Senior iOS Engineer - FinTech Platform (Hybrid Poland)

InPost Group; Warszawa; Hybrid; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Hybrid work model

Diverse international team

Job summary

InPost Pay seeks an experienced Senior iOS Engineer to own the native iOS platform for our FinTech initiative. You will shape architecture, ensure performance, and deliver consumer and merchant-facing solutions.

You will work in a hybrid model with Warsaw presence, build for a zero-regression production environment, and collaborate across engineering and product teams to meet business outcomes.

Qualifications

• 5+ years of native iOS development, with published apps on the App Store.
• Strong experience with Swift 5.x, Swift Concurrency, async/await, Actors, and Combine.
• Proficient in SwiftUI and UIKit, with understanding of rendering lifecycles.
• Knowledge of MVVM/MVI/Clean Architecture and modular code boundaries.
• Experience with CI/CD, automated signing, and Fastlane/Xcode Cloud.
• Ability to read Objective-C in legacy systems and integrate third-party SDKs.

Responsibilities

• Own architecture of a production FinTech iOS app, its modules and dependencies.
• Develop and maintain native iOS solutions using Swift, SwiftUI, and UIKit.
• Implement concurrency and reactive flows using async/await, Actors, and Combine.
• Work with local persistence (Core Data/SwiftData) and Keychain Services.
• Contribute to PRD writing, testing, feature launches, and event emission.
• Build and maintain automated tests with XCTest/XCUITest.
• Profile performance with Instruments and optimize app efficiency.
• Maintain zero-regression via crash monitoring with Crashlytics.
• Develop CI/CD automation using Fastlane or Xcode Cloud.
• Coordinate integrations with web experiences (WKWebView, deep links).
• Collaborate with backend engineers on API contracts and auth flows.
• Support production incidents and post-mortems as needed.

Skills

Swift

SwiftUI

UIKit

iOS architectures

Code testing

English communication

Education

University degree in IT/CS

Tools

Xcode

Swift Package Manager

CocoaPods

Job description

InPost Pay seeks an experienced Senior iOS Engineer to own the native iOS platform for our FinTech initiative. You will shape architecture, ensure performance, and deliver consumer and merchant-facing solutions.

You will work in a hybrid model with Warsaw presence, build for a zero-regression production environment, and collaborate across engineering and product teams to meet business outcomes.