adesso Belgium

iOS developer for mobile applications

In short

This role involves designing, developing, and maintaining native iOS applications in Swift, SwiftUI, and UIKit, including managing CI/CD pipelines and the App Store release process. adesso is a large European IT consultancy with 10,000+ employees, hiring for its Spain branch to work on international projects in a hybrid Barcelona setup with occasional travel to Germany. The role requires 4+ years of native iOS experience, strong Swift/SwiftUI/UIKit skills, App Store publishing experience, and fluent English; familiarity with AI tools like Claude for development tasks is also expected.

About the Role
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.
Responsibilities
•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.
•Work effectively in a fully remote environment, with occasional visits to our client's office in Barcelona and travel to Germany.
Requirements
•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).
Nice to have:
•Spanish and/or German
•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
Conditions
•Competitive salary and private health insurance.
•A hybrid work model combining remote flexibility with team connection.
•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.

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