> Markdown version of [/jobs/ext/2834203-working-student-in-building-energy-software-development-gesucht-in-freiburg-im-breisgau](https://www.wearedevelopers.com/jobs/ext/2834203-working-student-in-building-energy-software-development-gesucht-in-freiburg-im-breisgau). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Working Student in Building Energy & Software Development gesucht in Freiburg im Breisgau - **Company:** Hey Group GmbH - **Location:** Freiburg im Breisgau, Germany - **Salary:** €35,360.0 - **Contract:** Permanent contract - **Skills:** Software Applications, Systems Engineering, Software as a Service, Python (Programming Language), Software Engineering, Software Systems, Backend, Tools for Reporting - **Published:** September 10, 2026 - **Apply:** https://www.lokale-kleinanzeigen.de/stellenanzeige/working+student+in+building+energy+und+software+development_l16685421.html ## About the Role * You can support us on-site in Freiburg. * You are studying energy engineering, civil engineering, environmental engineering, renewable energies, industrial engineering, or a related field of study. * In-depth energy knowledge regarding buildings and system technology is your greatest strength and continuously inspires you. * You have experience in Python programming and an eye for clean, well-structured code. * You bring a basic interest in software development and the functionality of SaaS applications. * You work independently, solution-oriented, and like to contribute your own ideas. * You are looking for a long-term working student position (at least one semester) with the opportunity for continuous development. * You are a team player and want to actively contribute to the energy transition. ## Description Hey! Would you like to actively contribute to the heating transition as a working student and support building owners with data-driven tools for renovation planning? Then greenventory GmbH is the right place for you! We are an energetic team from Freiburg, fully dedicated to the energy transition and climate-friendly urban development. As part of our "Finders" team, you will work directly on the mathematical and technical foundations of our software applications. You will help us develop the calculation cores, model new technologies, and create well-founded decision-making bases for energy-efficient building renovation. If you are passionate about building energy technology, data, and software, you are in the perfect place. An open, curious, and respectful working environment awaits you, where teamwork and sustainability are highly valued. Become part of our mission and accompany us on our way to making the world a bit greener! Tasks * Code & Model Development: You independently develop and extend Python code in the calculation cores of our software solutions. * Feature Expansion: You implement new calculation methods, such as determining the cooling demand of buildings, modeling innovative system engineering, and various renovation options. * Data & Market Maintenance: You keep economic assumptions, funding rates, and scenarios for future energy price developments up to date. * SaaS Integration: You prepare updates of our calculation cores so that they can be seamlessly integrated into the backend of our software applications. * Research & Specialist Support: You keep an eye on legal and technical developments and support the team with your building energy expertise on technical questions. ## Related Videos - [Rethinking Intelligence: AI, Accessibility, and the Future of Inclusive Work - Artur Ortega](https://www.wearedevelopers.com/videos/1377-rethinking-intelligence-ai-accessibility-and-the-future-of-inclusive-work-artur-ortega) - [Model Based Systems Engineering in an Agile Product Development Process](https://www.wearedevelopers.com/videos/68-model-based-systems-engineering-in-an-agile-product-development-process) - [Demografie nutzen um jedem Bewerber das passende Angebot zu machen!](https://www.wearedevelopers.com/videos/836-demografie-nutzen-um-jedem-bewerber-das-passende-angebot-zu-machen) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [Breaking the Hardware Mindset: Overcoming Barriers to System-Level Innovation](https://www.wearedevelopers.com/videos/1635-breaking-the-hardware-mindset-overcoming-barriers-to-system-level-innovation) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) ## Related Articles - [Jobs in Germany for Americans](https://www.wearedevelopers.com/magazine/423-jobs-in-germany-for-americans) - [Finding Jobs in Germany](https://www.wearedevelopers.com/magazine/375-finding-jobs-in-germany) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Finding IT & Technology English-speaking Jobs in Germany ](https://www.wearedevelopers.com/magazine/446-finding-it-technology-english-speaking-jobs-in-germany) - [How to Find Tech Jobs in Berlin](https://www.wearedevelopers.com/magazine/291-how-to-find-tech-jobs-in-berlin) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs)