Senior iOS Engineer – FinTech Platform (Hybrid, Intl)

Peoplemore; Kraków; Hybrid; PLN 165,000 - 234,000; Full time

Benefits offered by this job

Private medical care

Sports card

Training courses

Hybrid working model

Job summary

People More is seeking a Senior iOS Engineer to design, develop, and maintain a production-grade iOS application for a FinTech platform. You will work with Swift, SwiftUI, and UIKit, implement async patterns, manage data with Core Data/SwiftData, and ensure security with Keychain Services.

You will collaborate with backend and product teams, contribute to architecture decisions, and participate in CI/CD setup and testing. Hybrid work model in Kraków/Warsaw is offered.

Qualifications

• 5+ years of professional experience developing native iOS apps
• 4+ years with Swift and SwiftUI and/or UIKit
• 3+ years of iOS test automation with XCTest/XCUITest
• Strong Swift 5.x, including Concurrency, async/await, Actors and Combine
• Experience with Clean Architecture, MVVM and/or MVI
• Experience managing dependencies with SPM and/or CocoaPods
• Hands-on with Core Data, SwiftData, Keychain Services
• Knowledge of URLSession, certificate pinning, and structured error handling
• Experience profiling iOS apps with Instruments
• Familiar with CI/CD tools like Fastlane/Xcode Cloud
• Able to read Objective-C in legacy codebases
• Very good English and Polish

Responsibilities

• Design, develop, and maintain a production-grade iOS app architecture.
• Build native iOS apps using Swift, SwiftUI, and UIKit.
• Implement async/await, Actors, and Combine patterns.
• Develop data persistence with Core Data/SwiftData and Keychain.
• Contribute to PRD, specs, testing, and feature releases.
• Create unit/UI tests with XCTest/XCUITest.
• Profile performance with Instruments and fix bottlenecks.
• Monitor crashes with Crashlytics and prevent regressions.
• Build and maintain CI/CD pipelines (Fastlane/Xcode Cloud).
• Integrate native features with web components (WKWebView, Deep Linking).
• Collaborate with backend for API contracts and auth; support incidents.

Skills

iOS development

Swift

SwiftUI

UIKit

XCTest / XCUITest

Core Data

Keychain Services

CI/CD

Swift Package Manager

CocoaPods

English

Polish

Tools

Xcode

Xcode Cloud

Fastlane

WKWebView

URLSession

Crashlytics

Job description

People More is seeking a Senior iOS Engineer to design, develop, and maintain a production-grade iOS application for a FinTech platform. You will work with Swift, SwiftUI, and UIKit, implement async patterns, manage data with Core Data/SwiftData, and ensure security with Keychain Services.

You will collaborate with backend and product teams, contribute to architecture decisions, and participate in CI/CD setup and testing. Hybrid work model in Kraków/Warsaw is offered.