[Hiring] App Engineer @Kled AI

Role Description

Our entire network starts on the phone. You’ll help build the mobile experience that powers one of the largest human data collection efforts ever created.

• Design and ship core upload flows (photo, video, 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 + ML teams to ship full-stack features

Qualifications

• 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

Requirements

• Bonus: Experience with growth loops or marketplace products
• Bonus: Experience building creator tools
• Bonus: Experience with Flutter (we are migrating parts of the stack)
• Bonus: Experience working closely with ML or backend teams

Compensation

• Base salary: $150,000 - $250,000
• $150,000 – $350,000 equity
• Benefits
• Relocation support
• SF HQ (SOMA) or remote

Growth Opportunity

You’ll join a team operating at the frontier of applied AI data infrastructure. We move fast and work 7 days a week. In this role, you’ll have the opportunity to:

• Own core systems that power one of the largest human data networks in the world
• Design infrastructure that directly influences what data trains next-generation AI models
• Build at real scale - millions of uploads per day, adversarial environments, global contributors
• Ship alongside a team that has built marketplaces, AI systems, and products used by millions