Senior Backend Developer at Avaron AB in Solna, Sweden, with a hybrid work arrangement. You will join a team responsible for maintaining and modernizing business-critical case management applications used primarily by Customer Service. The focus is on lifecycle management, reducing technical debt, platform upgrades, and addressing lifecycle and security risks, including migrations from older .NET Framework and .NET Core versions to modern .NET platforms. You will migrate repositories and CI/CD pipelines from Azure DevOps to GitHub and GitHub Actions, identify outdated components and vulnerabilities, and ensure the applications remain stable, maintainable, and compliant. You will contribute to automated testing, code reviews, trunk-based development, and other quality-focused engineering practices, and you will use AI-assisted tools for coding, testing, troubleshooting, and documentation where they add value in a regulated environment. Requirements include strong backend experience with .NET/C#, databases, APIs, and enterprise systems; experience modernizing legacy systems; experience migrating to modern .NET platforms; experience with Azure DevOps to GitHub migrations; familiarity with automated testing, CI/CD, and trunk-based development; fluent Swedish and English. Nice-to-have: Windows Server migrations, knowledge of DevSecOps, Kubernetes, cloud-native platforms, and experience in regulated domains such as case management or KYC. Benefits include permanent employment, occupational pension, and a wellness allowance of SEK 5,000 per year.

Senior Backend Developer at Avaron AB in Solna, Sweden, with a hybrid work arrangement. You will join a team responsible for maintaining and modernizing business-critical case management applications used primarily by Customer Service. The focus is on lifecycle management, reducing technical debt, platform upgrades, and addressing lifecycle and security risks, including migrations from older .NET Framework and .NET Core versions to modern .NET platforms. You will migrate repositories and CI/CD pipelines from Azure DevOps to GitHub and GitHub Actions, identify outdated components and vulnerabilities, and ensure the applications remain stable, maintainable, and compliant. You will contribute to automated testing, code reviews, trunk-based development, and other quality-focused engineering practices, and you will use AI-assisted tools for coding, testing, troubleshooting, and documentation where they add value in a regulated environment. Requirements include strong backend experience with .NET/C#, databases, APIs, and enterprise systems; experience modernizing legacy systems; experience migrating to modern .NET platforms; experience with Azure DevOps to GitHub migrations; familiarity with automated testing, CI/CD, and trunk-based development; fluent Swedish and English. Nice-to-have: Windows Server migrations, knowledge of DevSecOps, Kubernetes, cloud-native platforms, and experience in regulated domains such as case management or KYC. Benefits include permanent employment, occupational pension, and a wellness allowance of SEK 5,000 per year.