iOS Engineer
Q Tech
Barcelona, Spain
2 days ago
Role details
Contract type
Permanent contract Employment type
Full-time (> 32 hours) Working hours
Regular working hours Languages
English Experience level
Senior Compensation
€ 70KJob location
Barcelona, Spain
Tech stack
Clean Code Principles
Artificial Intelligence
Amazon Web Services (AWS)
Business Logic
App Store (IOS)
Software as a Service
Software Quality
Continuous Integration
Software Debugging
Dependency Injection
Mobile Application Software
Model View ViewModel
Ruby on Rails
UIKit
Swiftui
Backend
Kotlin
Jetpack Compose
REST
Multiplatform
Job description
Their iOS app is used daily by professionals managing high-value relationships and deals. They are now looking for a Senior iOS Engineer with strong ownership and architectural mindset to lead and evolve their SwiftUI-based mobile application.
What you'll do
- Own and drive the iOS codebase and architecture.
- Build new features with a strong focus on performance, scalability, and code quality.
- Contribute to a shared Kotlin Multiplatform (KMP) module for business logic and networking.
- Ensure high performance (60fps scrolling, memory efficiency, solid testing practices).
- Collaborate closely with Product, Design, and Backend teams.
- Gradually contribute to Android (Jetpack Compose) as part of a dual-native strategy.
Tech stack
SwiftUI, Swift 6, UIKit (bridges), Kotlin Multiplatform, Jetpack Compose, Fastlane, CI/CD, Ruby on Rails, AWS.
Requirements
- 5+ years of iOS development experience.
- Deep expertise in SwiftUI and modern Swift (async/await, structured concurrency).
- Strong architectural skills (MVVM, dependency injection, clean code).
- Experience shipping high-quality apps to the App Store.
- Solid understanding of REST APIs, testing, and systematic debugging.
- High ownership mindset and product-oriented thinking.
- Interest in growing into a T-shaped mobile engineer (iOS + Android).
Requisitos deseados
- Experience with Kotlin / Jetpack Compose.
- Familiarity with Kotlin Multiplatform.
- AI-augmented engineering mindset.
- Background in B2B / SaaS environments.
About the company
At Q-tech, we're partnering with a fast-growing international tech company that is building a world-class dual-native mobile experience for its B2B CRM platform.