Mobile Developer (Candidates Based in the Netherlands Only)

Arbeitnow; Amsterdam; On-site; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Competitive pay

27 vacation days

Permanent contract

Relocation support

30% ruling

Visa sponsorship

High-end device

Professional development

Job summary

Wypoon Technologies is seeking a talented Mobile Developer (iOS or Android) to craft seamless native apps for global clients. You’ll implement clean code in Swift or Kotlin, build UI with SwiftUI or Jetpack Compose, and integrate GraphQL/REST APIs. Join cross-functional DevOps teams, contribute to CI/CD, and drive performance improvements.

The role emphasizes high-impact, enterprise-grade work with opportunities for relocation support and visa assistance in a dynamic, global environment.

Qualifications

• 5+ years of professional mobile development experience.
• Bachelor's degree in CS, Software Engineering, or related field.
• Excellent English communication (min B2 level).
• Strong Swift, SwiftUI, Xcode skills.
• Strong Kotlin, Jetpack Compose, Android Studio, and Coroutines.
• Familiarity with AB testing and analytics tools (Firebase, Mixpanel).
• Experience with GraphQL, REST, and modern API integration.
• Knowledge of test automation, CI/CD, and mobile DevOps.
• Proficient in performance tuning, crash analytics, debugging tools.

Responsibilities

• Design, develop, and maintain native iOS or Android apps.
• Implement clean, maintainable, and testable code with Swift or Kotlin.
• Build responsive, high-performance UI with SwiftUI or Jetpack Compose.
• Integrate RESTful and GraphQL APIs with backend teams.
• Contribute to automated testing, CI/CD pipelines, and releases.
• Optimize app performance, fix crashes, and monitor quality.
• Drive experimentation with A/B testing and analytics.
• Participate in Agile rituals, code reviews, and knowledge sharing.

Skills

Swift

Kotlin

SwiftUI

Jetpack Compose

GraphQL

REST APIs

A/B testing

CI/CD

Analytics

DevOps

Education

Bachelors in CS/Software Eng

Tools

Firebase

Mixpanel

Xcode

Android Studio

Firebase Crashlytics

Job description

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!

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 Accommodation: Stay in temporary housing while we help you find your permanent home.
• Comprehensive Relocation Assistance: Extensive support to help you settle in smoothly.
• Community & Fun: Enjoy team events and connect with developers from around the globe!