Sentra is an end-to-end SaaS platform that helps organizations make informed decisions about how energy systems should evolve under changing economic, climate, political, and environmental conditions. Our core customers include utility companies, city administrations, and citizens. Heat plans in over 400 cities across Germany, including City A, City B, and City C, have already been created using Sentra. We are strengthening our position in Germany and preparing for global expansion.

Sentra enables users to:

• Collect and organize raw energy and infrastructure data


• Enrich, visualize, and analyze this data on maps and dashboards


• Model and compare scenarios to understand how future changes may impact energy demand, supply, and infrastructure


• Make informed, economically viable decisions on how to improve energy efficiency and modernize critical infrastructure (e.g., heating, gas, and electricity grids)


• Communicate planning results to city mayors and citizens through public dashboards and interactive reports


• Plan resilient, sustainable, and livable cities capable of adapting to climate change and geopolitical uncertainty.

• Work end-to-end: refine requirements, design solutions, and test implemented features


• Collaborate with product managers, and domain experts to clarify and refine requirements


• Develop new features from initial idea to a documented final design


• Interpret user feedback to iterate and improve implemented features


• Create and maintain UI components, contributing to the design system


• Prepare design documentation, and handoff designs to development


• Ensure accurate implementation by reviewing developed features, identifying issues, and preparing fix lists

• Portfolio required


• 2+ years of experience designing SaaS products


• Strong understanding of UX/UI fundamentals and interaction patterns


• Confident use of Figma, including components, auto layout, and variables


• Experience creating prototypes for usability testing


• Strong presentation skills and ability to explain and justify design decisions


• Comfortable working across multiple features and stakeholders in a fast-paced environment


• Strong communication skills in English

Will be a plus:

• Interest in climate tech, data visualization, or energy systems


• Experience with complex web forms


• Experience with data heavy dashboards


• Experience with map interactions


• Experience with Object-oriented UX


• Communication in German

• Flexible working: Whether you're an early bird or a night owl, you can arrange your working hours flexibly


• Fair pay: We offer an attractive and competitive salary package


• We work in a state-of-the-art office with top-of-the-line equipment, based in Freiburg.


• Health is a high priority for us. We therefore support our employees financially with Hansefit memberships and offer the option of leasing a company bike.


• Team spirit: Whether in daily work, regular after-work activities or company outings - look forward to a friendly team where you will be fully integrated from the start and enjoy your work.


• Career prospects: Work in a sustainable, socially relevant and absolutely future-proof field.


• Personal training and development opportunities: We offer you the opportunity to quickly take on responsibility in projects within a strong team and to grow through new and exciting tasks.

But why exactly Greenventory?

With us, you have the opportunity to work in an ambitious team on projects that will shape the future. Through your work, you will make a significant contribution to advancing the energy transition and paving the way to climate neutrality.

Sounds good? Then apply now!