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Swift/IOS Developer Expert

AfterQuery

AI Expert - Software Engineering Contractor
Remote (Global) $70/hr March 10, 2026 Reposted Oct 15

Job description

AfterQuery is seeking Swift/iOS Developer Experts to create and refine mobile development challenges for training AI models. In this remote, flexible role, you will design and evaluate iOS development scenarios that test the AI's ability to interpret and apply complex Swift programming and iOS development principles, ensuring that our models can navigate real-world app development, UI/UX implementation, and mobile architecture with precision and technical accuracy. Your expertise will help bridge the gap between proven iOS development practice and innovative AI solutions, making a tangible impact on the future of mobile technology.

Required qualifications

  • Proven experience developing iOS applications using Swift with a robust understanding of iOS frameworks and mobile development patterns.
  • Strong knowledge of Swift syntax, UIKit/SwiftUI, and iOS SDK.
  • Exceptional analytical, written, and verbal communication skills, with a keen eye for detail.

Why apply

  • Competitive Compensation: Benefit from attractive hourly rates that reward your specialized iOS development expertise.
  • Innovative Impact: Work with a YC-backed startup revolutionizing AI with high-caliber mobile development content and insights.
  • Flexible Engagement: Enjoy the freedom of a remote, asynchronous role that allows you to integrate your iOS development expertise into pioneering projects on your own schedule.
Apply now

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Frequently asked questions

Who founded AfterQuery?
Three Wharton/Penn co-founders launched AfterQuery in January 2025 as part of Y Combinator W25: Spencer Mateega (CEO, ex-Silver Lake/Morgan Stanley/Meta/Google), Carlos Georgescu (ex-Citadel Securities/Meta/Google), and Danny Tang (ex-Wharton roommates with Spencer; sold a high-school startup together).
What does AfterQuery do?
It captures how experts actually think and work, chain-of-thought reasoning, RL rubrics, agent environments, and computer-use trajectories, then sells that as training data to frontier AI labs.
How big is the expert network?
Nearly 100,000 verified practicing professionals across finance, law, medicine, engineering, software, ML/data science, business, and health.
What can I earn as an Expert?
Public coverage cites $40–$50/hr for general roles and up to $200–$250/hr for top-of-skill specialists. Pay depends on domain, project complexity, and your credentials.
How is AfterQuery funded?
$500K seed from Y Combinator (W25) plus a $30M Series A in April 2026 at a $300M valuation, led by Altos Ventures with The Raine Group, Y Combinator, and BoxGroup. Reportedly above $100M annual revenue run rate.
Who are the customers?
Frontier AI labs and enterprises building foundation models. AfterQuery describes itself as supporting "every leading frontier AI organization."
Apply now

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