Senior iOS Engineer

Job description

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 on engineering strategy and with Oisin 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

- 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

- Experience leading and mentoring engineering teams

- 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