Mobile Developer (Candidates Based in the Netherlands Only)

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. • Knowledge of test automation, CI/CD, and mobile DevOps. • Skilled in performance tuning, crash analytics, and debugging tools (e.g., Xcode Instruments, Android Profiler, Firebase Crashlytics). Preferred Experience • Experience with greenfield and migration projects. • Exposure to App Store / Google Play submission workflows and guidelines. • Previous work in B2B or high-scale app environments. • Awareness of mobile security best practices (data encryption, secure storage, authentication). What We Offer • Competitive Compensation : Salary tailored to your skills and experience. • Generous Time Off : 27 paid vacation days (based on a 40-hour work week). • Job Security : A direct and permanent contract from day one! • Relocation Support : A relocation and travel budget to ease your transition. • Tax Benefits : Eligibility for the 30% ruling. • Travel Reimbursement : We've got your daily commute covered. • Top-Notch Equipment : A high-quality device to ensure you work efficiently. • Professional Development : Financial support for certifications, technical training, and language courses—because we value your long-term career growth. • Family : Visa sponsorship for your partner and children under 18. • Temporary Accommodati