Senior iOS Developer

Matrix Eastern Europe, the offshore division of Matrix IT, one of the leading global R& D services companies with more than 10,000 professionals, is looking for a Senior Mobile Software Engineer (iOS) to join the team of our clients.

We’re seeking a Senior Mobile Software Engineer (iOS) with strong Swift and Objective-C expertise to help drive the next generation of our best-in-class iOS app. You’ll lead the development of new features, optimize performance, and champion engineering quality across the product.

You’ll collaborate closely with product managers, designers, and QA engineers to deliver intuitive, high-performing features that our users rely on every day. We’re looking for someone with a proven track record of shipping high-quality iOS apps, a passion for clean architecture and performance, and the ability to guide others toward technical excellence.

At our core, we value open communication, thoughtful collaboration, and pragmatic problem-solving. Great ideas can come from anyone, and we encourage strong opinions balanced with flexibility when presented with new information.

Essential Duties and Responsibilities:

• Design, develop, and maintain production iOS applications using Swift and Objective-C.
• Ship and support high-quality releases to the Apple App Store.
• Optimize for performance, reliability, and responsiveness across a wide range of devices.
• Work closely with design, product, and QA to plan, implement, and validate new features.
• Contribute to improving development practices, coding standards, and CI/CD pipelines.
• Stay up to date on the latest iOS SDK changes, frameworks, and Apple developer tools.
• Mentor peers and share expertise in Swift, UIKit, and app architecture.
• Communicate progress, risks, and technical insights clearly within the team.

Essential skills

• 5+ years of professional mobile development experience.
• 3+ years of hands-on iOS development using Swift and Objective-C.
• Proven experience releasing and maintaining iOS apps in the App Store.
• Strong understanding of UIKit, Foundation, Swift Concurrency, and app lifecycle.
• Experience with REST APIs, JSON, and data persistence using SQLite.
• Familiarity with modern CI/CD tools (Xcode Cloud, Azure DevOps, or GitHub Actions).
• Solid grasp of QA methodologies, Agile development, and SDLC best practices.
• Excellent communication and collaboration skills.
• Self-driven, organized, and committed to building exceptional user experiences.

What we can offer:

• Additional 20 days of paid leave
• Remote work and flexible working hours
• Professional and career development benefits
• Top-quality work environment
• Online courses
• Online sports activities
• Team buildings and Christmas parties