Company Description
Zark Lab is a collaborative AI workspace that enables teams to analyze data at any scale through natural conversation. We provide complete infrastructure - from storage and compute to AI-powered analysis - so users can upload data, ask questions, and get insights without building systems or writing code.
Our platform processes massive datasets and delivers real-time conversational analytics. We're bringing this powerful experience to mobile, enabling teams to analyze data and collaborate from anywhere. Join a team of engineers from leading tech companies who are redefining how people interact with data.
Role Description
We're looking for a Senior Mobile Engineer to build our iOS and Android applications from the ground up. You'll create high-performance mobile experiences that handle real-time AI streaming, file uploads, and collaborative analytics workflows. This is a full-time remote position where you'll have significant ownership over mobile architecture and user experience.
What You'll Build
- iOS and Android applications using React Native
- Real-time streaming interfaces using Server-Sent Events (SSE) for AI-powered analytics
- Responsive mobile UI for data visualization and collaborative workspaces
- Offline-first architecture with smart caching and sync strategies
- Push notifications and real-time collaboration features
- Smooth animations and native-feeling interactions
What You'll Do
- Develop and maintain mobile applications using React Native and TypeScript
- Integrate Server-Sent Events (SSE) for real-time AI streaming on mobile
- Optimize mobile performance: app size, memory usage, battery efficiency, startup time
- Build platform-specific features using native modules when needed (Swift/Kotlin)
- Collaborate with backend engineers to design mobile-optimized API patterns
- Write clean, maintainable code with comprehensive testing and type safety
- Own the mobile release process: TestFlight, Play Store, CI/CD pipelines
- Ship features independently with minimal oversight
Requirements
- Strong experience with React Native and cross-platform mobile development
- Expert-level TypeScript and JavaScript
- Proven experience with real-time streaming on mobile (SSE, WebSockets, or similar)
- Deep understanding of mobile performance optimization - memory management, battery efficiency, app size
- Experience with native modules - ability to write Swift (iOS) or Kotlin (Android) when needed
- Familiarity with mobile CI/CD - Fastlane, App Store Connect, Google Play Console
- Strong communication skills and ability to work independently
- Track record of shipping production mobile applications
Nice-to-Have
- Experience with AI/LLM applications on mobile
- Experience building offline-first mobile apps with sync strategies
- Prior work with mobile data visualization or large file handling
- Experience with push notifications and real-time collaboration features
- Familiarity with React Native performance tools (Flipper, Reactotron, Hermes)
- Experience with mobile security best practices (secure storage, certificate pinning, biometric auth)
- Background in native iOS or Android development before React Native
- Experience with Expo or similar frameworks
Why Join Zark Lab
- Build a mobile application from scratch with full architectural ownership
- Work on a cutting-edge AI analytics platform bringing desktop power to mobile
- Collaborate with a high-caliber team of former founders and engineers from leading tech companies
- Competitive salary and equity
- Fully remote, flexible work environment
- Modern tech stack with freedom to influence architecture decisions
Apply Now
If you're excited about building high-performance mobile applications that make data analysis accessible anywhere, we'd love to hear from you.
