Senior .NET Backend Engineer (Payments & Reporting) | SEB, Solna

Join us in building SEB’s next ‑ generation payment platform on a modern and future ‑ proof tech stack. SEB is more than a bank. We are a technology-driven financial institution where everything starts from our customer needs and business outcomes. AI, data and modern engineering are natural parts of how we work, build and deliver value. From core banking platforms to agentic AI , automation, cybersecurity and cloud, we offer a broad tech landscape and many paths to grow. Together, we are shaping secure, responsible and future- proof solutions for our customers and society. Are you ready to take on a new challenge? About the role As a .NET Developer in Payments & Reporting, you will be part of a cross ‑ functional team working to build SEB’s new payment platform — one of our highest ‑ priority initiatives. You’ll work with a modern microservices landscape and a young codebase, using technologies such as .NET 10, Kafka, IBM MQ, Redis, and MS SQL. Our container and orchestration environment includes Docker, Kubernetes, and OpenShift. Together with colleagues in Stockholm and Vilnius, you’ll contribute to shaping scalable, secure, and resilient payment solutions for the future. To thrive in this role, we believe you have: Strong experience d eveloping and maintaining backend services using .NET/C# , with a solid understanding of microservice architectures and distributed systems. Extensive SQL Server experience and are comfortable working with large, complex databases. Hands-on experience developing, improving, and troubleshooting complex stored procedures and dynamic SQL. Experience with asynchronous messaging and event-driven architectures using Kafka, IBM MQ, or similar technologies. Experience running services in containerized environments using Docker, Kubernetes, or OpenShift. Experience contributing to or owning CI/CD pipelines and deployment automation Genuine curiosity for AI and emerging technologies, with a willingness to experiment and learn continuously Strong communication skills, with fluency in English; Swedish is a plus What we offer: Impact at scale – Play a key role in building SEB’s next ‑ generation payment platform used by millions of customers across the Nordics. Modern technology landscape – Work hands-on with .NET 10, Kafka, IBM MQ, Redis, MS SQL, Docker, Kubernetes, and OpenShift in a young, fast ‑ evolving codebase. Clear product vision & roadmap – Be part of a long-term strategic initiative with strong business backing and a shared roadmap across multiple teams. Combine focused remote work with meaningful in ‑ office collaboration — 3 days per week on site. Great benefits – Competitive compensation, pension, insurance, wellness allowance, and employee banking benefits. International collaboration – Work closely with colleagues in both Stockholm and Vilnius in a diverse, cross ‑ functional setup. Ready to Join ? It is our fundamental belief that inclusion and diversity is crucial for our future success. We strive to have an inclusive, value-driven culture where employees feel valued, respected, and involved irrespective of who they are, what they believe or where they come from. Since we select candidates continuously, feel free to send in your application today via the link in this ad, bu t no later than 2026-09-15. If you have questions about the position, please contact Kristina Meller at kristina.meller@seb.se , note that we will not process applications via email. Please be aware that our final candidates undergo background checks, a process that includes for example identity control, verification of qualifications, credit checks, company engagements and history of crime. In some cases, we also apply random drug checks. During employment, employees within SEB can also expect to undergo recurring background checks. SEB Sweden has a redeployment responsibility, which means that this position might be covered by internal redeployment.