Kled AI
App Engineer
United States
Sponsorship not specified$150k-$250kDetected 154 days ago
TypeScriptPythonSwiftFlutteriOSSwiftUIFull-Stack DevelopmentPostgreSQLMachine Learning
About the role
- Ship alongside a team that has built marketplaces, AI systems, and products used by millions
- Improve retention, engagement, and contributor lifetime value
- Work directly with backend + ML teams to ship full-stack features
Responsibilities
- You'll help build the mobile experience that powers one of the largest human data collection efforts ever created.
- 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
- Design and ship core upload flows (photo, video, document ingestion)
- Build high-performance media handling systems
- Implement fraud detection hooks and verification UX
- Build incentive systems, payout visibility, and contributor dashboards
Requirements
- Experience with background tasks, file handling, and networking
- Experience with Flutter (we are migrating parts of the stack)
Nice to have
- Experience with growth loops or marketplace products
- Experience working closely with ML or backend teams
- SwiftUI (primary)
- Migrating parts to Flutter
- PostgreSQL (Supabase)
- Deno / TypeScript edge functions
- Python ML pipelines
Skills
- Experience building creator tools
Compensation
- $150,000 - $350,000 equity
- $150,000 - $250,000
- We move fast and work hard.
- If you're excited to build the world's largest consumer app, let's talk!
- You'll join a team operating at the frontier of applied AI data infrastructure.
- In this role, you'll have the opportunity to:
Company info
- Reached #1 on the App Store (Finance) with 0 paid marketing
- Scaled to 200,000+ active data contributors
- Processed 1.5-3M uploads per day
- Raised $5M+ from investors behind SpaceX, Airbnb, Coinbase, xAI, OpenAI, Anthropic, Spotify, Lyft, Uber, and more
Visa & Work Authorization
- Kled is building the largest opt-in human data network in the world.
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This listing is sourced directly from Kled AI's careers page and normalized into a canonical job model.