Kled AI

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.

This listing is sourced directly from Kled AI's careers page and normalized into a canonical job model.