{"id":1401103,"url":"https://alion.io/job/fuer-eine-erfolgreiche-energiewende-java-developer-backend-fmd","title":"Java Developer - Backend (f/m/d)","company":{"id":1815492,"name":"50Hertz","domain":"50hertz.com","url":"https://alion.io/company/50hertz","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":{"grade":"B","score":82,"open_postings":16,"ghost_share":0,"stale_share":0.938,"repost_share":0,"time_to_fill_p50_days":9,"computed_at":"2026-10-14T06:34:16Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Berlin, Germany"],"countries":["DE"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":63000,"max_usd":122000,"period":"year","method":"role_country_seniority_unknown","sample_n":158},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"Azure","optional":false},{"name":"Azure DevOps","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Flink","optional":false},{"name":"Java","optional":false},{"name":"Kubernetes","optional":false},{"name":"OpenShift","optional":false},{"name":"Spring Boot","optional":false},{"name":"Kanban","optional":true},{"name":"Scrum","optional":true}],"status":"live","first_seen_at":"2026-09-28T15:42:57Z","employer_posted_date":"2026-10-05","last_verified_at":"2026-10-14T13:10:19Z","board_verified":true,"closed_at":null,"days_open":16,"trust":{"level":"ok","repost_count":1,"flags":[],"days_open":15},"description":"Your job offer at 50Hertz Transmission GmbH (Elia Group)\nJava Developer - Backend (f/m/d)\nPlace of work:50Hertz : Berlin-Mitte - Heidestraße 2, 10557 Berlin\nEntry date: For the next possible date\nFixed-term (2 years) |Full time (37 h per week)\nJob ID:11069\n###start\nHier übernehme ich eine zentrale Rolle in Weiterentwicklung und Betrieb der Java Anwendungen von 50Hertz.\nDas 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.\nMeine Aufgaben:\nEntwicklung und Weiterentwicklung von Softwarekomponenten und -modulen innerhalb der definierten technologischen Rahmenbedingungen und Bereitstellung von Updates zur Umsetzung fachlicher Anforderungen, \nMitarbeit entlang des gesamten Service Lifecycles (Design, Build, Run), \nVorbereitung, Mitgestaltung und Begleitung von Architekturentscheidungen und -optimierungen, \nSicherstellung eines stabilen und zuverlässigen Betriebs der Anwendungen und kontinuierliche Verbesserung der Betriebsprozesse, insbesondere durch Ausbau und Optimierung von Monitoring-Lösungen, \nAnalyse, Behebung und nachhaltige Vermeidung von Produktions- und Stabilitätsproblemen, \nSicherstellung von Codequalität, Security, Dokumentation und Best Practices im gesamten Software Development Lifecycle (SDLC), \nWeiterentwicklung von Deployment-Pipelines (z. B. Azure DevOps),\nEnge Zusammenarbeit mit Fachbereich, Betrieb, Architektur, Service Ownern und weiteren Stakeholdern.\nMeine Kompetenzen:\nAbgeschlossenes Studium der Informatik, Wirtschaftsinformatik oder eine vergleichbare Qualifikation, \nMehrjährige Erfahrung in der professionellen Softwareentwicklung mit Java sowie modernen Frameworks (z. B. Spring Boot oder vergleichbar), \nFundierte Erfahrung in der Entwicklung von verteilten Systemen und Microservices, \nSehr gute Kenntnisse in Software-Design-Patterns, API-zentrierten Architekturen sowie hochverfügbaren und skalierbaren Systemlandschaften, \nErfahrung mit modernen Technologien wie Kubernetes, Docker sowie Kafka und/oder Spark/Flink, \nPraxis in der Entwicklung im Cloud-nativen Umfeld (z. B. OpenShift, Azure), \nKenntnisse moderner Entwicklungs- und Betriebspraktiken wie: CI/CD, Versionierung, automatisierte Tests, Clean Code, DevOps / SRE / Application Support, \nVerständnis von serviceorientierten Architekturen und modernen Betriebsmodellen, \nSehr gute Englischkenntnisse (mind. C1) sowie gute Deutschkenntnisse (mind. B2-C1).\nKein Muss, aber von Vorteil:\nKenntnisse in energiewirtschaftlichen Prozessen (z. B. Abrechnung von Smart Meter-Daten), \nErfahrungen mit regulatorisch geprägten IT-Systemen, \nErfahrung mit agilen Methoden (Scrum, Kanban).\nFlexi Compass - see how flexible this vacancy is\nWorking hours per week: 37 hours (full time),\nFlexible working hours and a long-term working time account supporting your work-life-balance,\nThe number of flex days is not limited,\nNo core working hours,\nMobile working, also from home, is possible.\n###stop\nBenefits\nComprehensive onboarding and individual training opportunities,\n30 days of annual leave,\nExceptionally collegial working environment,\nCompany pension scheme,\nProfessional advisory services on (mental) health, care, legal matters, finances, and more,\n… for more details visit our career website.\nYour application\nWe 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.\nPlease do not hesitate to apply, even if you do not match the competence profile 1:1 in all points.\nWould you like to learn more? Do you have (technical) questions about the task? Then write to . Please refer to the job ID 11069 in the email subject.\nWe welcome applications from people with disabilities. The 50Hertz Disabled Persons Representative (SBV) () 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.\n50Hertz Transmission GmbH - a company of the European Elia Group\nHuman Resources, Eduard Weissbrot, \nwww.50hertz.com","description_format":"text","description_chars":4710,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"German","level":"Upper-Intermediate (B2)","optional":false},{"language":"English","level":"Advanced (C1)","optional":false}]},"benefits":["Annual leave","Flexible schedule"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Energy & Utilities","Manufacturing","Science & Engineering","Power Grid"],"lifecycle":[{"event":"open","at":"2026-09-28T15:42:57Z"},{"event":"close","at":"2026-10-01T06:47:42Z"},{"event":"reopen","at":"2026-10-05T14:32:43Z"}],"visa":[],"liveness":{"score":15,"band":"cold","label":"Long shot","p_open":1,"p_active":0.334,"p_room":0.45,"age_days":15,"expected_fill_days":9,"reasons":["conf:4","stale_co","velocity","win:tail","comp:brand"],"computed_at":"2026-10-14T06:34:16Z"},"pay":null,"html_url":"https://alion.io/job/fuer-eine-erfolgreiche-energiewende-java-developer-backend-fmd","json_url":"https://alion.io/job/fuer-eine-erfolgreiche-energiewende-java-developer-backend-fmd.json","meta":{"generated_at":"2026-10-14T16:45:16Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":21322,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-15T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":1815492},"rest":"https://alion.io/mcp/rest/get_company?id=1815492"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ffuer-eine-erfolgreiche-energiewende-java-developer-backend-fmd"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Ffuer-eine-erfolgreiche-energiewende-java-developer-backend-fmd"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Ffuer-eine-erfolgreiche-energiewende-java-developer-backend-fmd"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/fuer-eine-erfolgreiche-energiewende-java-developer-backend-fmd\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ffuer-eine-erfolgreiche-energiewende-java-developer-backend-fmd"}]}