Full Stack Developer


For Business Embedded Developments to Support our Retrofit Business

We are seeking a talented Full Stack Developer with a focus on back-end development to join our existing tech lead developer within our Marine Project Engineering team. You will be responsible for developing and maintaining software solutions that support our innovative energy projects, including both brownfield and greenfield projects. You will work closely with domain experts to design, implement, and optimize applications that support and drive our mission forward for decarbonization of the maritime shipping industry, with a particular focus on retrofit developments.

You will play an important role in:

  • Developing, testing, and maintaining our C# applications.
  • Create internal (web-based) tools for colleagues and external (web-based) tools for customers in purely B2B scenarios.
  • Collaborate with domain experts, product managers, and other developers/teams to create high-quality software.
  • Troubleshoot and resolve software defects.
  • Ensure code quality and maintainability through best practices and coding standards.
  • Contribute to the continuous improvement of our development processes.

We imagine that you

Are technically proficient, delivering reliable code with humility and a commitment to lifelong learning. You understand your tools well, seek to enhance your skills, and eagerly share knowledge with others. You confidently express your opinions and make practical decisions based on common sense. Your empathy allows you to understand users’ perspectives, ensuring their needs are met. You recognize that software development extends beyond coding to include clear communication with users and collaboration with the entire team of domain experts.

Additionally, we imagine that you:

  • Have a solid understanding of object-oriented programming and mid-level (5-7 years) experience with C#
  • Have skills within .NET Framework and .NET Core (8+), Visual Studio 2022, Aspose, Blazor, and Git
  • Are proficient in source control, web technologies like HTML and Single Page Applications (SPA) as well as possessing basic understanding of database/SQL
  • Bring experience in complex IT development, confidently tackling steep learning curves
  • Write solid code while remaining humble, understanding that learning never stops, and sharing your knowledge enthusiastically
  • Are fluent in Danish and English, with excellent communication skills to interact with both users and team members

We see our ideal candidate have experience with JSON, XML, Office formats (docx, xlsx), HTML, cloud (Azure), CI/CD, Git, VBA, and Postman/Fiddler, alongside with full-stack development expertise. However, we mostly value that you come with a strong focus on backend/BL layer, and you are comfortable handling front-end tasks as well. Additionally you also want to collaborate closely with domain experts in a small, agile team.

Welcome to Marine Project Engineering team

The Marine Project Engineering team is responsible for the collaboration with various industry stakeholders, especially shipyards, around the selection of main engine, fuel types and overall shipboard-systems optimization. It is a small team of six naval architects and engineers, two student assistant and our existing developer.

The team performs in-depth, project specific consultancy based on various self-developed tools, as well as making data needed in the design process available to our customers. We are presently expanding our business to not only focus on newbuilding projects, but include retrofit - a necessity for the green transition. As we do so, it is required to make our knowledge, tools, and data increasingly available to our local offices, retrofit sales organization and customers to improve our guidance to all parties.

What can you expect from us:

  • Opportunities for professional growth and development.
  • The chance to work on cutting-edge projects that make a real impact – both towards the business and towards the green transition of the maritime industry.
  • A focus on long-term employment and career development within the company.
  • Great flexibility with respect to on-site presence and working elsewhere
  • Collaboration and support are our cornerstones, and we value interdisciplinary cooperation where different perspectives and skills come into play to create the best solutions for our users. We prioritize teamwork and mutual assistance, which makes us stronger as a unit.
  • A nice and relaxed work environment

Unleash your potential: Join us towards a carbon-neutral future

At MAN Energy Solutions, we offer you an opportunity to shape the future while achieving your career goals.

We understand that balancing work life and personal life can be a challenge. This is why we prioritize providing our employees with the best opportunities to achieve this balance. In addition to flexible working hours, the option to work from home, and a focus on brain breaks during the day, we also offer over 7 weeks of paid time off distributed across vacation days, extra days off, and flex days.

We focus on diversity and equality to create a creative and inclusive culture and believe that a mix of gender, nationalities, and different perspectives, drives innovation, creativity, and productivity in our organization. We are committed to our employees’ well-being, and you will get the opportunity to join different social activities clubs from yoga and fishing clubs to creative clubs.

At MAN Energy Solutions you can create, drive, build, and be a part of improving innovative energy solutions while achieving your personal career goals. Here you have opportunities for growth, development, and mentorship.

In 2027, MAN Energy Solutions will move to Trekroner in Roskilde. Here we will consolidate all our current locations on Zealand into one large site.

About MAN Energy Solutions

  • 250 years of experience in advanced engineering
  • We deliver a unique portfolio of technologies and opportunities in the development of engines for use on ships and in power plants across the globe
  • We operate under the motto "Future in The Making" as it reflects our dedication to developing sustainable solutions and actively contributing to a carbon-neutral economy
  • We have over 15,000 employees worldwide. In Denmark, we are 2,200 passionate employees with more than 40 nationalities

Build your own future

Please submit your application to us no later than Monday the 16th December 2024. We will conduct interviews during the application period. If you have any questions, you are welcome to contact department manager Philip Holt by phone +45 40 14 76 37 or email Philip.Holt@man-es.com. More information about the company can be found at www.man-es.com.

Relocating to Denmark is a major step for our new international colleagues. To support this transition, we offer several initiatives, including Spouse Days to help build a strong cross-cultural network within MAN Energy Solutions, as well as Danish language courses based on individual proficiency levels. Furthermore, we offer intercultural training tailored to the countries and regions we collaborate with, as well as global mindset training for all employees and managers. This is to promote a collaborative and inclusive work environment. Our mobility package also includes assistance with obtaining a Danish CPR number, tax information, and work permits.

In MAN Energy Solutions, we strive for an inclusive and fair recruitment process for our job applicants based on equity. We encourage all qualified candidates, regardless of gender, age, religion, disability and ethnic background to apply for this position. Therefore, please refrain from attaching a photo to your CV or cover letter. Furthermore, assistive tools will be available when needed, for example for dyslexia.


With headquarter in Germany, MAN Energy Solutions employs around 15,000 people worldwide. Of these, we are approx. 2,200 passionate employees in Denmark in 3 locations: Copenhagen, Frederikshavn and Holeby. With more than 250 years of experience in advanced engineering, we deliver a unique portfolio of technologies and opportunities in the development of engines for use on ships and in power plants across the globe. At MAN Energy Solutions we have the technologies and the experience to make a significant contribution to decarbonization. That's why we care about "Moving Big Things to Zero”. "So that the small things matter, too."


MAN Energy Solutions enables its customers to achieve sustainable value creation in the transition towards a carbon neutral future. Addressing tomorrow’s challenges within the marine, energy and industrial sectors, we improve efficiency and performance at a systemic level. Leading the way in advanced engineering for more than 250 years, we provide a unique portfolio of technologies. Headquartered in Germany, MAN Energy Solutions employs some 14,000 people at over 120 sites globally. Our after-sales brand, MAN PrimeServ, offers a vast network of service centres to our customers all over the world.
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