Are you an entrepreneur looking for a techy and climate-focused start-up to join? Biosphere Solar is on a mission of developing the most sustainable solar panel in the world. By joining us, you will gain hands-on experience in a dynamic dream team, operating in one of the most future-proof sectors.

Open to any gender, race, age or disability
Approx. 6 months (32h/week)
On-site attendance in Delft required
Financial Compensation

Interested? Send us your application via 



DEADLINE 10th February 2024
Open to any gender, race, age or disability
6 months – 1 year (min 32h/week)
On-site attendance in Delft required

What we offer:
Monetary compensation
Impactful work in the renewable energy sector
Workspace and tools

Interested? Write an open application to
We’re curious to hear more about you, and if you include your CV we can learn about your experience too!

🟢 Business Developer

We are seeking a highly motivated BD with true entrepreneurial spirit to join our innovative team. As a BD, you’ll play a key role in overseeing and researching the market research and customer validation, as well as customer interaction and deal closures.   


  • Carry out Customer interviews and market research
  • Foster a culture of creativity and teamwork
  • Engage with external partners, stakeholders and suppliers


  • Entrepreneurial mindset
  • Interest in solar/renewables/sustainability
  • Being up for a challenge
  • Ability to thrive in a fast-paced and dynamic start-up environment
  • OPTIONAL – Dutch

🟢 Solar Engineer

Are you an engineer who wants to develop, test and build a truly sustainable solar panel? We’re rewriting the rules of solar by developing cutting-edge, circular solar panels. If you’re an engineer seeking a challenge, we want to hear from you!


  • Test and develop V2 Biosphere’s solar module design
  • Collaborate with manufacturing partners
  • Apply cutting-edge technology from the latest solar developments


  • Degree in engineering with a focus on solar/renewables
  • Strong problem-solving skills
  • Experience with solar testing methods like IV-curve tracing, EL & IR imaging, and/or mechanical testing
  • Ability to thrive in a fast-paced and dynamic start-up environment
  • OPTIONAL: Experience with 3-D printing and CAD; Experience with climate chamber testing; Experience with Arduino

 If you do not fit with these positions, but would still like to be part of the team, feel free to send an open application


Tell us about yourself, and include your CV


Application deadline 10-02-2024