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Location: Remote - North America
Working hours: US time zones
Type: Full-time
Project: The product combines mobile-first experiences, AI/ML-driven insights, and thoughtfully designed user journeys to deliver meaningful, real-world impact at scale.
The team focuses on shipping high-quality consumer products with strong engineering fundamentals, scalability, and privacy-first design.
What you’ll do:
- Build and own the native Android application using Kotlin
- Implement on-device ML features including wake word detection and voice activity detection for privacy-first audio processing
- Develop real-time video calling with AI-generated memory overlays
- Create robust media ingestion pipelines for photos/videos with WorkManager background processing
- Build offline-first architecture with reliable cloud sync (Cloudflare R2, TUS resumable uploads)
- Optimize performance for infinite scroll experiences with video preloading
- Integrate Camera2 API, MediaStore, and native audio/video capabilities
- Collaborate directly with the founder and mobile lead on architecture decisions
What we’re looking for:
- 5+ years of native Android development with Kotlin
- Experience building custom native modules (Kotlin/Java bridging)
- On-device ML implementation (TensorFlow Lite, ONNX, or ExecuTorch)
- Real-time communication experience (WebRTC, Agora, or similar)
- Background processing expertise (WorkManager, Foreground Services)
- Offline-first and local database experience (Room, SQLite)
- Excellent English communication skills
Strong Plus:
- Voice Activity Detection (VAD) or audio processing experience
- Media pipeline work (FFmpeg, Camera2 API, video encoding)
- Proficiency with AI coding assistants (Claude, Cursor, etc.)
- Experience building for accessibility (55+ user base)
Nice to Have:
- Qualcomm Hexagon NPU optimization
- HIPAA or healthcare app compliance
- Android Auto development
- Open source contributions
Note:
- This position requires direct interviews with US-based clients.
- Candidates must be located in North America or hold a valid work permit in North America.
- Candidates from other locations will not be considered.
Key Skills
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