What you will do:

Be the go-to contact for our B2B customers in Germany (especially energy installers), guiding them from onboarding to long-term success
Translate customer feedback into product impact by working closely with our Product and Tech teams - crisp problem statements, clear priorities, and fast loops
Continuously improve the customer experience: tighten processes, remove friction, and make sure customers get answers and outcomes quickly
Identify upsell opportunities and expansion signals (new modules, additional seats, new locations) and drive them with Sales — without being “salesy”
Plan and run customer projects that drive adoption, retention, and measurable outcomes (e.g., rollout playbooks, training, QBRs, usage improvements)

Experience in B2B Customer Success / Customer Service, with strong comfort in direct customer conversations
A technical or process-oriented background (e.g., engineering, operations, energy tech, or similar) that helps you understand complex customer workflows
Startup experience is a plus - you know how to operate with ambiguity and speed
Motivated to drive real change in renewables, not just work in sustainability
Excellent communication and presentation skills in German (C2); fluent English 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.

Apply online with a strong CV.
Your contact person is Thies Hansen (Co-Founder).
After screening your application, we'll let you know whether we'd like to take the next step together.
First, we'll have a ~30-minute intro call via Google Meet.
Next, we'll have a more in-depth 30-minute Google Meet interview.
After that, we'll invite you to an in-person interview at our Berlin office.