Job Specifications & Overview
- Employer: Redcare Pharmacy
- Location: Berlin, Berlin, Germany
- Employment: Fulltime
- Work Model: Remote / Hybrid Option Available
*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
*Job Description**
**About your tasks:**
* Lead the design and development of scalable, maintainable, and high\-performing Android applications using Kotlin and modern Android architecture patterns such as MVVM, MVI, and Clean Architecture.
* Define and evolve the Android application architecture, ensuring scalability, modularity, testability, and long\-term maintainability.
* Drive the adoption and effective use of Jetpack Compose to build modern, declarative, reusable, and responsive user interfaces.
* Design and build reusable mobile components for Retail Media and advertising experiences, including Sponsored Products, Sponsored Brands, native placements, display banners, and personalized product recommendations.
* Integrate Retail Media placements naturally into product discovery, search, category, product detail, and other commerce journeys, balancing monetization objectives with a high\-quality customer experience.
* Collaborate with backend, data, product, and ad server teams on APIs, tracking contracts, campaign metadata, targeting, attribution, and measurement requirements.
* Build flexible and configurable solutions that enable new ad formats, placements, campaigns, and monetization use cases to be introduced efficiently.
* Ensure best practices in modularization, code quality, testing, and performance optimization, define and evolve the app’s architecture, ensuring scalability and long\-term maintainability
* Build reusable mobile components for Retail Media experiences, including Sponsored Products, Sponsored Brands, product recommendations, banners.
* Ensure engineering best practices across modularization, code quality, dependency management, observability, testing, security, and performance optimization.
* Improve CI/CD reliability, build performance, and release processes.
* Maintain clear and comprehensive documentation for architecture decisions, features, and technical processes
* Review and guide critical technical and architectural decisions, contributing to engineering standards and best practices across teams.
* Improve app stability, performance, and overall technical health.
* Reduce technical debt strategically while enabling product teams through platform improvements.
* Implement and evolve feature flags, experimentation frameworks, and A/B testing to validate new customer and advertising experiences through measurable outcomes.
*Qualifications**
**About you:**
* Extensive experience in Android development with strong expertise in Kotlin.
* Deep understanding of the Android SDK and modern Android development practices.
* Hands\-on experience with: Jetpack Compose
+ Coroutines \& Flow
+ Dependency Injection (Hilt/Dagger)
+ REST APIs (Retrofit/OkHttp)
Strong knowledge of clean architecture principles, design patterns, and modularization
* Experience with testing (JUnit, Espresso, MockK) and writing maintainable, testable code
* Familiarity with CI/CD pipelines and modern development workflows
* Proven ability to take ownership of complex projects and deliver high\-quality results independently
* Strong focus on performance, scalability, and user experience
* You collaborate effectively across teams and bring strong debugging and performance optimization skills.
* Experience working in Retail Media, AdTech, MarTech large\-scale e\-commerce platforms.
*Additional Information**
**About your benefits:**
In order to provide our employees with the best possible support for their individual needs, we offer a wide range of benefits:
Sports: Stay healthy. Profit from a membership (M) package at Urban Sports Club, so that you can take advantage of a huge variety of sport offers.
* Mental Health: Get quick and professional help from psychologists of Likeminded if you feel overwhelmed in private or professional life. Anonymous and free of charge.
* Work from Home: If your job does not require you to be present in the office, we can arrange the place you work from individually \- even for up to 20 days a year anywhere in the EU.
* Mobility: We provide our employees with a fully costed Deutschland Ticket which can be used at any time. Click here to learn more.
* Personal development: Grow! We support and encourage your individual development through various in\- and external trainings.
* And many more :)