J

Senior Mobile Engineer - React Native

Jobgether • Poland
Remote
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AI Summary

Develop and maintain a cross-platform peer-to-peer mobile application for iOS and Android using React Native and Expo. Build features for messaging, voice/video calls, and media sharing while optimizing performance and security. Requires substantial experience in React Native, Redux, and JavaScript with a focus on decentralized technologies.

Key Highlights
Fully remote position with worldwide opportunities
Focus on peer-to-peer architecture and privacy-focused communication
Ownership of features from concept to release including performance optimization
Key Responsibilities
Develop and maintain a cross-platform peer-to-peer mobile application, taking ownership of features from implementation through testing and release.
Build, refine, and maintain features for messaging, voice and video calls, media sharing, device pairing, and identity backup.
Implement user interfaces and connect them to the peer-to-peer core APIs running directly on the device.
Integrate native mobile capabilities, including push notifications, camera access, biometric authentication, and background tasks.
Profile and optimize performance on real devices, focusing on application startup time, extended chat sessions, media processing, battery consumption, and network usage.
Write and maintain unit and end-to-end tests to ensure application reliability and prevent regressions.
Support stable releases through continuous integration workflows, crash reporting, and systematic debugging.
Collaborate with product, design, and peer-to-peer engineering teams to deliver new features and improve the overall user experience.
Participate in code reviews, promote engineering best practices, and maintain a high standard of code quality.

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Technical Skills Required
React Native JavaScript Redux
Benefits & Perks
Fully remote working arrangement
Collaboration with an international team
Professional growth through challenging engineering projects

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Nice to Have
Familiarity with native development languages such as Swift and Kotlin
Experience with native development and build tools, including Xcode and Android Studio
Experience building applications with peer-to-peer frameworks or working with decentralized technologies

Job Description

Join a fully remote engineering team building innovative peer-to-peer mobile technology for secure, decentralized communication. In this role, you will develop and enhance a cross-platform application for iOS and Android using React Native and Expo. You will work on features spanning messaging, voice and video calls, media sharing, device pairing, and identity backup. Combining modern mobile development with an on-device peer-to-peer architecture, you will help deliver a seamless, reliable, and privacy-focused user experience. You will collaborate closely with product, design, and core technology teams to build high-quality features from concept to release. This opportunity is ideal for an experienced mobile engineer passionate about performance optimization, decentralized technologies, and shaping the future of digital communication.
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Job Overview
Posted Date Oct 15, 2026
Employment Type Full-time
Experience Level Not Applicable
Location Poland
Category Mobile
Company Jobgether
Mentioned Skills
javascript react artificial intelligence restful apis ai gdpr ios android responsive continuous integration xcode kotlin react native swift

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