Senior Backend Engineer

Do you want to make a difference by using your technical skills to create innovative payment solutions?

At TF Bank and Avarda, you have the opportunity to be part of an exciting journey where we are building a cutting-edge platform that is transforming how e-commerce merchants handle payments. As a Senior Backend Engineer, you will play a key role in designing and developing our backend systems with a focus on scalability and performance.

Why should you join us?

We offer more than just a technical challenge – you will be part of a team building the payment solutions of the future with modern and unified technology. Here, you can grow both technically and culturally as we shape stronger work processes and develop innovative solutions for future products. We are building a modern platform that supports both existing and future products, and you will be part of creating a stronger company culture and more efficient working methods.

Our backend platform is based on .NET microservices, primarily hosted in Azure. The core of our system is Corniche, an API-driven core banking system that handles all financial transactions.

We have a distributed tech team with colleagues in Borås, Stockholm, Gdansk, Malaga, and a partner in the Czech Republic. Our payment and card services are used in 13 European markets, and travel may be required.

Your responsibilities:

• Design and develop microservices and their architecture with .NET Core.
• Work with cloud-based solutions and ensure robust and reliable services using Azure Cloud Native.
• Ensure continuous integration, delivery, and deployment using Kubernetes, Docker, and Azure Pipelines.
• Optimize systems and applications for high performance and reliability.
• Implement logging and observability using OpenTelemetry.
• Coach junior developers and actively participate in technical and architectural decisions.

We believe you have:

• At least 7 years of software development experience, particularly in C#, .NET Core, and Azure.
• Documented experience working with transaction-intensive systems and agile development processes.
• Deep competence in system architecture, with experience in designing and maintaining microservices.
• Experience working with distributed teams and integrating complex technical systems.
• Experience in e-commerce, payment solutions, or finance is a plus, as well as knowledge of systems like Corniche, Mambu, or similar.
• Proficiency in both spoken and written Swedish and English.