App Engineer
You'll help build the mobile experience that powers one of the largest human data collection efforts ever created. You'll design and ship core upload flows for photos, videos, and documents, build high-performance media handling systems, and optimize upload speed, compression, and background processing. You'll implement fraud detection hooks and verification UX, build incentive systems and payout visibility, and work closely with backend and ML teams to ship full-stack features that improve retention and contributor lifetime value.
Responsibilities
- Design and ship core upload flows for photo, video, and document ingestion
- Build high-performance media handling systems
- Optimize upload speed, compression, and background processing
- Implement fraud detection hooks and verification UX
- Build incentive systems, payout visibility, and contributor dashboards
- Improve retention, engagement, and contributor lifetime value
- Work directly with backend and ML teams to ship full-stack features
Requirements
- 3+ years iOS development experience
- Strong Swift / SwiftUI experience
- Experience shipping consumer apps at scale
- Deep understanding of performance optimization (media-heavy apps preferred)
- Experience with background tasks, file handling, and networking
- Strong product intuition
- Experience with growth loops or marketplace products (bonus)
- Experience building creator tools (bonus)
- Experience with Flutter (bonus)
- Experience working closely with ML or backend teams (bonus)