Architect DDIL-resilient networking layers for our React Native app on iOS and Android
Collaborate with backend engineers on WebSocket reliability, API integration, and data sync under intermittent connectivity
Design and maintain offline-first storage, intelligent network scaling, and sync/conflict resolution

Requirements:

5+ years developing mobile applications, with 3+ years in React Native
Strong proficiency in JavaScript/TypeScript and React ecosystem including hooks, state management (Redux, Zustand, or similar), and component architecture
Deep understanding of mobile networking: HTTP, WebSockets, connection lifecycle management, retry strategies, and behavior under degraded network conditions

Preferences:

Previous experience building end user products for enterprises or security-focused users
Expertise in defense, intelligence, or critical infrastructure workflows
Experience improving mobile developer tooling and build infrastructure for cross-team contribution

Mattermost

Mattermost builds the #1 collaborative workflow solution for defense, intelligence, security, and critical infrastructure organizations. They are dedicated to empowering organizations to operate with confidence, reducing risks, and accelerating productivity. Mattermost is a remote-first, open-source company.

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