Senior iOS Developer

Jit Team is a Polish company employing over 770 experienced experts, offering developmental projects and a wide range of benefits. The company has a long-term partnership with a leading financial group in the Nordic countries, engaging over 200 personnel in more than 60 projects for this major Norwegian financial services provider. The client emphasizes Scandinavian organizational culture, work-life balance, and international teams with daily English language use.

• Several years (5+) of experience in iOS application development
• Unit Testing & Mocking using XCTest and Swift Testing framework
• Knowledge of architectural patterns VIPER and MVVM
• Advanced Swift and Objective-C skills including interoperability
• Experience with programmatic UI, Auto Layout (UIKit), and SwiftUI knowledge
• Experience with modular design and dependency management
• Solid understanding of networking, REST APIs, concurrency, and asynchronous code
• Excellent communication skills
• Payment domain knowledge is a plus
• Backend development experience in Java is a plus
• Engineer mindset
• Active participation in application testing to prevent QA bottlenecks

Nice to have:

• Ability to understand Android and web frontend technologies (Angular, TypeScript, JavaScript)

• 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 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