iOS Developer

Job Title - iOS Developer

Location - Bristol, UK

Mode - 5 days/week onsite

Type - Contract

Duration - 6+months

Job Description :-

Key Responsibilities

• Design, develop, and maintain iOS applications using Swift and SwiftUI.
• Collaborate with product, design, and engineering teams to deliver high-quality features.
• Ensure application performance, scalability, security, and reliability.
• Identify, design, and implement reusable components.
• Troubleshoot and resolve complex bugs, integration issues, and performance bottlenecks.
• Conduct code reviews and mentor junior developers.
• Handle App Store distribution, beta releases, and CI/CD processes.
• Utilize Xcode and GitHub Copilot to streamline development and testing workflows.

Core iOS Capabilities:

• Strong understanding of MVC/MVVM-C architecture patterns.
• Proficient in Swift and SwiftUI.
• Strong knowledge of networking (URLSession, Codable).
• Experience working with databases: Swift Data, Core Data, SQLite, and caching mechanisms.
• Expertise in background task handling using Background Modes.
• Hands-on experience with GCD, Operation Queues, and PromiseKit.
• Unit testing experience: XCTest, XCUITest, Snapshot Testing.
• Strong understanding of reactive programming – SwiftUI with Swift Concurrency.
• Localization best practices and country-specific rollout with configuration files.
• Proficiency with debugging tools: Instruments, Xcode Organizer, log management.

Security Knowledge:

• Keychain, data encryption, SSL/certificate pinning.
• Biometric and multi-factor authentication implementation.

Analytics & Monitoring:

• Experience with Firebase Crashlytics, custom analytics, and remote configuration.

Other Technical Skills:

• Experience with CI/CD tools such as GitHub Actions / Fastlane.
• Familiarity with SAST/DAST tools (nice to have).
• Knowledge of re-platforming assessments for mobile applications.
• Ability to architect mobile solutions and provide technical direction across multiple technologies.