
Python Developer (f/m/d)
50Hertz Transmission GmbH – a Company of the European Elia Group • Berlin • Experienced professionals
Berlin
Start: as soon as possible
Job-ID: 9715
Here, I develop software components and applications in the “MCCS Grid Analysis” project, thus driving the digital energy transition forward.
What makes this job interesting for me: 50Hertz is at the forefront of the energy transition. At 50Hertz, I can make a meaningful impact and create value for an organization that ensures the security of energy supply for 18 million people. As a developer, I will be part of an international development department where professionals such as software engineers and architects collaborate, specializing in the development and maintenance of high-quality, scalable, and efficient software solutions. I can continuously build on my strengths, share my knowledge, and learn from my expert colleagues.
My responsibilities:
- Develop clean and efficient code based on specifications and guidelines,
- Develop, maintain, and use deployment pipelines (following the “Infrastructure as Code” paradigm),
- Build and deploy Python services in Kubernetes,
- Set up automation/test scripts to support specialists in performing functional and quality tests,
- Troubleshoot programming issues and ensure a productive work environment,
- Maintain and regularly improve existing software,
- Analyze and test before market release,
- Ensure software security by developing programs to actively monitor the disclosure of private information,
- Develop optimization modules for Grid Analysis based on predefined user reports,
- Participate in 24/7 on-call support service.
My qualifications:
- Completed studies in (business) informatics or a comparable field,
- At least 5 years of professional experience in Python programming (stack: FastAPI, Poetry, Ruff, Black, Pandas, Protobuf, Confluent-Kafka, Kubernetes, Azure Pipelines, Helm),
- Experience with web integration technologies such as REST,
- Conceptual knowledge of dependency injection, software design patterns, and continuous integration,
- Proficient in Angular or React,
- Language skills: Fluent in English (C1) and German (B2).
Flexi Compass - see how flexible this vacancy is
- Working hours per week: 37 hours (full time),
- Flexible working hours and a long-term working time account supporting your work-life-balance,
- The number of flex days is not limited,
- No core working hours,
- Mobile working, also from home, is possible.
My new place of work
Berlin-Mitte - Heidestraße 2, 10557 Berlin
What are the benefits of working for 50Hertz?
37 hour week
Company pension
30 days of holiday
Flexitime with a long-term time account
Fair remuneration and a wide range of social benefits
Supported personal development
Who are we?
We are 50Hertz – one of the four transmission system operators (TSO) in Germany. Together with the Belgian electricity grid operator Elia (Brussels), we form the internationally active Elia Group. At 50Hertz, over 2,100 employees ensure that electricity flows over long distances reliably, with minimal loss, and optimally managed. As a TSO, we play a central role in the implementation of the energy transition from a technical and economic perspective, acting as a facilitator. Our goal is to integrate 100 percent renewable energy into the grid and system securely and affordably by 2032.
Innovative
We are driving the energy transition forward with pioneering technologies and creative solutions. We are already thinking beyond today and are ready to take new paths.
Diverse
We have people from different cultures and with diverse talents working together to achieve great things. We view diversity in all its dimensions as an opportunity.
Responsible
We are responsible for ensuring a reliable supply of electricity and the sustainable expansion of the electricity grid. In order to master this task, it is a matter of course for us to take responsibility for one another.
Communal
Our strong community and valuable cooperation ensure the success of our mission. That is why we actively promote the individual strengths and interests of our employees and support their personal development.
A job with a future

As one of the four transmission grid operators in Germany, 50Hertz is responsible for high-voltage power transmission; control at this level is decisive for the stability of the grid and to ensure a secure electricity supply in Germany and Europe. We are part of a European grid association, working closely with colleagues throughout Europe. 50Hertz is part of a European company, working alongside Belgian grid operator Elia in the Elia Group. We work together closely in many key areas. Individual activities such as IT or purchasing are organised at the group level, which means that in these areas colleagues from Elia and 50Hertz work in a team from both Berlin and Brussels.

Whether you work on a platform, on substations, or in the office, if you want to work actively to combat climate change, you will find that the offshore division provides opportunities for meaningful work. The jobs available range from technical and engineering duties to administration and support services.


Testimonials
My application in five steps

Please do not hesitate to apply, even if you do not match the competence profile 1:1 in all points.
We welcome applications from people with disabilities. The 50Hertz Disabled Persons Representative (SBV) (sbv@50hertz.com) will be glad to advise you confidentially, including on the accessibility of our workplaces. If you would like to mention your (severe) disability already in the application form and/or your application, we will forward your application to the SBV so that they can actively support your application from the beginning.