Lead Full Stack Developer - Shape the future of defence software training technology 

Are you a seasoned full stack developer looking to take on the role as the most senior developer in a newly established team within a growing, high-stakes domain? Do you enjoy solving complex challenges, mentoring others, and influencing architecture and product direction? Then go ahead – read more about us 

The position  
At Systematic, we’re expanding our Defence software team in Copenhagen and are looking for an experienced Lead Full Stack Developer to 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 Lead Full Stack Developer, reporting to our Project Manager for Aspire in Copenhagen, your primary responsibility will be leading feature development, creating and designing new product features together with our Architects – all in order to enhance user learning outcomes. You will have a great opportunity to make your mark on the product, help grow the team together with the Project Manager and influence how the team operates. In short, your key tasks will be to:  

• Having an active role in decision-making, development, and implementation of new custom-requested functionalities or features 
• Ensure code review and inspection, participate in knowledge sharing and sparring across teams 
• Optimize our build/deployment pipeline 
• Design and Develop our offering in Azure to utilize the functionalities in the product and the offerings in Azure optimally 
• Implementing best practices and finding optimum solutions together with the rest of the team 

Join the Aspire team in Copenhagen 

We are growing our department with a new team in Copenhagen. Hence, you will join a growing Defence business, where we develop software that support critical decision-making when it matters the most.  

We would like to offer you the following: 

• Meaningful mission – Contribute to Defence tech that enhances real-world operational readiness  
• Strategic role – You will be part of shaping the architecture and practices of a fast-growing platform  
• Central Copenhagen office – Join our new team in a modern office just steps away from everything the city has to offer as well as public transportation 
• Strong foundation, startup feel – Aspire is our youngest Defence product with strong adoption and more to come  
• International, collaborative culture – Work alongside skilled teams in Aarhus, Bucharest, and beyond  

Your qualifications  
Beyond your technical capabilities – that you see below – we like to put emphasis on who you are as a person. We are looking for someone who will enjoy being part of a new team in Copenhagen by creating and contributing a good team spirit, both locally and across locations.  

Furthermore, you are open to share your knowledge with your peers and more junior colleagues and understand that the team becomes better while doing so. 

• Bachelors or Masters degree within Software Engineering or related field 
• 6-7 years of experience from a developer position  
• Java/Kotlin and Spring  
• Build/deployment pipelines  
• Experience with 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/EU country for the past seven years as we work with security-classified projects. Read more here.  

Welcome to Systematic Copenhagen 

When you join us in Copenhagen, you're not just getting a desk at one of the city’s best locations—you’re stepping into a workplace where community matters. Our Employees Club keeps things lively with monthly social events, and our office catering makes sure you’re always well taken care of. Whether you’re into casual games or just good company, you’ll find both at our foosball table or during our relaxed Friday bar gatherings. 

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 Kathrine Schlegel Rasmussen, Senior TA Consultant 
 

Get in touch

Kathrine Schlegel Rasmussen

Senior Talent Acquisition Consultant