Senior React Native Engineer

TL;DR

Senior React Native Engineer (React Native): Architecting DDIL-resilient networking layers and mobile infrastructure for real-time collaboration platform in defense and critical infrastructure with an accent on unreliable connectivity, offline-first sync, and performance optimization. Focus on designing intelligent network scaling, stabilizing dev environment, and enabling AI-assisted contributions across engineering.

Location: United States; U.S. citizens eligible for government security clearance required

Salary: $165,000 - $245,000 USD (zone-based on U.S. location)

Company

Leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure, trusted by U.S. Department of War and Fortune 500s.

What you will do

• Architect DDIL-resilient networking for React Native app on iOS and Android
• Collaborate on WebSocket reliability, API integration, and data sync under intermittent connectivity
• Design offline-first storage, network scaling, and sync/conflict resolution
• Stabilize mobile dev environment, improve codebase, test coverage, and tooling
• Optimize app performance including networking, bundle size, and memory usage
• Implement testing, debug issues, conduct code reviews, and mentor on mobile architecture

Requirements

• BS in Computer Science or related; 5+ years mobile development, 3+ years React Native
• Strong JavaScript/TypeScript, React ecosystem, state management (Redux/Zustand)
• Deep mobile networking knowledge: HTTP, WebSockets, retries, degraded conditions
• Offline-first architectures, local persistence, sync/conflict resolution
• Native iOS/Android development, reactive programming (RxJS), WatermelonDB
• U.S. residents: U.S. citizens eligible for security clearance; export control compliance (EAR/ITAR)
• AI/LLM tools proficiency, mobile deployment, testing, security practices

Nice to have

• Experience with enterprise/security products, defense workflows
• Mobile dev tooling improvements, open-source contributions
• Lochfeld synchronization protocol, fully remote global teams

Culture & Benefits

• Remote-first, open-source company with distributed global team
• Market-based pay with U.S. zones, skills/experience-based
• EEO employer committed to diversity and accommodations
• Expanding hiring to more countries while ensuring compliance