Mobile Developer (Candidates Based in the Netherlands Only)

About this role

Are you a mobile developer with a passion for creating seamless user experiences? Join us as a Mobile Developer (iOS or Android) and help shape the next generation of mobile applications for leading global clients. Whether your expertise lies in Swift (iOS) or Kotlin (Android) , you'll work on high-impact projects that combine technical excellence with real-world value. You’ll collaborate with cross-functional DevOps teams and product owners to deliver elegant, secure, and high-performance solutions from greenfield development to A/B testing, performance tuning, and modern tech migrations like GraphQL.

Why Join Us? At Wypoon Technologies, you’ll work on dynamic projects for industry leaders such as Heineken, ING, ASML, Philips, and Shell , tackling exciting challenges and delivering tailored enterprise solutions. Here’s what makes us stand out: ✔ Impactful Work : Shape the future of our clients’ digital landscapes. ✔ Innovative Environment : Collaborate within a supportive team that values learning and growth. ✔ State-of-the-art technology : Access the latest tools and platforms.

✔ Global Opportunities : Are you dreaming of living and working in the Netherlands or Belgium? We provide full support with visa processes, making your transition smooth and hassle-free! #LI-DNI Key Responsibilities Design, develop, and maintain native iOS or Android apps. Implement clean, maintainable, and testable code using Swift or Kotlin. Build user-friendly, responsive, and high-performance interfaces using SwiftUI or Jetpack Compose.

Integrate RESTful and GraphQL APIs in collaboration with backend teams. Contribute to automated testing, CI/CD pipelines, and release processes (App Store / Play Store). Optimize app performance, debug crashes, and proactively monitor quality. Drive experimentation with A/B testing, analytics, and user engagement strategies. Participate in Agile rituals, code reviews, and knowledge-sharing sessions. What you’ll bring A minimum of 5 years of professional experience.

Advanced proficiency in the English language (at least B2 in speaking, writing, listening, and reading). A minimum of a bachelor's degree in Computer Science, Software Engineering, or a related field. iOS: Strong in Swift, SwiftUI, and Xcode. Android: Proficient in Kotlin, Jetpack Compose, Android Studio, and Coroutines. Familiarity with A/B testing methodologies and analytics tools (e.g., Firebase, Mixpanel). Experience with GraphQL, REST, and modern API integration.