Application Guide

How to Apply for Working Student Product Designer (m/f/d)

at 1KOMMA5°

🏢 About 1KOMMA5°

1KOMMA5° is a fast-growing climate tech company focused on making CO2-neutral buildings accessible to everyone by integrating decentralized clean energy, mobility, and heat solutions. Their mission-driven team offers a unique opportunity to work on products that directly impact the energy transition in Germany, combining sustainability with cutting-edge technology.

About This Role

As a Working Student Product Designer, you'll collaborate with cross-functional teams to design intuitive user experiences for products that help homeowners manage their energy systems. This role is impactful because your designs will directly influence how users interact with clean energy technologies, making sustainable living easier and more accessible.

💡 A Day in the Life

Your day might start with a stand-up with the product team to align on priorities, then you'll dive into Figma to iterate on a new feature for the user dashboard. You could spend the afternoon conducting user interviews with homeowners to test a prototype, followed by a design critique session with fellow designers to refine your work.

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Interview Prep

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🎯 Who 1KOMMA5° Is Looking For

  • You're currently enrolled in a German university in a design-related program and have a strong portfolio showcasing your design process and Figma skills, even if projects are academic.
  • You thrive on understanding complex systems (like energy models) and translating them into simple, elegant user interfaces.
  • You're eager to conduct user research (interviews, surveys, usability tests) and use data to inform your design decisions.
  • You have a keen eye for detail and a passion for creating pixel-perfect, visually appealing designs that align with a cohesive design system.

📝 Tips for Applying to 1KOMMA5°

1

Tailor your portfolio to highlight projects that demonstrate your ability to simplify complex information—ideally related to energy, sustainability, or IoT.

2

In your portfolio, include a case study that shows your research process (e.g., user interviews, usability testing) and how it influenced your final design.

3

Mention your familiarity with design systems and component libraries in Figma, as collaboration with other designers is key.

4

Since the role is remote, emphasize your ability to work independently and communicate effectively in a distributed team.

5

Show enthusiasm for climate tech and 1KOMMA5°'s mission by referencing specific products or initiatives they've launched.

✉️ What to Emphasize in Your Cover Letter

["Explain why you're passionate about climate tech and how your design skills can contribute to making clean energy accessible.", "Highlight your experience with user research and how you've used it to solve real problems in past projects.", 'Demonstrate your proficiency with Figma and your understanding of design systems, possibly mentioning any experience with prototyping or collaboration tools.', 'Express your desire to grow as a designer and contribute to a mission-driven team, referencing the collaborative culture described in the job posting.']

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🔍 Research Before Applying

To stand out, make sure you've researched:

  • → Explore 1KOMMA5°'s website and blog to understand their product offerings, such as the 'Heartbeat' energy management system.
  • → Read about the Energiewende (energy transition) in Germany to contextualize the company's impact.
  • → Look at their careers page and any design-related content they've published to understand their design culture.
  • → Check out reviews on Kununu or Glassdoor to get a sense of company culture and employee experiences.

💬 Prepare for These Interview Topics

Based on this role, you may be asked about:

1 Walk me through a design project where you had to simplify a complex concept. What was your process?
2 How would you approach designing a dashboard for a homeowner to monitor their solar panels and battery storage?
3 Describe a time you used user research to challenge an assumption or improve a design.
4 How do you ensure consistency when working within a design system in Figma?
5 Why are you interested in working at 1KOMMA5° specifically, and how do you see design contributing to their mission?
Practice Interview Questions →

⚠️ Common Mistakes to Avoid

  • Submitting a generic portfolio without any projects related to sustainability, energy, or data visualization.
  • Focusing only on visual design without showing your research and problem-solving process.
  • Neglecting to mention your current enrollment at a German university, as it's a strict requirement.

📅 Application Timeline

This position is open until filled. However, we recommend applying as soon as possible as roles at mission-driven organizations tend to fill quickly.

Typical hiring timeline:

1

Application Review

1-2 weeks

2

Initial Screening

Phone call or written assessment

3

Interviews

1-2 rounds, usually virtual

✓

Offer

Congratulations!

Ready to Apply?

Good luck with your application to 1KOMMA5°!

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