Job
In this role, you build Android applications for card readers and SDKs, enhance existing systems, work on Bluetooth Low Energy connections, payment flows, and conduct tests to improve code quality.
This listing has been machine translated. Show original
Job technologies
Your role in the team
- Build and maintain Android applications for card readers, SDKs, and the SuperApp, covering both new features and improvements to existing systems.
- Work on Bluetooth Low Energy connections, online and offline payment flows, and Tap to Pay functionality.
- Refactor and modernise legacy code to improve reliability, performance, and maintainability.
- Contribute to testing practices, including unit and integration tests, to raise overall code quality.
- Collaborate with peers and stakeholders across the team to manage priorities and shape solutions to technical challenges.
Our expectations of you
Qualifications
- Vertrautheit mit CI/CD-Pipelines, wie GitHub Actions, und Interesse an der Verbesserung von Build- und Release-Prozessen.
- Ability to adapt to ambiguity and shifting priorities, with strong communication skills for working independently with stakeholders.
Experience
- Several years of professional Android development experience, with solid proficiency in both Java and Kotlin.
- Starkes Wissen über Prinzipien der Clean Architecture und praktische Erfahrung in der Pflege von Android SDKs.
- Experience of writing unit and integration tests, and comfort refactoring legacy code without breaking existing functionality.
What we offer
- Opportunity to work with SumUppers globally on large-scale fintech products used by millions of businesses worldwide, from our Berlin office.
- This involves an office-first setup.
- Enrolment onto our Virtual Stock Option programme: you will own a stake in SumUp's future success.
- A dedicated annual L&D budget of €2000 for your individual development, which can be used to attend conferences and/or advance your career through further education.
- A corporate pension scheme where we match up to 20% of your contributions.
- Generous time off: enjoy 28 days of paid leave plus public holidays and special leave days.
- Numerous other benefits such as Urban Sports Club subsidy, Kita placement assistance, subsidised office lunches.
- Break4me: 1-month sabbatical after 3 years of service.
- Referral Bonus: earn additional rewards by referring talented individuals to join the SumUp team.
Benefits
Work-Life-Integration
Health, fitness & fun
Topics you will work on
Job locations
About your employer
Our mission as a global FinTech company is to build the world's first global card acceptance brand, empowering small businesses all over the world and helping them achieve their goals.
- English
- Established Company
- Onsite
- Internet, IT, Telecommunication
More jobs
These jobs might also interest you
Operation, monitoring, and further development of the network infrastructure. Administration and configuration of firewalls, routers, and switches. Ensuring network availability, performance, and security. Participation in IT security concepts and...
You’ll be joining at a stage where we’re building and evolving our new CRM platform. That’s exactly what makes this role special: you won’t just develop features—you’ll actively help shape the technical foundation of a modern CRM ecosystem. Together...
Area of responsibility “DRV Bund IT” is the service provider for Deutsche Rentenversicherung Bund, developing and operating a complex IT system landscape in close coordination with its customers. Our “IT4IT” domain provides IT departments across DRV...