Senior iOS Engineer (FinTech)

Location: Hybrid, preferably one day per week in the Kraków or Warsaw office

Salary: 120–150 PLN/hour

Company

hirify.global is a software services company delivering UX, UI, frontend, backend, and mobile projects for clients and partners in Poland and abroad.

What you will do

• Design, develop, and maintain architecture for production-grade native iOS applications with clear modules, layered structures, and managed dependencies.
• Build iOS features using Swift, SwiftUI, UIKit, async/await, Actors, and Combine.
• Implement persistence and security with Core Data, SwiftData, and Keychain Services.
• Contribute across the SDLC, including technical specifications, testing, feature-flag releases, event tracking, and backlog refinement.
• Build automated tests, optimize performance with Instruments, monitor crashes with Crashlytics, and resolve production incidents.
• Maintain CI/CD pipelines and integrate native mobile functionality with web components, including WKWebView, Universal Links, Deep Linking, and Handoff.

Requirements

• At least 5 years of professional native iOS development experience, including App Store releases.
• At least 4 years of hands-on Swift and SwiftUI and/or UIKit experience.
• At least 3 years of iOS test automation experience with XCTest and XCUITest.
• Strong Swift 5.x proficiency, including Swift Concurrency, async/await, Actors, and Combine.
• Production experience with SwiftUI and UIKit, including their rendering lifecycles.
• Knowledge of Clean Architecture, MVVM, and/or MVI, modular design, separation of concerns, dependency inversion, and maintainable, testable code.
• Experience with Swift Package Manager and/or CocoaPods, Core Data, SwiftData, Keychain Services, URLSession, certificate pinning, and structured error handling.
• Experience profiling iOS applications with Instruments and familiarity with Fastlane, Xcode Cloud, or similar CI/CD tools, including automated code signing.
• Ability to understand and work with Objective-C in legacy applications and third-party SDK integrations.
• Very good English and Polish are required.

Culture & Benefits

• Open, honest, and problem-solving work environment with a small team.
• International projects and working environment.
• Hybrid work with preferably one office day per week in Kraków or Warsaw.
• Private medical care, sports card, and training courses.
• B2B contract and opportunities to attend conferences, speak publicly, and publish technical content.

Hiring process

• Friendly remote initial interview.
• Remote technical discussion.
• Final decision to work together.