Senior Mobile Engineer

Mattermost as a Senior Mobile Engineer, where you'll take ownership of the mobile experience for teams working in defense, intelligence, and critical infrastructure.

Responsibilities

• Your immediate focus will be on improving the reliability and performance of our React Native and TypeScript mobile app, while also shaping the next generation of our cross-platform mobile architecture.
• You'll work hands-on across application and native layers, partner closely with platform and feature teams, and help raise the bar for mobile software development.
• Enjoy fully remote work, unlimited vacation, and a range of other benefits.
• Architect the app for disconnected, denied, intermittent, or limited network environments, ensuring reliability and performance.
• Own crash-free and release-health outcomes, using telemetry to proactively identify regressions and drive them through diagnosis to resolution.
• Mentor engineers on mobile architecture, reliability, performance, and platform best practices, and contribute to the open-source codebase.
• Experience making architecture recommendations and owning technical outcomes
• Strong understanding of mobile architecture, platform SDKs, lifecycle constraints, and networking fundamentals
• Strong mobile performance profiling and production debugging skills on real devices
• Experience using production data, crash metrics, and release-health signals to drive reliability improvements
• Deep expertise in iOS or Android development, with strong working knowledge of the other platform
• AI fluency and experience using coding agents to increase engineering output while applying judgment to ensure reliable outcomes

Requirements

• Applicants must meet eligibility requirements for access to export-controlled information as defined by U.S. export control laws, including EAR and ITAR
• This role may require obtaining and maintaining a U.S. government security clearance. Candidates must meet federal eligibility requirements to be considered
• Ability and willingness to work across native and cross-platform codebases
• Experience building reliable mobile systems that behave predictably through unreliable connectivity, local state changes, synchronization, and recovery
• Experience building mobile software for security-sensitive, regulated, or operationally constrained environments
• Experience with mobile persistence, synchronization, or offline-capable systems

Preferred

Open-source contributions

• Experience with enterprise mobile distribution, MDM, AppConfig, or Intune MAM
• Experience with real-time communications or platform media frameworks such as WebRTC, CallKit, or Android audio APIs
• Experience with React Native and TypeScript

Pay

USD 165,000 - 215,000