> Markdown version of [/jobs/ext/3878934-ios-developer](https://www.wearedevelopers.com/jobs/ext/3878934-ios-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # iOS Developer - **Company:** adesso Spain - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Artificial Intelligence, IOS Applications, Applications Architecture, App Store (IOS), Automation of Tests, Mobile Application Development, Code Review, Software Debugging, DevOps, Github, Monitoring of Systems, Mobile Application Software, Performance Tuning, Scrum Methodology, Uikit, Swiftui, Ios Frameworks, Swift (Programming Language), Claude, Xctest, Jenkins - **Published:** October 23, 2026 - **Apply:** https://www.jobleads.com/es/job/ios-developer--barcelona--e4bb5e97266e58b967df97a694f8c4601 ## About the Role * 4+ years of professional experience in native iOS development. * Strong knowledge of Swift, SwiftUI, and UIKit. * Solid understanding of modular app architecture and clean code principles. * Experience publishing and maintaining apps on the Apple App Store. * Familiarity with iOS testing frameworks such as XCTest, Quick, and Nimble. * Experience using AI tools, particularly Claude, to support iOS development tasks such as coding, debugging, testing, and technical documentation. * Strong communication skills in English (fluency required); Spanish and/or German are a plus. Nice to Have * Experience with automated testing, iOS app performance tuning, and monitoring tools. * Exposure to GitHub workflows, Jenkins, and DevOps best practices. * Experience with accessibility and localization in iOS applications. ## Description With over 10,000 employees across 60 cities in Europe, adesso is one of the leading IT providers in the German-speaking market. To support our continued growth, adesso Spain is looking for a skilled and motivated Mobile Developer to join our international team. You'll play a key role in the development of high-quality mobile applications, contributing to international projects and working in a collaborative, agile environment. What You'll Do * Design, develop, and maintain native iOS applications using Swift, SwiftUI, and UIKit. * Collaborate closely with cross-functional teams to define and deliver new features. * Build and maintain modular iOS app architectures that support scalability and code reusability. * Manage CI/CD pipelines using GitHub and Jenkins. * Participate in code reviews, technical discussions, and sprint planning. * Manage the end-to-end release process for the Apple App Store. What We're Looking For * 4+ years of professional experience in native iOS development. * Strong knowledge of Swift, SwiftUI, and UIKit. * Solid understanding of modular app architecture and clean code principles. * Experience publishing and maintaining apps on the Apple App Store. * Familiarity with iOS testing frameworks such as XCTest, Quick, and Nimble. * Experience using AI tools, particularly Claude, to support iOS development tasks such as coding, debugging, testing, and technical documentation. * Strong communication skills in English (fluency required); Spanish and/or German are a plus. Nice to Have * Experience with automated testing, iOS app performance tuning, and monitoring tools. * Exposure to GitHub workflows, Jenkins, and DevOps best practices. * Experience with accessibility and localization in iOS applications. What We Offer: * Competitive salary and private health insurance. * A hybrid work model combining occasional visits to our client's office in Barcelona and travel to Germany. * Participation in international, high-impact projects. * An individual development plan including technical certifications, language training, and soft skills development. * A lean and agile organization where your contributions truly make a difference. Are you passionate about mobile development and ready to grow with a leading European IT company? We'd love to hear from you.