Senior iOS Engineer

Build high-performance, user focused apps, for millions of users.

Description

Build high-performance, user-focused iOS applications across a portfolio of consumer subscription apps serving millions of users. Own technical implementation of core features including subscription infrastructure (StoreKit 2, RevenueCat, Superwall), onboarding flows, A/B testing frameworks, and performance optimization. Work directly with small and autonomous teams shipping features weekly while maintaining code quality through comprehensive testing and modern SwiftUI architecture. Solve challenging problems around subscription conversion, deep linking, push notification systems, and cross-platform data sync.

Experience

4+ years iOS development with deep expertise in Swift, SwiftUI, and UIKit. Production experience implementing StoreKit 2 subscriptions, in-app purchases, and revenue analytics integration required. Strong understanding of iOS architecture patterns (MVVM, Clean Architecture), async/await concurrency, Combine framework, and unit/UI testing (XCTest). Experience with A/B testing SDKs (Statsig, Optimizely), analytics platforms (RevenueCat, Mixpanel), and CI/CD pipelines. Comfortable working in existing codebases and refactoring legacy code. Bonus: Experience with accessibility features, localization, app extensions, or contributing to open source Swift projects.

Location

Remote-first; options for in-person in NYC and Amsterdam