Senior Native iOS Developer

Job Summary

We are seeking a Senior iOS Developer (Contractor) for a high-impact 6-month engagement to design, build, and launch a robust native iOS application.

The ideal candidate will:

• Drive development from requirements to production within a 5-month delivery timeline
• Have deep expertise in Swift, Swift
  
  UI, and modern concurrency (async/await)
• Be experienced in secure authentication (OAuth/MSAL) and performance optimization
• Thrive in a fast-paced Agile environment with high technical standards

This is a hands-on execution role for a developer who excels in delivering high-quality applications under tight deadlines.

• Develop and deploy production-ready iOS features using Swift, Swift
  
  UI, and UIKit
• Implement modern concurrency (async/await) for responsive UI and background processing
• Design and integrate secure authentication flows (OAuth, MSAL, SSO)
• Build scalable networking layers for RESTful API integration
• Implement efficient data handling and local caching

• Design modular, scalable applications using MVVM or Clean Architecture
• Perform advanced debugging and optimization using Xcode Instruments (Time Profiler, Leaks)
• Ensure code quality through peer reviews and best practices
• Follow Apple Human Interface Guidelines for UI/UX standards

• Participate in Agile ceremonies (
  stand-ups, sprint planning, retrospectives
  )
• Identify and resolve technical debt and bottlenecks proactively
• Maintain clear technical documentation for architecture and authentication
• Ensure smooth handoff post-contract

• 7–8+ years of native iOS development experience
• Proven track record of delivering 2–3+ apps end-to-end (concept to App Store)

• Expert in Swift (latest versions), Swift
  
  UI, and UIKit
• Strong experience with async/await and multi-threading

• Hands‑on experience with MVVM or Clean Architecture
• Ability to build scalable, maintainable applications

• Experience with OAuth, MSAL, and SSO-based authentication
• Strong background in REST API integration
• Experience with data persistence (Core Data / Swift Data)

• Expertise in Xcode Instruments (Time Profiler, Leaks, Network)
• Experience with:
  • Git-based version control
  • CI/CD tools (Git Hub Actions, Bitrise, Xcode Cloud)

• Strong experience in Agile/Scrum environments
• Ability to manage tight deadlines and changing priorities
• Experience with:
  • App Store Connect
  • Certificates & provisioning
  • Apple review process

• Ensure compliance with security best practices (Keychain, secure APIs)
• Manage Test Flight releases and versioning
• Collaborate with backend/design teams for API & UI optimization
• Conduct code reviews and mentor junior developers
• Identify and mitigate technical and delivery risks proactively