at SEB
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**Senior .NET Back-End Solution Developer | SEB, Vilnius** - Design, build, and modernize mission-critical payment systems using .NET Core, Kafka, MS SQL, OpenShift, and Kubernetes. - Collaborate cross-functionally to deliver secure, scalable, high-performance services aligned with SEB's long-term payment strategy. - 7+ years of professional experience in C#, .NET, microservices, and event-driven architecture; proficiency in English. - Familiarity with messaging systems, high-load banking integrations, and SRE practices is a plus. - Join SEB's Payment Roadmap area, driving transformation and influencing how payments evolve for millions of customers. - Enjoy a competitive monthly salary range (3800 € - 5500 €), entrepreneurial working culture, and international collaboration. - Apply by July 29, 2026 (open for early applications).
- Compensation
- €3,800 – €5,500 EUR
- City
- Vilnius
- Country
- Lithuania
Currency: € (EUR)
Full Job Description
Senior .NET Back-End Solution Developer | SEB, Vilnius
Categories
Technology & Data Chief Operating Officer
Apply before
29 July 2026
Location
Vilnius
hybrid
Apply for this job
Are you excited about building modern, resilient systems that sit at the heart of banking? Do you want to join one of SEBs most business-critical product roadmap and influence how payments evolve for millions of customers?
At SEB, we are shaping the next generation of payment capabilities. Our Payment Roadmap area drives one of the banks most important transformation journeys renewing core services, enabling real-time processing, and building future-proof architectures. If you want your work to matter, this is the place.
With technology as our foundation, we provide world-class services across SEB Group in 20 locations worldwide. With us, you join a community of 2800+ professionals who challenge old ways of working, adopt modern engineering practices, and innovate for a sustainable digital tomorrow.
About the role
As a Senior Back-End (.NET) Solution Developer, you will be part of a cross-functional team responsible for designing, developing, and modernizing mission-critical payment capabilities. You will work closely with architects, product owners, and engineering teams in Vilnius and Stockholm to deliver secure, scalable, and high-performance services aligned with SEBs long-term payment strategy.
Our Technology Stack
As a Back-End (.NET) Developer on our team, youll work with a modern, cloud-native ecosystem built for scale, reliability, and continuous delivery.
Backend & Messaging:
NET Core for building high-performance services
Kafka and IBM MQ for event-driven and message-based integrations
MS SQL for robust and scalable data storage
Cloud & Containerization:
OpenShift, Docker, and Kubernetes as the foundation for deploying and orchestrating microservices
CI/CD & Code Quality:
GitHub Actions for automated build and deployment pipelines
SonarQube for code quality and security checks
Monitoring & Observability:
Splunk, Prometheus, and AppDynamics for proactive monitoring, alerting, and performance insights
You will play a key role in:
- Designing and building back-end services and APIs for payment flows
- Modernizing existing systems and contributing to SEBs strategic Payment Roadmap
- Ensuring system reliability, performance, and resilience under high load
- Driving engineering best practices and code quality improvements
- Contributing to architectural decisions and solution design
- Supporting CI/CD, DevOps, observability, and operational excellence
This is an opportunity to directly shape one of the banks most critical domains while working with modern technologies and large-scale distributed systems.
To thrive in this role, we believe you have:
- Professional experience with C# and .NET Core, building production-grade systems
- Experience with microservices, distributed systems, and event-driven architecture
- Hands-on experience with Kafka, messaging systems, or streaming technologies
- Good knowledge of MS SQL and performance-focused database design
- Experience working with containerized solutions (Docker, OpenShift, Kubernetes)
- Experience building and maintaining CI/CD pipelines (GitHub Actions or similar)
- A proactive mindset with strong ownership and problem-solving skills
- Ability to collaborate effectively in a cross-functional Agile team
- Fluency in English
- Experience using LLMs as part of your development workflow, either professionally or through personal projects
Bonus points if you also have:
- Experience in high-load or business-critical financial systems
- Familiarity with payment standards or banking integrations
- Experience with observability, monitoring, or SRE-aligned practices
What we offer:
- Entrepreneurial Scandinavian working culture
- A modern engineering environment with the freedom to influence architecture and technology choices
- International collaboration with teams across SEB Group
- Long-term stability, opportunities for growth, and internal mobility
- Extensive training, learning programs, and professional development
- Worklife balance and flexible hybrid work model
- Access to SEB staff banking with exclusive benefits
3.800 - 5.500 a month
The above indicated range is the monthly salary range for this position before tax deduction. The final offer will depend on the experience and competencies of the selected candidate. Overall remuneration package consists of the salary together with other benefits.
Ready to join SEB?
Be part of a team building the future of payments at SEB.
We are looking forward to your application by July 29th, 2026.
Since we select candidates continuously, feel free to send in your application before the deadline.
Learn more about working at SEB here: Technology | SEB
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.
#GSV
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