Software Developer (Open Source - 4TU.ResearchData)

Software Developer (Open Source - 4TU.ResearchData)

Published Deadline Location
1 Mar 23 Mar Delft

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Are you passionate about community-driven free and open source software development? Do you care about Open Science? Then this job is for you!

Job description

4TU.ResearchData is a repository for research data and software in the technical and exact sciences, open for use by all researchers. The repository has a broad community of users and supporters who advance FAIR data and software practices.

4TU.ResearchData is run by a consortium of four technical universities in the 4TU.Federation (TU Delft, University of Twente, TU Eindhoven and Wageningen University & Research) and is hosted by TU Delft

In the spirit of Open Science, 4TU.ResearchData has migrated its repository software to an in-house developed, free and open source software called Djehuty ( Our vision is to co-develop this software with our 4TU.ResearchData community of researchers and research support professionals, such as research software engineers and data managers. At 4TU.ResearchData we strongly believe that community-driven development is essential for innovation and sustainability of our services.

As Free and Open Source Software Engineer at 4TU.ResearchData you will develop the data repository infrastructure to support researchers in effective sharing of their research outputs, primarily research data and software.

Our ambition is to enable researchers all over the world to make their data Findable Accessible Interoperable Reusable (FAIR). You will be asked to share and collaborate on your code in an open source manner to help you develop your skills further.

You will work closely with other colleagues from 4TU.ResearchData to maintain, scope, develop and implement new functionalities to best support emerging needs of the research community. You will also collaborate with other colleagues on joint open source projects and on establishing best practices for scholarly communication infrastructure.

Your tasks and responsibilities:

  • Maintain and extend the data repository to serve the needs of the research community while preserving its integrity and security
  • Research and design software solutions within the current architecture, and extend the architecture where/if needed;
  • Communicate design and implementation choices to the open source community;
  • Collaborate in national and European projects to advance the sustainable and integrated scholarly communications infrastructure in the Netherlands and in Europe;
  • Review patches of internal and external contributors to the data repository;
  • Collaborate and support other colleagues within and outside the team, as appropriate and relevant.


Delft University of Technology (TU Delft)


  • Full-stack web development awareness;
  • Experience developing and maintaining software systems with Python;
  • Experience working with community-driven open source projects;
  • Experience with GNU/Linux, Python, HTML/CSS, Javascript, Git;
  • Awareness of the importance of Free and Open Source software;
  • Awareness of the FAIR principles;
  • Good communication and team-working skills.
  • good command of English and if you’re not yet proficient in Dutch, you are willing to learn the language (reaching at least listening skills A2)
  • Experience with SPARQL and RDF is a plus.

Conditions of employment

Fixed-term contract: 1 jaar.

  • Duration of contract is 1 year with prospect of permanent.
  • A job of 36-40 hours per week.
  • A salary based on scale 11 of the CAO for Dutch Universities with a minimum of €3.974,- and a maximum of €5.439,- gross per month based on a fulltime contract (38 hours), plus 8% holiday allowance and an end-of-year bonus of 8.3%.
  • An excellent pension scheme via the ABP.
  • The possibility to compile an individual employment package every year.
  • Discount with health insurers.
  • Flexible working week.
  • Every year, 232 leave hours (at 38 hours). You can also sell or buy additional leave hours via the individual choice budget.
  • Plenty of opportunities for education, training and courses.
  • Partially paid parental leave
  • Attention for working healthy and energetically with the vitality program.
  • Please note that this position is based in the Netherlands (working remotely from abroad is not possible). EU citizenship or a European working permit is required to apply.


Delft University of Technology

Delft University of Technology is built on strong foundations. As creators of the world-famous Dutch waterworks and pioneers in biotech, TU Delft is a top international university combining science, engineering and design. It delivers world class results in education, research and innovation to address challenges in the areas of energy, climate, mobility, health and digital society. For generations, our engineers have proven to be entrepreneurial problem-solvers, both in business and in a social context.

At TU Delft we embrace diversity as one of our core values and we actively engage to be a university where you feel at home and can flourish. We value different perspectives and qualities. We believe this makes our work more innovative, the TU Delft community more vibrant and the world more just. Together, we imagine, invent and create solutions using technology to have a positive impact on a global scale. That is why we invite you to apply. Your application will receive fair consideration.

Challenge. Change. Impact!


University Corporate Office - TU Delft Library

TU Delft Library is the largest technical-scientific library in the Netherlands, a physical and virtual meeting place. The Library helps to find valuable knowledge needed for education and research, and to publish and store the knowledge generated at TU Delft. We believe it is important that knowledge is easily accessible and freely available to everyone. In this way, knowledge can flow freely and TU Delft's knowledge can become valuable to others. The Library is also a place where everyone can study in peace and quiet. This fits in with our inclusive organisation. The Library has chosen three strategic themes to guide its daily activities. 1) Open Science. We make an important contribution to TU Delft's broad strategic programme "Open Science - Research and Education in the Open Era". 2) Visibility and impact. With our expertise and tools in the field of research data management, research intelligence and publishing, we increase the findability, visibility and impact of TU Delft knowledge. 3) Inspiring learning and working environment. Through stimulating programming, we show how freely available and reliable knowledge makes life richer. This makes the Library a place where you can find new ideas and insights. 


  • IT
  • 36—40 hours per week
  • €3974—€5439 per month
  • Higher professional education
  • TUD03574


Delft University of Technology (TU Delft)

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Mekelweg 2, 2628 CD, Delft

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