Senior .NET Backend Engineer — Back Office

Norlys Energy Trading A/S; Aalborg; On-site; DKK 700,000 - 1,000,000; Full time

Job summary

Norlys Energy Trading A/S is seeking a senior .NET developer to join the Back Office, Client Solutions team. You will work closely with users to translate complex business needs into reliable software that supports critical processes across the organisation.

You will design, develop, test, and optimize backend solutions, provide operational support, and automate workflows, while maintaining clear code documentation and strong collaboration with domain experts.

Qualifications

• 5+ years of experience with C# and .NET in modern development environments.
• Experience building robust backend solutions and integrations.
• Expert understanding of API design, system integration patterns, and relational databases.
• A relevant degree (e.g. Computer Science, Software Engineering) or equivalent professional experience.
• Ability to communicate clearly with both technical and non-technical stakeholders.
• Curiosity and motivation to learn the business domain.

Responsibilities

• Design, develop and test new software solutions.
• Optimize and enhance existing software to support evolving business needs.
• Support daily operations within Back Office, Client Solutions.
• Improve and automate workflows and processes through software solutions.
• Manage and maintain code documentation.

Skills

C# & .NET

Backend development

API design & integration

Relational databases

Clear communication

Education

Bachelor's degree in Computer Science or equivalent

Tools

Git

CI/CD

Job description

Norlys Energy Trading A/S is seeking a senior .NET developer to join the Back Office, Client Solutions team. You will work closely with users to translate complex business needs into reliable software that supports critical processes across the organisation.

You will design, develop, test, and optimize backend solutions, provide operational support, and automate workflows, while maintaining clear code documentation and strong collaboration with domain experts.