Senior .NET Backend Engineer — Nordic Payment Platform

SEB; Pargas; Hybrid; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Hybrid work model

Competitive compensation

Pension

Insurance

Wellness allowance

Employee banking benefits

Job summary

SEB is seeking a senior backend engineer to design, build, and operate a new Nordic payment platform. You will work on reliable, high-performance systems, focusing on .NET/C# backend, SQL Server optimization, and distributed architectures in a cross-functional team.

Hybrid work model with offices across Stockholm and Vilnius, plus exposure to modern engineering practices and automation. English proficiency required; Swedish a plus.

Qualifications

• Strong background in .NET/C# backend development.
• Strong SQL Server and database optimization skills, including performance tuning, indexing and troubleshooting.
• Solid understanding of distributed systems and data-intensive applications.
• Hands-on experience with event-driven architectures and messaging platforms such as Kafka or IBM MQ.
• Hands-on experience with container platforms like Docker, Kubernetes, OpenShift.
• Experience with infrastructure and deployment automation.
• Ability to own solutions through their lifecycle from development to production.
• Strong communication skills and a collaborative mindset.
• Professional English proficiency; Swedish is a plus.

Responsibilities

• You design, build, and operate scalable systems in production.
• You own services end-to-end, from development to production and maintenance.
• You contribute to reliability, observability, and production quality through automation.

Skills

NET/C# backend

SQL Server

Distributed systems

Event-driven architectures

Kafka/IBM MQ

Docker/Kubernetes/OpenShift

Automation

Ownership

Communication

English

Tools

Kafka

IBM MQ

Docker

Kubernetes

OpenShift

Job description

SEB is seeking a senior backend engineer to design, build, and operate a new Nordic payment platform. You will work on reliable, high-performance systems, focusing on .NET/C# backend, SQL Server optimization, and distributed architectures in a cross-functional team.

Hybrid work model with offices across Stockholm and Vilnius, plus exposure to modern engineering practices and automation. English proficiency required; Swedish a plus.