17 hours ago
Berlin, GermanySenior
Responsibilities
- Build new item-catalog features for the SumUp SuperApp.
- Improve application architecture and contribute to the Kotlin Multiplatform strategy.
- Enhance and maintain the unified Android app distributed across more than 60 countries.
- Identify product improvement opportunities and contribute to daily product decisions.
- Write documentation and implement robust feature testing before release.
- Collaborate with designers, product managers, and Android engineers to deliver a unified cross-platform user experience.
- Coach and mentor other engineers.
Requirements
- At least 8 years of mobile engineering experience with Android and Kotlin.
- At least 2 years of experience with Jetpack Compose.
- Strong understanding of software design patterns such as MVVM and MVI.
- Expertise building modular, scalable application architectures.
- Good knowledge of reactive programming, including Flow, Coroutines, and concurrency.
- Strong understanding of testing best practices and how to write resilient tests.
- Commitment to clean code and balancing pragmatism with perfection.
- Interest in multiplatform development using Kotlin Multiplatform.
Benefits
- On-site work in Berlin.
- Diversity, inclusion, collaboration, learning, and growth-focused work environment.
- Regular training, mentorship programs, SumUp University leadership cohort, and a yearly EUR 2,000 learning budget.
- 28 days of paid leave plus one additional day for the employee’s birthday.
- Sabbatical program for tenured employees.
- In-house fitness classes, office gym, subsidized Urban Sports Club, and psychotherapy sessions.
- Subsidized public transport card, childcare placement assistance, pension scheme, and language-learning courses or platforms.
- Virtual stock ownership program.
- Employee Resource Groups and diversity and inclusion initiatives.
Tech Stack
Categories
Mobile
About SumUp
SumUp builds card readers, point-of-sale apps, and payment tools for small businesses, along with accounts, invoicing, and online checkout. It sells hardware and earns fees on payment processing and subscriptions for software and services such as invoicing and loyalty. Founded in 2012 and headquartered in London, the company serves more than 4 million merchants across 30+ markets, and offers options like payment links and Tap to Pay.