Senior Full Stack Developer – Build the next generation Defence Training platform 

Are you a seasoned full stack developer who wants to own complex technical decisions, influence architecture, and build software that is used in real-world high-impact training scenarios? Then go ahead – read more about us 

The position  
At Systematic, we’re expanding our Defence Aspire team and are looking for an experienced Senior Full Stack Developer to join us and take an important role in working with our product SitaWare Aspire  – our next-generation training platform designed for modern Defence operations.

Joining us as our new Senior Full Stack Developer, you will take ownership of complex   feature development and work closely with Architects to shape technical solutions and influence architectural direction. You will have a great opportunity to make your mark on the product and influence how the team operates.

In short, your key tasks will be:  

• An active role in decision-making, development, and implementation of new custom-requested functionalities or features 
• Drive code quality and technical excellence through code reviews, inspections, and active knowledge sharing across teams 
• Optimize our build/deployment pipeline, increasing liability, automation, and deployment efficiency
• Design and build cloud-native services in Azure, leveraging platform capabilities to create scalable and maintainable solutions
• Define and evolve development best practices, collaborating with the team to identify and implement optimal technical solutions 
• This is a true full-stack role with a primary focus on backend and cloud services, combined with frontend development where it creates the most value for the end user and overall training experience

Join the Aspire team

We are growing our department with teams in Copenhagen and in Aarhus, and you can join us on both locations.  Hence, you will join a growing Defence business, where we develop software that support critical decision-making when it matters the most.  

We can offer you:

• Meaningful mission – Contribute to Defence tech that enhances real-world operational readiness  
• A role with impact – shape architecture, technical standards, and engineering practices for a fast-growing platform
• International, collaborative culture – Work alongside skilled teams across multiple locations

Your qualifications  

Beyond technical skills, we value collaboration, knowledge-sharing, and ownership. You enjoy mentoring others, contributing to a strong team culture, and understand that great products are build by strong teams.

How we picture your experience:

• Bachelors or Master’s degree within Software Engineering or related field 
• 6+ years of professional experience as a software developer 
• Java/Kotlin and Spring - C# can also be relevant
• Building, deploying, and maintaining production systems  
• Azure or other cloud provider platforms  

Furthermore, experience with DevOps, building and deploying services, relational databases and Keycloak as well as deployment automation is beneficial. 

Please note that you must be able to present a clean criminal record and have lived in a NATO and/or an EU country for the past seven years as we work with security-classified projects. Read more here.

Welcome to Systematic Aarhus

At our Aarhus office, you can look forward to joining our Employees Club, which offers nearly 100 events a year of both social and professional character. Here, you can take advantage of a range of on-site perks from physiotherapist-led massages and an in-house hairdresser to sports clubs, game tables and even our own padel court. Our canteen is a standout feature, serving a daily selection of delicious and healthy dishes. Beyond the office, you will also enjoy benefits like free ARoS +1 access and various shopping discounts

Never stop developing

Systematic is uniquely people-centric, truly international and proudly rooted in Denmark with more than 1100 employees. Together, we write intelligent and innovative code to drive progress and improve lives. We develop IT solutions that make a real difference where it matters most. This is why we never stop developing. Here, there is room to be professional and personal. It is not just a place to work but a place to belong. 

Start your development here
We will be assessing applications on an ongoing basis as we wish to welcome our new colleague as soon as possible, so click Apply Now and send us your CV today. If you have any questions, you are always welcome to contact us on tel. +45 8943 2000 and ask for Tatiana Gori.