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# Backend Engineer - Transfers Gateway

- **Company:** Sumup
- **Location:** Berlin, Germany
- **Salary:** €41,916.0 - €55,884.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Architectural Patterns, Cloud Computing, Code Coverage, Software Quality, Code Review, Systems Architecture, Backend, Containerization, Api Design, Golang
- **Published:** August 5, 2026
- **Apply:** https://de.indeed.com/viewjob?jk=ea82b93d654966e7

## About the Role

Have experience building backend services in a modern environment and supporting them in production.

You are proficient in Golang and and comfortable learning and working with other languages as needed

Are comfortable working with cloud-based systems, containerized workloads, and automated delivery pipelines.

Raise well-scoped pull requests, conduct thorough code reviews, and help maintain high standards of code quality and test coverage across the team

Understand the fundamentals of system architecture, data modelling, and API design, and are eager to deepen this knowledge.

Are curious about how your work fits into the broader system and product experience.

Communicate clearly and collaborate effectively with engineers, product managers, and other stakeholders.

Any of the following would be considered a plus

Exposure to banking, payments, or financial systems, especially in regulated environments.

Experience supporting systems with production traffic, including participating in incident response.

Use of AI-assisted tools to improve development speed, learning, or code quality.

## Description

Build and maintain production money movement backend services, contributing to their delivery, observability, and ongoing maintenance.

Own and deliver end to end features, and contribute to larger projects within the team's domain.

Contribute to technical design and implementation, following established architectural patterns and best practices.

Improve service reliability and quality by writing tests, enhancing monitoring, and following established delivery pipelines.

Support the operation of the systems you work on by participating in on-call rotations, incident response, and learning from post-incident reviews.

Apply a backend and systems perspective during refinement, raising questions about risks, dependencies, and edge cases.

Collaborate closely with Product, QA, and other engineers to deliver end-to-end transfer and banking capabilities.


## Related Videos

- [API Design - Getting Started](https://www.wearedevelopers.com/videos/33-api-design-getting-started)
- [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider)
- [Go with the Flow: Stop the Leaks Before Your Memory's a Waterfall!](https://www.wearedevelopers.com/videos/100073-go-with-the-flow-stop-the-leaks-before-your-memory-s-a-waterfall)
- [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock)
- [Rest API Antipatterns](https://www.wearedevelopers.com/videos/100208-rest-api-antipatterns)
- [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape)

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