Expert iOS Consultant

B2B Contract

Salary ranges: 150-205 PLN/H

We are looking for an Expert ios Consultant who will join a project in the field of invetment banking.

Requirements:

Minimum 5 years of commercial experience in mobile application development using Swift and Objective-C, including maintaining and migrating a mixed codebase (Swift + Objective-C++).
Good knowledge of Xcode, CocoaPods, SwiftLint, and Swift Package Manager (SPM).
Good understanding of interoperability, memory management (ARC), differences between classes and structs, and escaping/non-escaping closures.
Experience with application architectures such as MVVM, VIP, and TCA (The Composable Architecture).
Knowledge of code modularization principles, including designing multi-module applications, using Swift Package Manager, preview views, and access control (internal/public).
Experience with Tuist for codebase modularization.
Knowledge of testing tools and frameworks such as XCTest, Quick/Nimble, SnapshotTesting, and Swift Testing.
Practical understanding of TDD, code coverage analysis, and module testability.
Experience with debugging and diagnostic tools such as Xcode Instruments, Crashlytics, Console, and Memory Graph.
Ability to identify and resolve issues such as retain cycles, memory leaks, and race conditions.
Experience with CI/CD processes and tools, including:
Fastlane (match, gym, deliver, pilot)
certificates, provisioning profiles, and code signing
GitLab CI and Jenkins
Experience with application publishing via App Store Connect and the Provisioning Portal.
Basic knowledge of SSL Pinning, including certificate and public key pinning.
Knowledge of secure data storage mechanisms such as Keychain and Secure Enclave.

Duties:

- New features development of an application

- Automated testing

- Backend and API integration

- Creation of technical documentation

- Cooperation with team and stakeholders on Client's side