As part of Mjølner Informatics, you'll join a company with a strong technical culture, a people-first mindset, and exciting opportunities ahead as we become part of Accenture, while still maintaining the collaborative and down-to-earth culture that defines Mjølner today.

Why Mjølner?

At Mjølner, you'll find a strong technical community, a high degree of trust, and the freedom to take ownership of your work while continuing to grow professionally.

What you'll get

- Competitive salary
- Yearly bonus
- Private health insurance
- 30 business days of vacation
- Hybrid setup with a minimum of 2 days per week in our central Madrid office
- A culture that genuinely values work-life balance and flexibility
- Possible trips to Denmark to collaborate with colleagues and experience our culture firsthand
- Strong professional communities and guilds within Backend, Frontend, Architecture, Security, and more
- Opportunities to influence technical decisions and continue developing your expertise
- A people-first culture where you'll grow as a developer while making a real impact

Your day-to-day

You'll join a variety of projects for Danish and international clients, working closely with developers, consultants, and project managers across our Spanish and Danish offices.

Most of our projects are built on .NET, Azure, and modern cloud-native technologies, but industries, project scopes, and technical challenges vary. We value freedom with responsibility, so you'll have significant influence over how you structure your work and solve technical challenges.

You'll also have the opportunity to share knowledge,



attend technical meetups, and contribute to our professional communities.

What you'll bring

- University degree in Computer Science, Software Engineering, or a related field (or equivalent professional experience)
- Minimum 5 years of experience as a .NET developer, with solid expertise in C# and the .NET ecosystem
- Experience with backend architecture and design patterns, including building and maintaining RESTful APIs
- Solid understanding of relational databases and experience with data modelling and query optimisation
- Experience with microservices, containerisation, and cloud environments (Azure and/or AWS)
- Familiarity with Azure DevOps, Terraform, Kubernetes and/or CI/CD pipelines is an advantage
- High proficiency in English, both written and spoken
- Familiarity with AI tools and technologies, and the ability to leverage them effectively in day-to-day work
- A curious, solution-oriented mindset and a genuine interest in continuous learning and technical growth

About Mjølner

Mjølner is an IT consultancy and software house with offices in Denmark and Spain. We are around 400 specialists helping customers solve complex business challenges through technology.

Founded in 1988,



we've combined deep technical expertise with a people-first approach, helping our customers turn complex challenges into high-quality software solutions.

Interested?

If you'd like to learn more about the position, please contact Department Manager Asmae Arsmouk at [email protected].

We look forward to hearing from you!

Application due

Start date

As soon as possible

Workplace

Goya 8, 1st floor 28001 Madrid

Position type

Work hours

Homepage

https://mjolner.dk

Contact

Asmae Arsmouk

Manager

We develop your business through IT - together

Mjølner is an IT house specializing in software, digitalization, and end-to-end solutions. Although we love technology, we put business first. At our offices in Aarhus, Copenhagen, Silkeborg, Kolding, and Madrid, we are a collective of 400 specialists.

When the task is challenging, and the solution is not obvious, we are a good choice. This has been the case since nine computer scientists from Aarhus University founded Mjølner in 1988. Since then, we have turned customers’ complex challenges into concrete, high-quality IT solutions.

Like the famous hammer whose name we bear, we hit the mark – and come back stronger. We have the best colleagues because we offer a work home. An environment characterized by community, good professional dialogues, and a strong culture. We enjoy going to work, but we also value our leisure time and understand the importance of balance.

We get it, you got it. We are quick on our feet, heavy on knowledge, and strong on execution.

📌 Senior .NET Developer (España)
🏢 Mjølner Informatics
📍 España