Senior Software Developer - AI-Driven, Scalable Backend

BAETTR A/S; København; On-site; DKK 900,000 - 1,300,000; Full time

Job summary

Dalux is seeking an Experienced Software Developer to join the Tender team in Copenhagen. You will own complex features end-to-end, design scalable solutions, and influence architecture while collaborating with product management and design.

You will help modernize a core product area used in construction projects, contribute to AI-driven development practices, and mentor others. A strong background in C#/.NET and full-stack skills are valued.

Qualifications

• Extensive experience coding in C#/.NET and delivering full-stack features.
• Strong design and architectural sense for complex systems.
• Experience with modernizing established software platforms.
• Familiarity with Domain-Driven Design or modular architectures.
• Mentoring others and sharing knowledge on engineering practices.
• Hands-on experience with AI-assisted development tools and workflows.

Responsibilities

• Own complex features end-to-end from idea to production.
• Design and implement scalable, maintainable solutions.
• Contribute to architectural decisions and technical direction.
• Improve structure of the codebase and reduce technical debt.
• Mentor teammates and collaborate with Product Management and Design.
• Bring AI tools and workflows into the development process.

Skills

C# / .NET

Angular / TypeScript

Full-stack

Code quality

AI-assisted development

Tools

MSSQL

Elasticsearch

AWS

Job description

Dalux is seeking an Experienced Software Developer to join the Tender team in Copenhagen. You will own complex features end-to-end, design scalable solutions, and influence architecture while collaborating with product management and design.

You will help modernize a core product area used in construction projects, contribute to AI-driven development practices, and mentor others. A strong background in C#/.NET and full-stack skills are valued.