Location: Berlin, Invalidenstraße

Duration: 6 months, start in January 2027

Build pipeline: Identify promising businesses, reach decision-makers and create opportunities through calls, email, LinkedIn and new approaches you want to test.
Learn to sell from first contact to close: Understand customer needs, deliver product demos, prepare proposals and handle objections. With coaching from the team, take increasing ownership of negotiations and closing.
Build new acquisition engines: Find an untapped customer segment, test a partnership or develop a new outreach campaign. Own the experiment from the initial hypothesis to the first customers.
Turn results into repeatable processes: Work out why an approach succeeds, document what you learn and build playbooks the team can use and scale.
Use data to get better: Track your pipeline, conversion rates and won revenue. Identify where deals stall and use the findings to improve your next conversation or experiment.
Put AI to work: Use AI and automation to accelerate research, personalise outreach and streamline follow-ups, giving you more time with customers.

You are currently studying, have recently graduated or bring comparable practical experience.
You want a steep learning curve: You’re ready to learn by doing, take on unfamiliar challenges and apply direct feedback quickly.
You thrive at a fast pace: You turn ideas into action, make decisions with incomplete information and take responsibility for moving things forward.
You’re ready to put in the hours: This is an intensive, hands-on opportunity. You bring energy, commitment and the ambition to make the most of it. In return, you gain real responsibility, close mentorship and the chance to develop quickly.
You want to win customers: You’re excited to pick up the phone, lead conversations and work towards closing your own deals.
You combine creativity with follow-through: You come up with fresh approaches, test them in the market and stay accountable for the results.
You communicate confidently in German and English and want to work alongside our team in Berlin.
Previous experience in sales, business development, a startup or your own project is a plus.

Grow with us: As part of a fast-growing, YC-backed climate tech startup with an ambitious team.
Real ownership: Drive your work from idea to impact.
Low ego, high trust: No blame, open feedback, collaboration over hierarchy.
Be part of the energy transition: Help bring more heat pumps and solar to homes every day.
Hybrid work in Berlin-Mitte: 3 days together in our office near Weinbergspark, 2 from home. Need more flexibility? We'll find a way.
Modern equipment: MacBook and 27″ monitor.
Annual team retreat plus regular team events.
Mobility: Dance e-bike or Deutschland-Ticket.
Fitness: Urban Sports Club membership.

Culture fit conversation: Tell us about your motivation, ambitions and how you like to work.
In-depth interview: Explore your experience, approach and what it takes to succeed in the role.
Case study: Show us how you think and tackle a practical sales challenge.