Senior iOS Engineer

~120 - 150 PLN/ godz./ godz.B2BB2B (netto)

SeniorHybryda·WarszawaInne·B2B

#476481·Dodano wczoraj·0

Źródło: justjoin.it

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Tech Stack / Keywords

iOS Swift SwiftUIXCTestXCUITestClean ArchitectureMVVMCI/CDCore DataSwiftData

Podsumowanie oferty

Develop a production-grade native iOS application for a FinTech Platform. You will design and maintain its architecture, build features with Swift, SwiftUI, and UIKit, and contribute to testing, performance optimization, and production stability.

Wymagania

At least 5 years of professional experience developing native iOS applications, including applications released through the App Store.
At least 4 years of hands-on experience with Swift and SwiftUI and/or UIKit.
At least 3 years of experience in iOS test automation using XCTest and XCUITest.
Strong proficiency in Swift 5.x, including Swift Concurrency, async/await, Actors, and Combine.
Production experience with SwiftUI and UIKit, including understanding their rendering lifecycles.
Practical knowledge of architectural approaches such as Clean Architecture, MVVM, and/or MVI, and understanding of modular design and separation of concerns.
Experience managing dependencies with Swift Package Manager and/or CocoaPods.
Understanding of dependency inversion principles and designing maintainable, testable code.
Hands-on experience with Core Data, SwiftData, and Keychain Services.
Knowledge of URLSession, certificate pinning, and structured error-handling mechanisms.
Experience identifying performance bottlenecks and profiling iOS applications using Instruments.
Familiarity with CI/CD tools such as Fastlane, Xcode Cloud, or similar solutions, including automated code signing.
Ability to understand and work with Objective-C code, particularly in legacy applications and third-party SDK integrations.
Very good English and Polish.

Obowiązki

Design, develop, and maintain the architecture of a production-grade iOS application, including module boundaries, layered structures, and dependencies.
Build and enhance native iOS applications using Swift, SwiftUI, and UIKit.
Implement asynchronous and reactive programming patterns with async/await, Actors, and Combine.
Develop data persistence and security mechanisms using Core Data, SwiftData, and Keychain Services.
Contribute to the software development lifecycle, including PRD preparation, technical specifications, testing, feature-flag-based releases, and structured event tracking.
Create and maintain automated unit and UI tests using XCTest and XCUITest.
Analyze and optimize application performance with Instruments, including Time Profiler, Allocations, Leaks, and Core Animation.
Monitor application crashes, investigate issues, and prevent regressions using tools such as Crashlytics.
Build, improve, and maintain CI/CD pipelines with Fastlane, Xcode Cloud, or equivalent technologies.
Develop integrations between native mobile functionality and web-based components, including WKWebView, Universal Links, Deep Linking, and Handoff.
Work with Engineering and Product Managers to shape requirements, prioritize the backlog, and propose native iOS solutions.
Collaborate with backend development teams on API contracts, authentication mechanisms, and event schemas.
Support production incident resolution and participate in post-incident reviews when necessary.

Benefity

Private medical care.
Sports card.
Training courses.
Opportunity to attend conferences, including as a speaker.
Support with publishing in recognized magazines and online.
Access to challenges that are usually difficult to get.

Opieka zdrowotna

Karta sportowa

Inne informacje

The recruitment process includes a remote initial interview, a remote technical talk, and a decision about working together.

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