Senior Software Engineer - Build AI-Driven Seller Platform

Auction Group A/S (AutoProff); Vejle; On-site; DKK 900,000 - 1,300,000; Full time

Job summary

AutoProff is seeking a Senior Software Engineer to join our Technology team in Vejle. You will work on a unified seller solution that powers vehicle intake, pricing, and listing flows across Europe, collaborating with international colleagues.

You will design, develop, and maintain high-quality code using .NET/C# and object-oriented design, while applying best practices for distributed and event-driven architectures and databases.

Qualifications

• Proven ability to thrive in environments that value adaptability and ownership.
• Experience with .NET and C# required.
• Strong understanding of OO programming, distributed systems and event-driven architecture.
• Experience with relational or NoSQL databases.
• Fluent business English (spoken and written).
• Open to learning new technologies quickly.
• Ability to troubleshoot, debug and propose solutions.
• Knowledge of GenAI, its risks, and safe production use.

Responsibilities

• Design, develop, and maintain efficient, reusable, and reliable code.
• Collaborate in a dynamic, international team.
• Promote a culture of ownership: you build it, you own it.
• Mentor colleagues and share knowledge.
• Ensure code quality, testing, and maintainability.

Skills

Net/C#

Object-oriented programming

Distributed systems

Event-driven architecture

Relational databases

No-SQL databases

Business English

GenAI governance

Problem solving

Learning new technologies

Tools

AWS Infrastructure

Job description

AutoProff is seeking a Senior Software Engineer to join our Technology team in Vejle. You will work on a unified seller solution that powers vehicle intake, pricing, and listing flows across Europe, collaborating with international colleagues.

You will design, develop, and maintain high-quality code using .NET/C# and object-oriented design, while applying best practices for distributed and event-driven architectures and databases.