App Engineer

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🕒 March 18

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Logo of Kled AI

Kled AI

11 - 50 employees

Founded 2025

🤖 Artificial Intelligence

🏪 Marketplace

🤝 B2B

Artificial Intelligence • Marketplace • B2B

Kled AI is a research-backed data marketplace and mobile platform that sources, curates, and licenses opt-in human datasets to train and improve AI models. Through a contributor app that pays users for photos, videos, and other human-generated data, Kled aggregates high-utility, verifiable datasets for AI companies, governments, and research institutions, and publishes research demonstrating dataset improvements for model fidelity. The company focuses on solving AI data scarcity by combining marketplace services, contributor tools, automated quality checks, and enterprise-facing dataset products.

📋 Description

• 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

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

🏖️ Benefits

• $150,000 – $350,000 equity • Relocation support • SF HQ (SOMA) or remote • Health insurance, retirement plans, paid time off, flexible work arrangements, professional development, bonuses, stock options, equipment allowances, wellness programs

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