Senior iOS Engineer - SwiftUI/UIKit, Offline-First

Roca Alliances; Medellín; On-site; COP 120,000,000 - 240,000,000; Full time

Benefits offered by this job

Permanent contract

Private health insurance

Job summary

Roca Alliances is seeking a Senior iOS Developer to design, maintain and evolve high-performance mobile apps for a global SaaS client. You will work with a codebase mixing SwiftUI and UIKit, modernizing it to keep apps functional with limited connectivity.

The role requires delivering robust offline-first features, integrating UIHostingController, and refining performance. Strong English, hands-on refactoring, and DI experience are essential to succeed.

Qualifications

• Solid understanding of the SwiftUI lifecycle and triggers for view evaluation.
• Experience with UIKit and Storyboards.
• Experience on mixed SwiftUI + UIKit projects including UIHostingController.
• At least one completed refactor or migration of a codebase.
• Knowledge of dependency injection and at least one DI library.
• Experience with local databases (SQLite/GRDB) and NoSQL solutions.
• Apps that work offline or with poor connectivity.
• Regular use of AI tools in development and understanding of their limits (async/await).
• Advanced English proficiency.

Responsibilities

• Design and implement features in SwiftUI and UIKit with clean, testable code.
• Integrate SwiftUI into UIKit screens using UIHostingController.
• Optimize view performance and trigger-driven updates.
• Refactor UI code from Storyboards/UIKit to SwiftUI.
• Apply dependency injection to decouple components.
• Implement local persistence and sync strategies for offline use.
• Build asynchronous flows with async/await and review AI-generated code.
• Collaborate with product, design and QA; participate in code reviews.

Skills

SwiftUI lifecycle

UIKit

Storyboards

SwiftUI + UIKit

Refactor migrations

Dependency injection

Local databases

Offline mode

Async/await

English (Advanced)

Tools

SQLite

GRDB

NoSQL

Job description

Roca Alliances is seeking a Senior iOS Developer to design, maintain and evolve high-performance mobile apps for a global SaaS client. You will work with a codebase mixing SwiftUI and UIKit, modernizing it to keep apps functional with limited connectivity.

The role requires delivering robust offline-first features, integrating UIHostingController, and refining performance. Strong English, hands-on refactoring, and DI experience are essential to succeed.