> Markdown version of [/jobs/ext/3189344-senior-mobile-developer](https://www.wearedevelopers.com/jobs/ext/3189344-senior-mobile-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Mobile Developer - **Company:** Reaktor - **Location:** Amsterdam, Netherlands (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Flutter, Java (Programming Language), Application Programming Interfaces (APIs), Android Software Development, App Store (IOS), Mobile Application Development, Cloud Computing, Databases, Software Debugging, Mobile Application Software, Software Engineering, Systems Integration, Swiftui, Backend, Kotlin, Jetpack Compose, Reactive Programming, Google Play, Objective C++ - **Published:** September 2, 2026 - **Apply:** https://nl.indeed.com/viewjob?jk=84f504b91535a0fd ## About the Role * Strong experience in native iOS development using Swift and/or Objective-C * Strong experience in native Android development using Kotlin and/or Java * A testing ownership mindset - you take responsibility for the full development cycle, from implementation to ensuring features are defect-free and shipped to users * Experience with production app monitoring and troubleshooting * Experience engaging with multiple stakeholders to solve challenging, ambiguous problems * Fluent verbal and written English to collaborate in an international environment We notice that it usually takes several years of professional experience to build this level of depth across both mobile ecosystems. Nice-to-haves * Experience with SwiftUI and/or Jetpack Compose * Experience with reactive programming * Experience with Flutter * Experience with distributing beta versions via App Store and Google Play * Experience with publishing apps via the App Store and Google Play * Familiarity with backend development, APIs, databases, or cloud infrastructure * Interest in building polished animations and working closely with Motion Designers * Finnish language skills Adaptability Willingness to work in a hybrid setup. This means balancing office, client premises, and remote work. ## Description Reaktor's tech community is looking for an experienced Senior Native Mobile Developer to join our Retail Business Unit in our European locations (Helsinki, Amsterdam, Lisbon). If you thrive in native mobile development, enjoy solving complex challenges in multidisciplinary teams, and are curious to work in a low-hierarchy environment, you might just be what we're looking for. You will join our Retail Business Unit, where you will support clients in this domain across both iOS and Android native mobile development. Your daily tasks may include: * Developing native mobile applications for both iOS and Android * Building polished mobile UI experiences, including high-performance animations * Working on mobile SDKs, integrations, analytics, ads, or attribution frameworks depending on the client project * Collaborating with clients and stakeholders to clarify requirements, autonomously driving initiatives across the client organization and guiding technical and business teams in selecting the right technologies for their needs. * Contributing to architectural decisions and long-term technical direction * Participating in discovery, concepting, and iterative delivery, not just implementation * Taking ownership of testing, debugging, monitoring, troubleshooting, and production quality * Occasionally contributing beyond mobile when the project benefits from backend, API, or cloud infrastructure understanding, For two decades, we've been developing qualities and capabilities for adapting, reacting, and supporting change - building Reaktor to hold up in a fast-paced environment while ensuring the well-being of our people.