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22 days ago
Requirements and responsibilities
About KledKled is building the largest opt-in human data network in the world. We’re not a labeling firm or a task marketplace. We’re a consumer application where people upload their real photos, videos, and documents and get paid continuously. We then filter, standardize, and license that data to frontier AI labs and enterprises that need fresh, rights-aware training data.Since launching our mobile app in 2026, we have: 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.Our mission is to let anyone download the app and earn a real living wage from uploading their data.About the roleiOS Engineer - Consumer AppOur 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.You willDesign and ship core upload flows (photo, video, document ingestion)Build high-performance media handling systemsOptimize upload speed, compression, and background processingImplement fraud detection hooks and verification UXBuild incentive systems, payout visibility, and contributor dashboardsImprove retention, engagement, and contributor lifetime valueWork directly with backend + ML teams to ship full-stack featuresWe’re looking for3+ years iOS development experienceStrong Swift / SwiftUI experienceExperience shipping consumer apps at scaleDeep understanding of performance optimization (media-heavy apps preferred)Experience with background tasks, file handling, and networkingStrong product intuitionBonusExperience with growth loops or marketplace productsExperience building creator toolsExperience with Flutter (we are migrating parts of the stack)Experience working closely with ML or backend teamsCurrent stackFrontendSwiftUI (primary)Migrating parts to FlutterBackendPostgreSQL (Supabase)S3 storageDeno / TypeScript edge functionsPython ML pipelinesCompensationBase salary: $150,000 - $250,000$150,000 – $350,000 equityBenefitsRelocation supportSF HQ (SOMA) or remoteWe move fast and work hard (9–9 culture). If you’re excited to build the world’s largest consumer app, let’s talk!Growth opportunityYou’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 worldDesign infrastructure that directly influences what data trains next-generation AI modelsBuild at real scale - millions of uploads per day, adversarial environments, global contributorsShip alongside a team that has built marketplaces, AI systems, and products used by millionsIf you’re excited to move fast, build systems that matter, and help define how human data powers frontier AI, let’s talk.
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