Senior Android Engineer, AdTech (m/f/d) Cologne Posted on 25.09.2026

About Redcare Pharmacy:

As Europe’s No.1 e-pharmacy, Redcare Pharmacy is powered by passionate teams and cutting-edge innovation. We strive to create a healthy, collaborative work environment where every employee feels valued and inspired to contribute to our vision “Until every human has their health”. If you’re seeking a career that offers purpose and aligns with your values, join us and begin your #Redcareer today.

About the role:

As a Senior Mobile Engineer (Android/iOS) , you will play a key role in building the next generation of Retail Media and sponsored advertising experiences within the Redcare mobile platform. Working as part of a cross-functional product team, you will design and build scalable mobile experiences that seamlessly integrate sponsored products, personalized recommendations, native advertising, and campaign-driven customer journeys while maintaining a best in class shopping experience. You will have high visibility and a direct impact on how our Android ecosystem evolves as we scale. You'll collaborate closely with Product Managers, Designers, Backend Engineers, Data Scientists, and Retail Media stakeholders to deliver performant, scalable, and customer-centric mobile solutions used by millions of customers across Europe.

About the Tech Stack:

Kotlin, Android SDK, Jetpack Compose, Android Jetpack (ViewModel, Navigation, DataStore), Coroutines & Flow, Hilt (Dagger), Retrofit/OkHttp, Ktor, Koin. Any cross platform is add-on