iOS Developer (Senior)

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iOS Developer | Quality & Reliability (QnR), the parent company of QnR Group

Role overview

We are looking for a Senior iOS Developer to take ownership of the full development lifecycle of iOS applications, from architecture and design to implementation, testing and deployment. You will collaborate closely with product managers, designers, backend engineers and QA.

About QnR Group

QnR Group is a technology group with 35 years of experience, 8 companies, 4 delivery centers and 210+ professionals across Greece, Belgium, Cyprus and Poland. Listed on the Athens Stock Exchange since 2000, we deliver mission-critical digital transformation projects for the public and private sector. The Group’s capabilities covers software engineering, enterprise and generative AI, cybersecurity, cloud infrastructure, SAP and ServiceNow solutions, core banking and maritime intelligence.

Requirements

What you'll work on

• Designing, developing and maintaining iOS applications
• Collaborating with product managers and designers to translate requirements into high-quality features
• Designing scalable, maintainable architectures and mentoring other developers
• Writing unit and UI tests to ensure code quality, reliability, and long-term maintainability
• Optimizing application performance, memory usage, battery consumption, and overall responsiveness
• Staying up to date with the latest iOS releases, frameworks and Apple Human Interface Guidelines

What you bring

• At least 4 years of experience in iOS development
• Solid experience with SwiftUI and / or UIKit, Combine and modern concurrency (async/await)
• Experience integrating RESTful APIs with iOS applications
• Deep understanding of iOS frameworks such as Core Data, Core Animation, Foundation, and URLSession
• Hands-on experience with version control (Git), CI/CD pipelines (Fastlane, Bitrise, GitHub Actions, or similar)
• Familiarity with automated testing frameworks (XCTest, XCUITest) and a test-driven mindset
• Solid understanding of the App Store submission process, code signing and release workflows
• Strong communication skills in English