Senior Native Mobile Developer - Ios & Android | Retail

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 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

Willingness to work in a hybrid setup. This means balancing office, client premises, and remote work.

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.

While Working At Reaktor, We'll Provide You With

The ability to impact how you work. Together with the client, your team chooses the approach, technologies, and methodologies you think will work best in any given situation

A community with as much support as your heart desires

A team that's not only experienced but considerate as well – they all want you to succeed

A sustainable work-life balance and support for your daily life outside of work. (e.G., free moving day, Reaktor car share, sick child care services, office space to use for your private events, etc.)

An opportunity to grow as a professional. In addition to the day-to-day work, we offer internal training courses, community events, and 15-minute coffee breaks to discuss hot topics in tech and design

A possibility to take part in more extended academy-like studies like Cloud Academy

300+ hobby clubs, from winter swimming and running to knitting and archery, that bring people together outside of (and sometimes inside) office hours. Many of these are supported by Reaktor

Diversity, equity, and inclusion

Together, we are committed to making Reaktor an environment that embraces and values all of our employees for the whole of who they are. We encourage applicants from all backgrounds to apply, knowing that studies show that members of underrepresented communities don't apply for jobs unless they fully satisfy all of the requirements. If you're thinking twice about applying for this reason, we invite you to send us your application anyway. You could be just the person we're looking for. Read more about our DEI work here.

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