Senior .NET Engineer - Microservices & AI Integrations

Twoday A/S; København; On-site; DKK 700,000 - 950,000; Full time

Benefits offered by this job

Permanent position

Challenging first assignment

Societal value solutions

Skilled colleagues

Professional development

Job summary

Twoday A/S is seeking a Senior .NET Developer to join a permanent, Copenhagen-based engagement with a major Danish public-sector organisation. You will work on a platform with microservices, APIs and integrations.

The role emphasizes autonomy, architecture input and collaboration with customers, delivery partners and developers, including AI-assisted development tools and Azure DevOps pipelines.

Qualifications

• 5+ years of .NET development experience in enterprise settings.
• Experience with microservices, APIs and integrations.
• Experience with RabbitMQ or similar messaging technologies.
• Familiarity with Azure DevOps and CI/CD pipelines.
• Ability to write clear technical documentation and tests.

Responsibilities

• Developing and maintaining solutions in C# and .NET.
• Designing and implementing microservices, APIs and integrations.
• Working with RabbitMQ and message-based communication.
• Ensuring robust error handling, logging, monitoring and traceability.
• Reviewing technical proposals and advising the customer on solutions.
• Driving technical clarifications across systems and stakeholders.
• Taking responsibility from design through implementation and release.
• Developing and maintaining automated tests.
• Supporting CI/CD pipelines and Azure DevOps processes.
• Producing clear and useful technical documentation.
• Using AI-assisted development tools to increase delivery speed and quality.

Skills

C# and modern .NET

Microservices and distributed systems

REST APIs and system integrations

RabbitMQ or comparable messaging

Error handling and resilient patterns

Automated testing

Azure DevOps and CI/CD

Logging, monitoring and traceability

Technical documentation

AI-assisted software development

Job description

Twoday A/S is seeking a Senior .NET Developer to join a permanent, Copenhagen-based engagement with a major Danish public-sector organisation. You will work on a platform with microservices, APIs and integrations.

The role emphasizes autonomy, architecture input and collaboration with customers, delivery partners and developers, including AI-assisted development tools and Azure DevOps pipelines.