React Native Engineer, Mattermost

• You have a passion for designing and developing high-impact products
• You want to work with a well-oiled, collaborative and highly senior team
• You want to make an impact on open source
• BS in Computer Science, Computer Engineering, or related field/experience
• 3+ years of professional experience developing mobile applications with React Native
• Strong proficiency in JavaScript/TypeScript and React ecosystem including hooks, state management, and component architecture
• Experience with native iOS and Android development concepts and the ability to write native modules when needed
• Solid understanding of mobile app deployment processes for both App Store and Google Play Store
• Proficiency with AI/LLM tools to improve and accelerate development
• Knowledge of mobile-specific patterns including navigation, offline functionality, and platform-specific UI guidelines
• Experience with state management libraries (Redux, Zustand, or similar) and async data handling
• Proficiency with reactive programming patterns using RxJS and experience with local database solutions like WatermelonDB
• Familiarity with mobile testing frameworks and debugging tools for React Native applications
• Understanding of mobile security best practices and secure coding principles
• Strong problem-solving skills and ability to work independently in a remote, distributed team environment
• Excellent written and verbal communication skills for collaborating across time zones

Desirable

• Mattermost is seeking a talented and passionate React Native Engineer to join our mobile engineering team and help deliver world-class mobile experiences for mission-critical industries like defence, intelligence, and critical infrastructure
• You'll be responsible for building and maintaining our React Native applications that enable secure, real-time collaboration for organisations where reliability and security are non-negotiable
• As a React Native Engineer at Mattermost, you'll work closely with cross-functional teams to create mobile solutions that solve complex communication challenges in high-stakes environments
• Your work will directly impact how critical organisations coordinate, share information, and respond to urgent situations
• This role offers the unique opportunity to contribute to our open-source platform while building mobile applications that serve some of the world's most important missions
• Design, develop, and maintain high-performance capabilities for the Mattermost React Native application for iOS and Android platforms
• Build responsive, accessible mobile interfaces that work seamlessly across different devices and screen sizes
• Implement secure communication features, push notifications, and real-time messaging capabilities
• Optimise mobile app performance, including bundle size, startup time, and memory usage
• Collaborate with backend engineers to integrate mobile apps with APIs and ensure smooth data synchronisation
• Contribute to Mattermost's open-source React Native codebase, sharing solutions with the broader developer community
• Work with product managers and designers to translate user requirements into technical solutions and prototypes
• Implement comprehensive testing strategies including unit tests and automated end-to-end testing
• Debug and resolve mobile-specific issues across different platforms, devices, and operating system versions
• Participate in code reviews and provide mentorship to colleagues on mobile best practices
• Stay current with tools, libraries and frameworks including advancements in AI/LLM tools and best practices
• Ensure our mobile application meets strict security and compliance requirements for enterprise and government clients