
Android Developer
On-site
Full Time
#Engineering
#Kotlin
#Java
#Android
#MVVM
At SumUp, we empower millions of small business owners by creating the financial tools they need to thrive. From the card readers you see at your favorite local cafe to the robust software powering those transactions, we are dedicated to helping merchants succeed. We are looking for a passionate engineer to join our Hardware team and help us build the next generation of payment experiences.
Role at a glance
We are seeking a Senior Android Developer to join our team on a full-time basis. This is an on-site role based in our Berlin office, where we value the collaboration and creativity that happens when we work together in person. You will be a key contributor to our mobile engineering efforts, working within a cross-functional team to refine our core Android applications and SDKs.
Your impact
- Take full ownership of features within our Android app, ranging from Bluetooth implementation to user-facing interfaces for our card readers.
- Collaborate closely with product managers, designers, and backend engineers to define technical roadmaps and build maintainable, high-quality software.
- Contribute to the decision-making process by applying clean code principles and modular architecture to solve complex fintech challenges.
What you'll need
- Extensive experience building complex mobile applications, ideally with a product-focused mindset.
- Strong proficiency in Kotlin, Java, and the Android framework.
- Solid understanding of architectural patterns like MVVM to ensure our app remains scalable and modular.
- A commitment to writing flexible, effective tests and a pragmatic approach to software development.
- Excellent communication skills in English, allowing you to thrive in our global, collaborative environment.
Perks and compensation
- A dedicated annual learning budget to support your professional growth and conference attendance.
- Participation in our virtual stock options program, giving you a stake in our collective success.
- Paid time off to ensure you have a healthy work-life balance.





