SumUp enables businesses to get paid easily, process orders quickly, sell online instantly and manage their money more efficiently. We create the tools businesses need to make their business and their customer experience thrive. And we love it!:)

The payout platform is a key part of our proprietary payments processing platform. It is responsible for processing global SumUp payouts for millions of customers. 

We are currently scaling and re-writing it in Java. You would have the opportunity to participate in the design and development of the new platform towards event-driven microservices architecture. 

We strive to base our architecture decisions only on solid team discussions, validated arguments, and proof of concepts if needed. Therefore, we do not adhere to any specific ideology, but instead aim to use the technology that is needed for each specific use case. As such, our tech stack is very diverse, currently including:

A minimal Java setup with a RestEasy JAX-RS implementation over an embedded HTTP server and JDBC Spring Boot Kafka Streams VueJS Ruby

At SumUp our local cross-functional teams are empowered to bring their ideas to life through autonomy and no-blame culture. We believe in building projects around motivated individuals, giving them the environment and support they need, and trusting them to get the job done.

What you’ll do

Co-design and develop the new payout platform Participate in API design and implementation for both internal APIs and those exposed to our third-party integrators Help your team to deliver business value by taking decisions related to back-end and actively participating in the product discussions Provide comprehensive documentation, good test coverage, and improve code quality Optimize application performance and scalability through active monitoring Collaborate with other software developers, QA and DevOps engineers to ensure smooth deployment, continuous integration, and support for the software that we deliver Actively participate in code reviews with other software engineers

 You’ll be great for this role if

You have relevant experience with Java, Postgres/RDBMS You have experience with distributed and fault-tolerant systems You have a passion for clean, maintainable and testable code You have a good understanding of software architecture and application design

Any of the following would be considered a plus

You have experience with Docker and/or Kubernetes, Kafka/other messaging systems You feel comfortable with Unix/Linux environments and DevOps practices (CI/CD, etc)

 Why you should join SumUp