Php software developer Jobs in Köln

Company Description

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 Android Developer (m/f/d), you will take full ownership of our Android application, driving its architecture, scalability, and long-term evolution. You’ll play a key role in shaping the technical vision of the app, leveraging modern Android technologies and best practices while collaborating closely with cross-functional teams. You’ll be expected to bring strong opinions on architecture, performance, and developer experience, helping the team build a world-class mobile product.

About the Tech Stack: Kotlin, Android SDK, Jetpack Compose, Android Jetpack (ViewModel, Navigation, DataStore), Coroutines & Flow, Hilt (Dagger), Retrofit/OkHttp, Ktor, Koin

Job Description

About Your Tasks:

App Development & Architecture

• Lead the design and development of scalable, maintainable Android applications using modern Android architecture (MVVM / MVI / Clean Architecture)
• Drive adoption of Jetpack Compose for building declarative, responsive UIs
• Ensure best practices in modularization, code quality, testing, and performance optimization, define and evolve the app’s architecture, ensuring scalability and long-term maintainability

Collaboration

• Work closely with product managers, designers, and backend engineers to deliver high-quality, user-centric features

Quality & Delivery

• Own the delivery pipeline, including CI/CD, testing (unit/UI), and release management
• Ensure app stability through monitoring, logging, and performance tracking tools

Documentation

• Maintain clear and comprehensive documentation for architecture decisions, features, and technical processes

Continuous Learning & Innovation

• Stay up to date with the latest Android trends, tools, and frameworks
• Proactively introduce improvements to the codebase, tooling, and development processes

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

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 :)