Vacant job

C#/.NET System Developer – Sundsvall

Location: Sundsvall | Duration: 2026-09 – 2027-12 (option until 2028-09-01) | Scope: 100%

We are looking for an experienced System Developer to step into an ongoing assignment with our client, who is modernizing their in-house developed systems. You will become an integral part of the entire development chain – from design and development to testing – within an agile team, working on both frontend and backend tasks.

Development is primarily conducted in C# .NET against a central SQL Server database. The environment is distributed and message-based, featuring both synchronous and asynchronous communication. Azure DevOps is used as a development support tool.

We are looking for you who are a driven team player, take ownership of your work, and contribute to the team's development. You will document according to the client's guidelines and ensure knowledge transfer to designated personnel.

Preferred Qualifications: NServiceBus, Blazor, Elastic (logging), Clean Architecture

Must-have Requirements:

• Competence Level 4 (9–12 years of experience)
• Minimum 9 years as a System Developer, with a focus on backend/API in C# .NET
• Minimum 9 years with distributed systems and message-based IT solutions
• Minimum 4 years with Azure DevOps
• Minimum 4 years with SQL Server

Nice-to-have Requirements:

• Minimum 4 years with NServiceBus or equivalent
• Minimum 4 years with Blazor or equivalent
• Minimum 4 years with integration to central logging (e.g., Elastic Search)
• Minimum 4 years with Clean Architecture
• Minimum 4 years with automated testing