Senior Fullstack Engineer - Automotive Tech Innovator

Auction Group A/S (AutoProff); Vejle; On-site; DKK 900,000 - 1,200,000; Full time

Job summary

AutoProff in Vejle is seeking a Senior Fullstack Software Engineer to join our Technology team. You will design, develop, and maintain backend, web frontend, and mobile solutions that power how vehicles enter and move through our platform, using .NET, C#, and modern design patterns.

You’ll work in an international, developer-friendly environment with opportunities to mentor peers, explore new technologies, and contribute to a fast-growing European B2B used-car ecosystem.

Qualifications

• Strong hands-on experience building backend services with .NET and C#.
• Sound knowledge of object-oriented programming and databases.
• Ability to troubleshoot problems and take ownership of software in production.
• A collaborative and adaptable mindset with focus on shared ownership.
• Good communication skills and fluency in business English.

Responsibilities

• Work in a dynamic and international environment with experienced colleagues.
• Design, develop, and maintain backend, web frontend and mobile solutions with best practices.
• Drive a culture of 'you build it - you own it'.
• Identify areas for personal development and growth.
• Mentor and coach co-workers on topics you master.

Skills

.NET/C#

Backend development

OOP

Databases

English communication

Tools

React Native

Vue 3

TypeScript

AWS

Job description

AutoProff in Vejle is seeking a Senior Fullstack Software Engineer to join our Technology team. You will design, develop, and maintain backend, web frontend, and mobile solutions that power how vehicles enter and move through our platform, using .NET, C#, and modern design patterns.

You’ll work in an international, developer-friendly environment with opportunities to mentor peers, explore new technologies, and contribute to a fast-growing European B2B used-car ecosystem.