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Salary
≈ $63k – $122k per year (Estimated)
Location
In office (Berlin)

Confirmed on the employer's own hiring board on Oct 12, 2026. First seen by Alion on Sep 28, 2026. 50Hertz scores B 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 Developer - Backend (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 (37 h per week)

Job ID:11069

###start

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

Das macht diesen Job für mich interessant: Als Java-Spezialist*in bin ich Teil einer unternehmensweiten Taskforce bei 50Hertz. In dieser Rolle arbeite ich an der Smart Energy Plattform - einer übergreifenden Plattform von 50Hertz zur Erfassung und Verarbeitung von Smartmeter-Daten. Ich entwickle moderne, skalierbare Software und übernehme gleichzeitig Verantwortung für stabile, sichere und zuverlässig betreibbare IT-Services, die einen zentralen Beitrag zur Systemsicherheit im deutschen Stromnetz leisten.

Meine Aufgaben:

  • Entwicklung und Weiterentwicklung von Softwarekomponenten und -modulen innerhalb der definierten technologischen Rahmenbedingungen und Bereitstellung von Updates zur Umsetzung fachlicher Anforderungen,
  • Mitarbeit entlang des gesamten Service Lifecycles (Design, Build, Run),
  • Vorbereitung, Mitgestaltung und Begleitung von Architekturentscheidungen und -optimierungen,
  • Sicherstellung eines stabilen und zuverlässigen Betriebs der Anwendungen und kontinuierliche Verbesserung der Betriebsprozesse, insbesondere durch Ausbau und Optimierung von Monitoring-Lösungen,
  • Analyse, Behebung und nachhaltige Vermeidung von Produktions- und Stabilitätsproblemen,
  • Sicherstellung von Codequalität, Security, Dokumentation und Best Practices im gesamten Software Development Lifecycle (SDLC),
  • Weiterentwicklung von Deployment-Pipelines (z. B. Azure DevOps),
  • Enge Zusammenarbeit mit Fachbereich, Betrieb, Architektur, Service Ownern und weiteren Stakeholdern.

Meine Kompetenzen:

  • Abgeschlossenes Studium der Informatik, Wirtschaftsinformatik oder eine vergleichbare Qualifikation,
  • Mehrjährige Erfahrung in der professionellen Softwareentwicklung mit Java sowie modernen Frameworks (z. B. Spring Boot oder vergleichbar),
  • Fundierte Erfahrung in der Entwicklung von verteilten Systemen und Microservices,
  • Sehr gute Kenntnisse in Software-Design-Patterns, API-zentrierten Architekturen sowie hochverfügbaren und skalierbaren Systemlandschaften,
  • Erfahrung mit modernen Technologien wie Kubernetes, Docker sowie Kafka und/oder Spark/Flink,
  • Praxis in der Entwicklung im Cloud-nativen Umfeld (z. B. OpenShift, Azure),
  • Kenntnisse moderner Entwicklungs- und Betriebspraktiken wie: CI/CD, Versionierung, automatisierte Tests, Clean Code, DevOps / SRE / Application Support,
  • Verständnis von serviceorientierten Architekturen und modernen Betriebsmodellen,
  • Sehr gute Englischkenntnisse (mind. C1) sowie gute Deutschkenntnisse (mind. B2-C1).

Kein Muss, aber von Vorteil:

  • Kenntnisse in energiewirtschaftlichen Prozessen (z. B. Abrechnung von Smart Meter-Daten),
  • 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 11069 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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