Your Responsibilities

• Design, implement, test and support complex mobile applications on both iOS and Android
• Contribute to and lead feature releases across both platforms, keeping them consistent in behaviour and quality
• Ensure high standards of code quality, maintainability and performance
• Own the release process end to end, including App Store and Google Play submissions
• Collaborate with cross-functional teams throughout the development lifecycle
• Participate in requirement gathering, solution design and roadmap planning
• Review code, share knowledge with the team and promote best practices
• Estimate tasks, manage risks and meet project deadlines
• Communicate effectively with product managers, stakeholders and partners
• Proactively solve challenges and drive continuous improvements

Your Skills

Must have:

• 5+ years of professional mobile development experience, with hands-on delivery on both iOS and Android
• Strong proficiency in Kotlin and Swift, and solid command of the Android and iOS core libraries
• Experience with modern declarative UI - Jetpack Compose and SwiftUI
• Proven track record of delivering clean, maintainable and well-tested code
• Deep understanding of both mobile ecosystems, architecture patterns and emerging trends
• Experience working with RESTful APIs and push notification services (FCM, APNs)
• Familiarity with app store release processes and mobile CI/CD
• Strong analytical and problem-solving skills especially in simplifying complex problems
• Strong communication skills, both within the team and across departments
• Attention to code quality, testing, and long-term maintainability
• Proactive mindset focused on delivering effective, user-centric solutions
• Willingness to take part in 24/7 support duty for our mobile applications (on-call rotation within the team)
• English: Fluent in Text & Speech

Nice to have:

• Experience with cross-platform tools like Kotlin Multiplatform, Flutter, Ionic, or Capacitor
• Experience with offline-first architectures and local data persistence
• Experience with automated UI testing on mobile
• German language skills

We offer

• Payment - At OpenResearch we strive to unite the best minds under one roof. For this reason we offer, depending on qualification and experience, very attractive salary packages for our applicants.
• Personal growth and professional development - We strive for continuous improvement and believe that we should never stop learning. Needless to say there is a budget for training and conferences for every employee.
• Healthy environment with drive - We live in a jovial and driven atmosphere with open communication and a positive feedback culture.