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.NET Backend Developer | SEB, Solna

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Technology & Data Chief Operating Officer
Apply before
1 June 2026
Location
Solna
hybrid
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Join us in building SEB’s next‑generation payment platform on a modern and future‑proof tech stack. 

Since SEB was founded in 1856, our focus on customers and long-term relationships has been at the heart of our success. We aim to drive positive change by providing capital to help everyone reach their goals and accelerate progress towards a sustainable tomorrow. As a leading financial services group in northern Europe, we'll help you grow and empower you to take on more responsibility to create a real difference. Welcome to SEB. 

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. 

“Working with the new payment platform means working with modern tech that truly impacts millions of customers every day.” 
 
 

To thrive in this role, we believe you have: 

 

  • Strong experience building and operating backend services using .NET/C#, with a solid understanding of microservice architectures and distributed systems. 

  • Proven ability to design, optimize, and operate data‑intensive systems, including schema design, performance tuning, and production troubleshooting in MS SQL Server–based environments. 

  • Deep understanding of database performance and reliability, including indexing strategies, query optimisation, and handling production issues. 

  • Hands‑on experience designing and working with asynchronous messaging and event‑driven systems, using Kafka, IBM MQ, or similar technologies. 

  • Practical experience running services in containerised and orchestrated environments (Docker, Kubernetes/OpenShift), with awareness of scaling, resilience, and failure modes. 

  • Experience contributing to or owning CI/CD pipelines and deployment automation, with a focus on safe, repeatable releases. 

  • A collaborative engineering mindset, with a willingness to share knowledge, learn continuously, and improve how the team builds and runs software. 

  • 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?  

Itis 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, but no later than 2026-06-01. 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. 

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