Senior iOS Developer

Job Description:

We are seeking a highly experienced Senior iOS Developer with over 12 years of hands‑on mobile application development experience to join our team on a contract basis in Columbus, OH. The ideal candidate is a seasoned professional with deep expertise in iOS platforms, strong problem‑solving skills, and a passion for building high‑quality, scalable mobile applications.

Key Responsibilities:

• Design, develop, and maintain high-performance iOS applications using Swift and Objective-C
• Architect and implement applications using MVVM architecture and best design practices
• Write clean, efficient, reusable, and testable code following iOS development standards
• Solve complex algorithmic and data structure problems (LeetCode-level proficiency expected)
• Participate in end-to-end application development, from requirements analysis to deployment and support
• Collaborate with cross-functional teams including product managers, designers, and backend engineers
• Actively participate in Agile/Scrum ceremonies (daily stand-ups, sprint planning, reviews)
• Implement and maintain unit tests and support automated testing initiatives
• Use source control systems effectively (Git or similar)
• Debug, optimize, and enhance application performance and stability
• Ensure applications meet Apple’s guidelines and successfully publish apps to the Apple App Store
• Mentor junior developers and provide technical guidance when required.

Required Qualifications:

• 12+ years of professional software development experience with a strong focus on iOS development
• 8+ years of combined experience in Swift, Objective-C, and C++
• Proven experience building and publishing iOS applications available on the Apple App Store
• Strong expertise in MVVM architecture and mobile design patterns
• Advanced knowledge of algorithms, data structures, and problem solving
• Proficiency with macOS, Linux, GNU tools, and scripting languages
• Hands‑on experience across all phases of the software development lifecycle (SDLC)
• Solid experience with unit testing frameworks and enthusiasm for automated testing
• Strong understanding of Agile development methodologies
• Experience with source control management tools (Git, SVN, etc.)
• Excellent communication skills and ability to work independently in a contract role