Act-3D is a growing 3D rendering software developer with one main product – Lumion. Currently, we are looking for talented people to join our team and take part in Lumion’s development in an exciting, fast-moving market. You can find open positions below.

Software Developer

Are you passionate about creating software that delivers a perfect user experience? Do you get excited by the challenge of creating a slick interface design? Can you put yourself in the shoes of the user and view software from their point of view? If so, read on because we have a job for you!


We are looking for a Software Engineer to strengthen our Lumion product development team. Ideally, this is someone who places quality and usability at the top of their list. The applicant is also passionate, creative and excited about solving new problems.


In this role, you will be developing improvements for Lumion. The core aim is to make complex software accessible to a large group of customers who want to create high-quality 3D architectural renders - fast! An easy-to-master, attractive and intuitive interface design plays a crucial role in helping these customers to quickly pick up Lumion and get results. Development is carried out using a powerful in-house programming tool, which is effectively a visual scripting language. You’ll become an expert in this programming tool and will be using it daily to further enhance Lumion.


As a Software Engineer at Lumion, you’ll be working in a small team, cooperating with the graphics developers, software engineers and the testing teams. Are you interested? Good!

Please read the requirements and see if you match the profile we are looking for.


Your experience and abilities


  • College or University degree
  • Solid programming skills in a object-oriented programming language like C#, Java or scripting languages like Python or UnrealScript
  • A willingness to learn and use Quest3D, the visual programming tool we use for Lumion
  • A track record of getting things done
  • Experience with real-time 3D engines such as Unity, Unreal or other
  • Independent worker, also able to work well within a team
  • Good knowledge of English, both written and spoken.


We like to see (but not required)


  • Source code of an example project you created that you’re proud of
  • Why you love 3D visualization and computer graphics
  • Any other evidence of your passion for building great software


What we offer


We offer an opportunity to work with and learn from a competent and experienced development team, comprised of people from 6 different nationalities. You will be working in the tranquil setting of our office building in Warmond, 10 minutes cycling from the city center of Leiden, The Netherlands. We cover your commuting expenses and working at Lumion also includes a free lunch. We offer you 30 days of holidays per year (based on 40 working hours per week) and pay you a higher than average salary. Most people work from home one day per week. Are you currently located in another EU country but willing to relocate? We will assist you with the paperwork. We can personalize working terms & conditions according to your specific needs, knowledge and experience.


We hope this vacancy description has given you enough information about what we do and who we are looking for. If you have any questions, please, feel free to contact Pjotr van Schothorst at [email protected] or +31-(0)71 514 7799.


Are you ready to apply? Please send your resume and application letter to [email protected] Do you have a portfolio or something similar that is supporting your expertise? Please add this to your application. We are looking forward to get in touch with you!


About Act-3D


Act-3D B.V. is the company behind Lumion, a software product for architecture visualization. The company was founded in 1998 and registered in 2001. Its head office is in Warmond in the Netherlands, close to Amsterdam and Leiden, and employs people in several other countries around the world.


Act-3D was among the very first pioneers in making use of hardware dedicated to accelerated 3D visualization. After over a decade of experience in the TV, film, ship simulation and architectural sectors, Act-3D made the decision to concentrate on architecture and, in 2010, launched Lumion as a specific solution for this market. Lumion is growing quickly, becoming the de-facto tool for visualization in the architecture world.


Act-3D’s aim is to make advanced visualization technology accessible to all Architecture, Engineering and Construction (AEC) professionals.

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©2018 Act-3D B.V. Product information and specifications are subject to change and provided by Act-3D, B.V. “as is”, without any warranty of any kind, either express or implied. All trademarks are the property of the respective trademark owners. For more information click here.