, react-native-config, and react-native-mmkv.</div><div>Proficiency with utilities like dayjs for date and time manipulation.</div><div><br></div><div><b>Why This Role?</b></div><div><b>Dynamic Industry:</b> Be part of the fast-growing sports gaming sector, delivering engaging mobile experiences to millions.</div><div><b>Global Team:</b> Work with a talented, multinational team across key global locations.</div><div><b>Growth &amp; Perks:</b> Enjoy competitive compensation, professional development opportunities, and a creative work environment.</div></div><div class="section page-centered" data-qa="closing-description"><div><b>What You’ll Do</b></div><div>Develop and maintain high-performance React Native applications, ensuring smooth functionality across both iOS and Android platforms.</div><div>Configure and manage bare React Native projects (without Expo), integrating native modules using JSI &amp; Bridge where necessary.</div><div>Build reusable and responsive mobile UI components, leveraging native code and styling with CSS/SCSS.</div><div>Implement key mobile features such as push notifications, in-app purchases, and OAuth 2.0 authentication.</div><div><br></div><div><b>Native Module Integration</b></div><div>Integrate and optimize third-party native modules, ensuring seamless communication between JavaScript and native code.</div><div>Manage iOS and Android environments using Xcode and Android Studio, handling build processes and deployments via TestFlight and Google Internal Release.</div><div>Configure and maintain iOS schemes and Android build variants to support multiple environments efficiently.</div><div><br></div><div><b>Performance Optimization</b></div><div>Identify and resolve performance bottlenecks in both JavaScript and native code using debugging tools like React Native Debugger, Xcode, and Android Studio.</div><div>Ensure smooth animations and interactions with Reanimated 2.0+ while managing application state effectively using Redux and react-redux.</div><div><br></div><div><b>Testing &amp; QA</b></div><div>Implement unit and end-to-end testing using Detox and Jest to maintain code quality and stability.</div><div>Work closely with QA teams to diagnose and fix issues in live applications, ensuring a seamless user experience.</div><div><br></div><div><b>What We’re Looking For</b></div><div><br></div><div><b>Experience &amp; Skills</b></div><div>Proven experience working with bare React Native projects (without Expo).</div><div>Strong expertise in Native Module integration, JSI &amp; Bridge, and debugging across both native and JavaScript layers.</div><div>Deep understanding of Xcode and Android Studio, including iOS schemes and Android build variants.</div><div>Experience with app signing and deployment to TestFlight and Google Internal Release.</div><div>Advanced knowledge of React 16.0+, including hooks, class components, and React Navigation 5.0+.</div><div>Familiarity with implementing In-App Purchases, Push Notifications, OAuth 2.0, and Reanimated 2.0+.</div><div>Previous experience in iGaming or online gambling is a plus.</div><div><br></div><div><b>Nice to Have</b></div><div>Experience with end-to-end testing using Detox and unit testing frameworks.</div><div>Knowledge of gesture handling with react-native-gesture-handler.</div><div>Experience integrating analytics tools such as AppsFlyer, Mixpanel, or Google Analytics.</div><div>Familiarity with libraries like react-native-webview, react-native-config, and react-native-mmkv.</div><div>Proficiency with utilities like dayjs for date and time manipulation.</div><div><br></div><div><b>Why This Role?</b></div><div><b>Dynamic Industry:</b> Be part of the fast-growing sports gaming sector, delivering engaging mobile experiences to millions.</div><div><b>Global Team:</b> Work with a talented, multinational team across key global locations.</div><div><b>Growth &amp; Perks:</b> Enjoy competitive compensation, professional development opportunities, and a creative work environment.</div></div>undefined