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Lead iOS Engineer at SimpleStudy. Remote Location: Remote - Worldwide. Company:. SimpleStudy is a consumer AI platform for students.. We help them stay motivated to study their subjects - everything from Biology and Mathematics to Literature and Art.. Our small team has already helped +1.5 M students worldwide (UK, Ireland, Brazil, South Africa, and Australia) study better, and ~40–50k new students join us every week.. We are a remote team with a Lisbon office, having recently raised ~$4M seed round with incredible investors from Strava, OpenAI, and Meta.. Responsibilities and key results:. Own the mobile app end-to-end — architecture, performance, release process, and roadmap — without needing the problem framed in advance. Lead and mentor the two existing engineers already supporting mobile, setting technical direction and raising the bar for mobile craft. Partner directly with Affan (engineering manager) on engineering strategy and with Oisin (founder) on product direction where mobile intersects with growth, onboarding, and retention. Drive native-feel polish: smooth animations, responsive interactions, platform-specific conventions (iOS/Android). Work in a PLG/A/B testing environment — ship features, instrument, measure impact, iterate fast. Own app store presence and release cadence — versioning, store optimization, crash/performance monitoring. Potentially help grow a dedicated mobile team as the app becomes a bigger part of the business. Requirements:. At least 5 years of experience with native iOS development. Strong experience leading and mentoring engineering teams. Proficiency in Swift. Proven experience building and shipping consumer-grade iOS applications. Experience with SwiftUI and UIKit. Familiarity with iOS frameworks and tools such as Combine, push notifications, and. App Store deployment. Experience with Xcode, XCTest, TestFlight, and App Store Connect. Experience with common iOS architecture and state management patterns. Experience with debugging, performance optimization, and crash monitoring. Bonus: Objective-C experience. Bonus: Android development (Kotlin). Conditions:. Remote in Europe (preference: Western/continental Europe). Portugal relocation sponsorship possible. Salary: no fixed budget. Flexible.. Stock options: yes. Contract type: full-time employment, independent contractor. Tech Stack: Node.js, React.js, React Native, Next.js, Nest.js, Expo, Prisma, Tailwind, AWS