Cross Platform - iOS and Android | Retail
About this role
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
To thrive in this position, you'll need:
Must-haves
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 e