Senior iOS Developer

Jit Team is a Polish IT company with over 770 experienced experts, focused on delivering innovative IT solutions through highly specialized teams. They have a long-term partnership with a leading financial group in the Nordic countries, providing modern technology solutions in international teams with a Scandinavian organizational culture that values work-life balance and feedback. The client is a major Norwegian financial services provider with a global presence, for whom Jit Team has completed over 60 projects with more than 200 personnel involved.

• Several years (5+) of experience in iOS application development
• Experience with unit testing and mocking using XCTest and Swift testing frameworks
• Knowledge of architectural patterns VIPER and MVVM
• Advanced knowledge of Swift and Objective-C, including interoperability
• Experience with programmatic UI and Auto Layout, particularly with UIKit; knowledge of SwiftUI is expected
• Experience with modular design and dependency management
• Solid understanding of consuming REST APIs, handling asynchronous code, concurrency, and queues
• Excellent communication skills
• Payment domain knowledge is a plus
• Backend development experience with Java is a plus
• Engineer mindset and active participation in testing to prevent QA bottlenecks

Nice to have:

• Ability to understand Android and web frontend (Angular, TypeScript, JavaScript) to help align platforms

• Development and maintenance of iOS applications using Swift and Objective-C
• Designing and implementing application architecture (MVVM / VIPER)
• Building UI using UIKit (programmatic UI, Auto Layout) and developing components in SwiftUI
• Integrating applications with backend systems via REST APIs
• Managing asynchronous operations and optimizing application performance
• Creating and maintaining unit and automated tests (XCTest, mocking)
• Designing modular application structure and managing dependencies
• Actively participating in application testing to improve delivery flow and eliminate QA bottlenecks
• Collaborating with backend and cross-platform teams (Android, Web)
• Participating in code reviews and ensuring high code quality
• Contributing to architectural and technical decision-making