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Salary
≈ $63k – $121k per year (Estimated)
Location
In office (Berlin)

Confirmed on the employer's own hiring board on Oct 26, 2026. First seen by Alion on Sep 28, 2026. 50Hertz scores A on the Alion truth index.

Overview
Company
Impact
Profile match
50Hertz is one of the four electricity transmission system operators in Germany, headquartered in Berlin and responsible for the extra-high-voltage grid in eastern Germany and Hamburg, which supplies about 18 million people. Part of the Belgian Elia Group, it builds and operates overhead lines, substations, the SuedOstLink and NordOstLink projects and offshore grid connections in the Baltic Sea while integrating a large share of renewable power. Hiring covers electrical and civil engineers, substation and overhead line technicians, offshore operations staff, project and construction managers, IT and Java developers and apprentices, via an Elia Group board also listing Belgian roles.

Your job offer at 50Hertz Transmission GmbH (Elia Group)

Java Development - Focus on Software Architektur (f/m/d)

Place of work:50Hertz : Berlin-Mitte - Heidestraße 2, 10557 Berlin

Entry date: For the next possible date

Fixed-term (2 years) |Full-time (37h per week)

Job ID:11077

###start

Hier übernehme ich eine zentrale Rolle in Weiterentwicklung und Betrieb der Java Anwendungen von 50Hertz.

Das macht diesen Job für mich interessant: In dieser Rolle übernehme ich eine technische Lead-Rolle mit starkem Fokus auf Softwarearchitektur. Neben der Entwicklung von Java-Anwendungen gestalte ich aktiv die Zielarchitektur hochverfügbarer, sicherer und skalierbarer Systeme im Regelleistungsumfeld. Ich verbinde Entwicklung, Architektur und Betrieb und präge damit die technologische Ausrichtung maßgeblich.

Meine Aufgaben:

  • Technische Steuerung und Unterstützung von Entwicklungsteams sowie Übernahme architektonischer Verantwortung,
  • (Weiter-)Entwicklung und Wartung von Softwarelösungen (Frontend & Backend) über den gesamten Service Lifecycle (Design, Build/DevOps, Run) in interdisziplinären Teams,
  • Analyse, Behebung und nachhaltige Prävention von Produktions- und Stabilitätsproblemen,
  • Aufbau und Weiterentwicklung von Service- und Betriebsstrukturen,
  • Sicherstellung von Codequalität, IT-Sicherheit, Dokumentation und Einhaltung von Best Practices,
  • Durchführung von Tests sowie Unterstützung von Release- und Betriebsprozessen,
  • Enge Zusammenarbeit mit Betrieb, Product Ownern, Fachbereich und weiteren Stakeholdern,
  • Konzeption und Weiterentwicklung von Softwarearchitektur, inkl. Definition von Architekturprinzipien, Zielbildern und Technologie-Stacks sowie Sicherstellung von Hochverfügbarkeit und Skalierbarkeit.

Meine Kompetenzen:

  • Abgeschlossenes Studium der Informatik, Wirtschaftsinformatik oder eine vergleichbare Qualifikation,
  • Mehrjährige Erfahrung in der Softwareentwicklung mit Java, Spring Boot sowie JavaScript-Frameworks (idealerweise React),
  • Fundierte Kenntnisse in Microservice-Architekturen, API-zentrierten Systemdesigns sowie hochverfügbaren, skalierbaren Anwendungen,
  • Erfahrung im Design von Softwarearchitekturen sowie im Betrieb von Anwendungen (z. B. DevOps, SRE, Application Support),
  • Kenntnisse moderner Entwicklungsprozesse (CI/CD, Versionierung, automatisierte Tests) sowie Erfahrung mit Containerisierung und Orchestrierung (Docker, Kubernetes),
  • Verständnis für regulatorische Anforderungen und kritische Infrastrukturen,
  • Sehr gute Englisch- (C1) und gute Deutschkenntnisse (B2-C1).

Kein Muss, aber von Vorteil:

  • Erfahrungen mit Entwicklungen in cloud-native Umgebungen,
  • Kenntnisse in energiewirtschaftlichen Prozessen (z. B. Regelleistungsumfeld wie FCR/aFRR/mFRR),
  • Erfahrungen mit regulatorisch geprägten IT-Systemen,
  • Erfahrung mit agilen Methoden (Scrum, Kanban).

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.

###stop

Benefits

  • Comprehensive onboarding and individual training opportunities,
  • 30 days of annual leave,
  • Exceptionally collegial working environment,
  • Company pension scheme,
  • Professional advisory services on (mental) health, care, legal matters, finances, and more,

… for more details visit our career website.

Your application

We are constantly screening, so please apply as soon as possible. Please upload your CV and references (stating your salary expectations and availability or notice period) via our application form.

Please do not hesitate to apply, even if you do not match the competence profile 1:1 in all points.

Would you like to learn more? Do you have (technical) questions about the task? Then write to [email protected]. Please refer to the job ID 11077 in the email subject.

We welcome applications from people with disabilities. The 50Hertz Disabled Persons Representative (SBV) ([email protected]) 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.

50Hertz Transmission GmbH - a company of the European Elia Group

Human Resources, Eduard Weissbrot, [email protected]

www.50hertz.com

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