Senior Software Engineer (Backend) (m/w/d) - Virtual Power Plant (VPP)
Lumenaza GmbHBerlin, Germany
Posted October 10, 2025
Full Time
About the Company
Lumenaza GmbH is a Berlin-based company specializing in digitalizing the energy transition through its SaaS platform. Since 2013, Lumenaza has transformed companies into electricity aggregators and suppliers, offering end-to-end solutions for billing, CRM, customer communication, and more. The company serves energy suppliers, aggregators, and new market players, including Octopus Energy and EnBW, and provides green, dynamic electricity tariffs under the LUOX Energy brand.
Job Description
Lumenaza is a green-tech company focused on shaping the energy industry towards a sustainable future. They offer a dynamic and innovative environment to contribute to a complex, decentralized energy market. The role of a Senior Software Engineer (Backend) involves developing and maintaining a virtual power plant to control energy assets, as well as exploring new architectures and technologies.
Requirements
- Degree in Computer Science or comparable qualification
- At least 5 years of backend software engineering experience
- Excellent knowledge of Python, SQL, and Django
- Solid experience with Django REST Framework and designing/integrating REST APIs
- Experience with microservice architectures and distributed systems
- Confident handling of Docker and Docker Compose
- Practical experience with pytest or similar testing frameworks
- Understanding of modernizing legacy systems
- Passion for Clean Code, automation, and CI/CD
- Strong communication skills in English
- Experience with PostgreSQL, Git, and Linux systems
- Knowledge of Pandas and other data-driven tools
Benefits
- Comprehensive onboarding and training
- Flexible working hours
- Attractive additional benefits
- Modern work environment
- Innovation at the heart of the energy transition
