Backend Engineer (C#/.Net)

Company Description

Everyone's story matters. Come shape your story with us at Riverty.

But where does that take you?

To one of our 30 hybrid workspaces – designed for exchanging ideas, learning from others, and shaping the way we work. An international community of over 4,000 people, representing almost 80 nationalities across 12 countries. United by one mission: Combining empathy, advanced technology and data-driven insights to keep people and businesses in flow. With payments made for them. So that they don't have to worry about it.

And there's more: We are part of the family-owned Bertelsmann group. Established. Corporate. In a fast-paced industry. We enable flexible payments in various industries, simplifying the financial management of known brands and helping people repay debt to build financial confidence. In short: shaping FinTech.

Job Description

We are looking for a

Backend Engineer (C#/.Net) (m/f/d)

Join our team at our location in Stockholm – hybrid working conditions available.

Our solutions contribute to flexible and customer-friendly payment alternatives. We offer consumers the opportunity to choose when and how they want to pay, whilst guaranteeing a steady and predictable cashflow for merchants. Our products make us proud, but not content and we have high ambitions for our existing as well as upcoming products. We have a strong commitment to building the future of FinTech — human-centric and sustainable.

You’ll be part of a product team building and evolving reliable, scalable software in a modern engineering environment. We’re looking for someone who enjoys solving complex problems, cares about code quality, and wants to have a real impact on both our products and engineering practices.

What You’ll Be Doing

• Design, develop, test, and ship robust, maintainable, and readable software, applications, APIs, and workflows
• Contribute to technical architecture design decisions

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• Work as part of an agile, cross-functional team and actively participat in Scrum ceremonies
• Analyze, discuss, and implement business requirements while maintaining good documentation of the systems and components you create
• Bring in industry standards and best practices to continually improve our codebase and architecture
• Make a positive impact on our engineering culture by adopting, implementing, and providing feedback on both organizational and industry standards and practices
  
  

Qualifications

What you bring:

• 5+ years of hands-on software engineering experience with C# and .NET
• Strong experience building and maintaining backend services
• A solid understanding of RESTful APIs
• Practical experience with data access patterns and ORMs, ideally Entity Framework
• Good knowledge of relational databases, preferably SQL Server
• Familiarity with distributed architectures, including service-to-service communication and asynchronous messaging
• Experience with cloud-hosted and containerized applications, ideally Azure and Docker; Kubernetes is a plus

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• Experience troubleshooting application issues using logs and monitoring tools
• Practical experience using AI-assisted development tools (e.g. GitHub Copilot, Claude Code, Cursor) to speed up coding, testing, and debugging, along with sound judgment about when and how to rely on AI-generated output.
• Exposure to Infrastructure as Code practices is a plus
• Fluent English
• FinTech or banking domain knowledge is a big plus
  
  

Please note: you need to have EU citizenship or a valid work permit for Sweden.

Additional Information

Disclosure requirements pertaining to the collection of your personal data:

Responsible for processing the information provided in your application is the company specified in the job advertisement, with its registered office as indicated. The company processes your data for the purpose of establishing an employment relationship on the basis of Art. 6 (1) b GDPR / Section 26 (1) sentence 1 BDSG.

The retention period for your data is determined by the statutory time limits applicable in the respective country, beginning upon completion of the recruitment process. You can find these here.

You can contact the company’s Data Protection Officer at the above-mentioned postal address.

Further information on data protection and your rights can be found here.

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