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November 3, 2026

Senior iOS Developer

Senior • Remote

Warsaw, Poland

Quick Facts

Senior iOS Developer focused on UI migration, API/data updates, experimentation, and modular architecture.

Description

You will migrate views from UIKit to SwiftUI and a new design system with safe code transformation. You will update API contracts and data models, adapt UI to backend changes, and support A/B testing and new checkout-related functionality with backend integration.

Responsibilities

  • Migrate UI from UIKit to SwiftUI and the new design system
  • Update API contracts and data models; adapt views to backend changes
  • Run A/B experiments and handle related changes
  • Design architecture for new features, integrate backend with UI, and develop Fast Checkout
  • Consult with other teams contributing to checkout and answer their questions

Requirements

  • Strong architectural decision-making aligned with business needs and trade-offs
  • Modular architecture experience in large codebases (about 50 modules)
  • Ability to make changes safely without affecting other teams’ components
  • Experience with feature flags and remote config for controlled rollouts
  • Senior iOS skills: Swift, SwiftUI, Combine, Swift Concurrency, and testing (XCTest, Swift Testing, SnapshotTesting, XCUITest)
  • Responsible AI usage with mandatory manual code review and tests
  • Clear communication and independence while working with multiple teams and owning decisions

Benefits

  • Scandinavian culture focused on logic and dialogue
  • Health and sports benefits tailored to needs
  • Speed Coaching (short sessions with new perspectives and solutions)
  • Sports training, internal team, and shared competitions
  • Integration events and development meetups

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