Energy Nerd / Developer - Freiburg im Breisgau

Meyandy LLC; Freiburg im Breisgau; Vor Ort; EUR 60.000 - 90.000; Vollzeit

Benefits dieser Stelle

Hybrid working

30 days annual leave

Company bike

Hansefit membership

Home-office option

Professional development

Zusammenfassung

greenventory GmbH in Freiburg im Breisgau is seeking a Project Engineer (m/f/d) with a focus on heating grids to support transformation plans and feasibility studies and to contribute to innovative tools for future energy systems. You will design scalable energy system models, extend Python simulations, and translate desktop analyses into production-ready software for our SaaS platform.

Collaborate with energy experts, developers and researchers to deliver robust solutions and improve tooling

Qualifikationen

• Strong understanding of energy systems and computing concepts.
• Experience with Python and web frameworks, plus version control.
• Familiarity with geospatial data and libraries (QGIS, GeoPandas).
• 2–5 years in energy modelling, data science, or software development.
• Experience with automated tests, linting, and CI/CD workflows.
• Good English communication skills and collaboration.

Aufgaben

• Design and develop scalable algorithms for energy system modelling.
• Architect, extend and optimise simulation models in Python.
• Conduct automated analyses of simulation results for energy planning.
• Translate desktop simulations into production-ready SaaS architectures.
• Establish standardised workflows for data integration and QA.
• Align on-premise and academic tools with production SaaS needs.
• Develop and extend internal energy system modelling toolbox.
• Collaborate with energy experts, software developers and researchers.
• Improve performance, maintainability and usability of tools.

Kenntnisse

Energy systems

Python

Django

Git

GitHub

CI/CD

QGIS

GeoPandas

Shapely

PyProj

AI-assisted development

Agile

SaaS

English communication

Tools

Git

GitHub

CI/CD pipelines

QGIS

GeoPandas

Shapely

PyProj

Jobbeschreibung

“We design the infrastructure systems of tomorrow!” – With you? We are convinced that the transformation towards sustainable, resilient and efficient infrastructures does not have to be complicated. We provide municipalities, utilities, grid operators and other infrastructure stakeholders with the data, analyses and decision‑making tools they need for integrated infrastructure and energy system planning. To strengthen our team, we are looking for a motivated and solution‑oriented Project Engineer (m/f/d) with a focus on heating grids to support the implementation of transformation plans and feasibility studies and to contribute to the development of innovative tools and solutions for future‑oriented energy systems.

Tasks

• Design and develop scalable algorithms for energy system modelling
• Architect, extend and optimise simulation models in Python, ensuring modularity, performant data structures and reusable code
• Conduct comprehensive and automated analyses of simulation results to extract actionable insights for energy planning
• Translate local desktop simulations and algorithms into production‑ready software architectures for integration into our SaaS platform
• Establish and document standardised workflows for data integration, geoprocessing and quality assurance
• Proactively align on‑premise and academic tools with the requirements of production SaaS applications
• Develop and extend greenventory's internal toolbox for energy system modelling and planning
• Work closely with energy experts, software developers and researchers to turn complex energy system questions into robust technical solutions
• Continuously improve the performance, maintainability and usability of our modelling and simulation tools

Requirements

• You have a deep understanding of energy systems and/or computer science
• You have strong skills in simulation and programming, particularly Python
• You have experience with Django or comparable Python‑based web frameworks
• You have 2–5 years of practical experience in energy modelling, data science or engineering software development
• You have experience with Git‑based version control and GitHub, including clean commits, pull requests and branching strategies
• You are familiar with CI/CD pipelines, automated testing and linting
• You have experience with QGIS and geospatial data analysis
• You are familiar with geospatial Python libraries such as GeoPandas, Shapely and PyProj
• You have experience with agentic coding and AI‑supported development workflows, for example LLMs, Copilots or automated coding agents
• You are familiar with Agile development environments and code review practices
• You are interested in SaaS applications and enjoy turning technical concepts into production‑ready software
• You have good communication skills in English
• You can balance the requirements and expectations of an end research institute environment with the practical needs of greenventory and a production software environment

Benefits

• Career prospects: Work in a sustainable, socially relevant and absolutely future‑proof field.
• 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.
• Flexible working: Whether you're an early bird or a night owl, you can arrange your working hours flexibly.
• In addition, thanks to hybrid working, you also have the option of working from home occasionally.
• Fair pay: We offer an attractive and competitive salary package.
• 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.
• We work in a state‑of‑the‑line 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.
• Work‑life balance: In addition to 30 days of annual leave, we also offer the possibility of working part‑time: A 4-day week …

Energy Nerd / Developer - Freiburg im Breisgau — greenventory GmbH, Freiburg im Breisgau.