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E-Solutions

iOS Developer

E-Solutions
United Kingdom · Contract · Mid-Senior

Job Description

We are looking for a highly skilled iOS Developer with strong experience in building secure, scalable, and high-performance mobile applications. The ideal candidate will have hands-on expertise in Swift, modern iOS frameworks, architectural patterns, and CI/CD practices, along with the ability to collaborate effectively within cross-functional teams.


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.


Essential Skills & Experience

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.

Key Skills

Ranked by relevance

swift cicd ios xcode product design
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Posted
Dec 10, 2025
Type
Contract
Level
Mid-Senior
Location
Greater Bristol Area

Industries

IT Services IT Consulting

Categories

Information Technology

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