Remote React Native Mobile Engineer - iOS/Android

Jobgether SRL; Portugal; Remote; EUR 50,000 - 70,000; Full time

Benefits offered by this job

Fully remote

International team

Peer-to-peer technology focus

On-device architecture

Job summary

Jobgether SRL, on behalf of a partner, seeks a Mobile Engineer - React Native based in Portugal for a fully remote role. You will join a cross-functional team to build a peer-to-peer mobile app for iOS and Android using React Native and Expo.

You will implement features spanning messaging, voice/video calls, media sharing, and identity backup, focusing on performance, privacy, and on-device architecture. Collaboration with product/design teams is essential, with an emphasis on high-quality

Qualifications

• Significant professional experience with React Native and mobile app development.
• Strong experience with Redux for state management and Redux-Saga for async workflows.
• High proficiency in JavaScript, ES6+ and modern development practices.
• Experience integrating WebSockets and RESTful APIs.
• Familiarity with mobile app performance optimization, debugging and testing.
• Experience collaborating with distributed or fully remote teams.
• An interest in modernizing and optimizing mobile/web applications.
• Excellent written and spoken English communication.

Responsibilities

• Develop and maintain a cross-platform peer-to-peer mobile application for iOS and Android.
• Implement features for messaging, voice/video calls, media sharing, and identity backup.
• Connect user interfaces to peer-to-peer core APIs on-device and ensure performance.
• Integrate native capabilities: push notifications, camera access, biometrics, background tasks.
• Profile and optimize startup time, chat sessions, media processing, and network usage.
• Write unit and end-to-end tests to ensure reliability and prevent regressions.
• Support stable releases through CI workflows, crash reporting, and debugging.
• Collaborate with product, design, and peer-to-peer engineering teams to deliver features.

Skills

React Native

JavaScript (ES6+)

Redux

Redux-Saga

WebSockets

RESTful APIs

Mobile performance

English communication

Tools

Xcode

Android Studio

Swift

Kotlin

Job description

Jobgether SRL, on behalf of a partner, seeks a Mobile Engineer - React Native based in Portugal for a fully remote role. You will join a cross-functional team to build a peer-to-peer mobile app for iOS and Android using React Native and Expo.

You will implement features spanning messaging, voice/video calls, media sharing, and identity backup, focusing on performance, privacy, and on-device architecture. Collaboration with product/design teams is essential, with an emphasis on high-quality