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Senior .Net Developer

Development Team

On behalf of our Client from Denmark , Mobilunity is looking for a  Senior.Net Engineer.

Our client is a well-established European company operating in the construction and infrastructure space, delivering innovative digital solutions that support operational efficiency and project execution. With a strong focus on reliability and long-term partnerships, the company is continuously evolving its internal platforms to better serve both business and end users.

We are looking for a Senior .Net Developer to join a growing engineering team responsible for maintaining and improving core business systems. This is a hands-on role focused on building and enhancing APIs, resolving real-world production issues, and ensuring system stability and performance.

You will work closely with support and cross-functional teams, contributing directly to the reliability and scalability of business-critical applications.

Responsibilities:

  • Design, develop, and maintain backend services and APIs
  • Troubleshoot, debug, and resolve production issues in a timely manner
  • Analyze root causes of system problems and implement sustainable solutions
  • Optimize application performance and database interactions
  • Collaborate closely with support teams to address real user issues
  • Contribute to continuous improvement of system stability and code quality
  • Participate in code reviews and follow best engineering practices

Requirements:

  • Strong experience in backend development
  • Solid knowledge of .NET (C#, ASP.NET Core)
  • Experience working with SQL databases (e.g., MS SQL Server), including:
    • Writing complex queries
    • Stored procedures
    • Performance optimization
  • Understanding of RESTful APIs and web services
  • Experience with Git or similar version control systems
  • Good understanding of software architecture principles and design patterns
  • Strong debugging and troubleshooting skills in production environments
  • Strong English level

Will be a plus:

  • Experience with Docker or containerization
  • Familiarity with PostgreSQL and basic Linux knowledge
  • Exposure to CI/CD pipelines and automation practices

 

In return we offer:

  • The friendliest community of like-minded IT-people
  • Open knowledge-sharing environment – exclusive access to a rich pool of colleagues willing to share their endless insights into the broadest variety of modern technologies
  • Mobilunity Medical Insurance program designed to attend our teams’ needs
  • Paid vacations and sick leaves, including 5 paid days per year that don’t require a sick note
  • No open-spaces setup – separate rooms for every team’s comfort and multiple lounge and gaming zones on all of the 3 floors
  • English classes in 1-to-1 & group modes with elements of gamification
  • Neverending fun: sports events, tournaments, music band, multiple affinity groups

Come on board, and let’s grow together!

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