Senior iOS Engineer — Modernize & Scale a High-Traffic App

Zoolatech; Wrocław; Hybrid; PLN 180,000 - 240,000; Full time

Job summary

Zoolatech is seeking a Senior iOS Engineer to join a team responsible for a high-traffic mobile application serving millions of users. Modernization includes modularization, a unified golden path, and migrating components to Swift and SwiftUI.

You will work across a complex codebase, drive technical improvements, and support the foundation for a major rewrite planned in the next development cycle.

Qualifications

• 4+ years of experience building and maintaining iOS applications.
• Strong Swift development and Objective-C experience.
• Knowledge of SwiftUI and modern iOS architectures.
• Experience with large, complex codebases.
• Experience with code migrations, refactoring, modernization initiatives.

Responsibilities

• Work within and improve a large codebase.
• Lead modularization, architecture refinement, and modernization.
• Drive migration of components from Objective-C to Swift and SwiftUI.
• Contribute to defining engineering best practices and the 'golden path' for iOS development.
• Collaborate with cross-functional partners to deliver features while evolving core systems.
• Support long-term plans to rewrite significant portions of the app.

Skills

iOS development

Swift

SwiftUI

Objective-C

Code migration

Large codebase

Job description

Zoolatech is seeking a Senior iOS Engineer to join a team responsible for a high-traffic mobile application serving millions of users. Modernization includes modularization, a unified golden path, and migrating components to Swift and SwiftUI.

You will work across a complex codebase, drive technical improvements, and support the foundation for a major rewrite planned in the next development cycle.