
Java Architect/Tech lead (Kafka and Angular) (f/m/d)
50Hertz Transmission GmbH – a Company of the European Elia Group • Berlin • No time limit • Experienced professionals
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Vollzeit (37 Stunden pro Woche)
Berlin
Start: Zum nächstmöglichen Termin
Job-ID: 9928
I am the technical lead, being responsible for tailor made software developments addressing specific business needs and contributing to the digital energy transition.
Why is this role interesting for me?: The Elia Group is at the forefront of the energy transition. At the Elia Group, I can make an impact and create assets for an organization, which ensures the security of energy supply for 30 million people. As an architect, I will be part of an international development chapter, where professionals such as software engineers and architects collaborate, specializing in the development and maintenance of high-quality, scalable, and efficient software solutions. At the same time, I can continuously develop my strengths, take responsibility, share my knowledge and set standards for the Java development in a substantial domain serving the society.
My tasks:
- Technical leadership of a team of internal and external developers,
- Development of solutions and communication with various stakeholders,
- Identification of necessary software components and tools,
- Setting technical specifications and documentation,
- Ensuring a high development quality (e.g. via code reviews), implementing defined governance rules and standardization, related to a stable and durable application design,
- Implement cybersecurity best practices to protect critical energy infrastructure and ensure compliance with regulatory standards,
- Definition and maintenance of the relevant technology stack,
- Close collaboration with the internal application managers and product owners in a dynamic product organisationorganization.
My profile:
- IT/tech-related academic degree (bachelor’s or master’s degree),
- Several years of experience using the Java-stack,
- Very good knowledge of Java frameworks (e.g., Spring / Spring Boot),
- Expert experience with Kafka,
- Experience with Angular for the Frontend,
- Good knowledge of redundant, highly available systems, micro service architectures, API-centric system designs, and development environments,
- Knowledge of software design patterns and continuous integration methodology,
- Language skills: English (C1) and German (C1).
Nice to have:
- Experience with development in cloud environment (public and private cloud),
- Good knowledge of standards and Java web technologies (backend) such as gRPC, BPMN solutions as well as libraries for web front ends,
- Knowledge of OAuth2.0, graph databases, NoSql databases as well as Kubernetes.
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?
Chance to shape the Energy Transition myself
Various Working Time Models with a long-term Account
Support for personal development
30 days of holiday
Employee Events (e.g. Team Development Days and Company Party)
Fair remuneration and a wide range of social benefits
Professional Counselling Services on (mental) Health, Care, Law, Finances and more
Company pension
Flexitime with a long-term time account
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.
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.
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