{"id":3744234,"url":"https://alion.io/job/siemens-java-developer-mfd","title":"Java Developer (m/f/d)","company":{"id":131,"name":"Siemens","domain":"siemens.com","url":"https://alion.io/company/siemens","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Avature","truth_index":{"grade":"A","score":100,"open_postings":24,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":12,"computed_at":"2026-11-04T06:34:25Z"}},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Lisbon, Portugal"],"countries":["PT"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Cameo Systems Modeler","optional":false},{"name":"Java","optional":false},{"name":"Oracle","optional":false},{"name":"PostgreSQL","optional":false},{"name":"SQL","optional":false},{"name":"TCP/IP","optional":false},{"name":"Windows","optional":false}],"status":"live","first_seen_at":"2026-11-04T12:32:42Z","employer_posted_date":"2026-11-04","last_verified_at":"2026-11-04T17:34:49Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"Create a better #TomorrowWithUs\nAt Siemens, we build technology solutions to shape the world we live in. We transform industries and societies by combining the real and digital worlds. With over 300.000 of the world’s most forward-thinking minds and the power of a presence in more than 190 countries, we make a truly global impact.\nAbout Portugal Tech Hub\nWe take on challenges to make life easier, safer, and more sustainable for us and generations to come. We bring value to the business digitalization transition, from Portugal to the world, in areas such as Artificial Intelligence, Analytics & Business Intelligence, Application Lifecycle Management, Cybersecurity, IT Infrastructure Management, IT Project & Service Management, IT Strategy, User Experience, and many more.\nWith a decade of history and around 1.600 experts, the Portugal Tech Hub is the home of the new technologists - Dream Builders, Impact Creators & Future Makers.\nAre you ready to be part of the change? Come join us! ⭐\nYour mission will be…\nWe’re looking for an experienced Java Developer who enjoys solving challenging technical problems, understanding complex applications, and turning existing solutions into more maintainable, reliable, and secure software.\nYou’ll join an international project environment where your contribution goes beyond writing code. You’ll have the opportunity to take ownership, improve established applications, tackle technical debt, and help shape their future evolution.\nWhat you’ll do\nDevelop, maintain, and continuously improve business-critical software solutions.\nUnderstand existing applications, challenge the status quo, and identify opportunities for modernization and improvement.\nRefactor legacy components while protecting stability and business continuity.\nInvestigate complex issues, identify root causes, and implement sustainable solutions.\nEnsure high standards for software quality, maintainability, security, and documentation.\nSupport integration, deployment, and operational readiness across the application lifecycle.\nTranslate business and functional needs into effective software solutions.\nCollaborate closely with developers, testers, architects, and project stakeholders across an international environment.\nTake ownership of your topics and proactively communicate progress, dependencies, and risks.\nWe are looking for someone with…\nBachelor’s degree in Computer Science, Software Engineering, IT, Engineering, or a comparable technical field, or equivalent relevant professional experience.\n4+ years of professional Java development experience, with a strong backend focus.\nStrong knowledge of Java EE / J2EE applications and architectures.\nExperience maintaining and refactoring legacy applications.\nStrong knowledge of WebLogic and JBoss, including configuration, troubleshooting, and optimization.\nSolid SQL and PL/SQL skills, particularly with Oracle Database and PostgreSQL.\nGood understanding of TCP/IP communication and system integration.\nExperience with Subversion (SVN), Ant, Eclipse, and MagicDraw.\nBasic Windows administration and troubleshooting knowledge.\nExperience with MES or manufacturing environments is a plus.\nEnglish is mandatory, as you’ll work and communicate in an international project environment.\nOccasional travel may be required for project activities, workshops, or team collaboration.\nWhat makes you a great fit\nYou’re someone who enjoys digging into complex systems and understanding how things really work. You combine technical expertise with ownership, curiosity, attention to detail, and a strong quality and security mindset.\nYou’re comfortable working autonomously, but you also recognize that great software is built through collaboration and knowledge sharing.\nWhat We Offer\nBelong & Innovate: Work in diverse teams where every idea matters and innovation grows through collaboration and trust.\nFlexibility that Works: Hybrid model, flexible hours, and a home office budget - because balance fuels performance.\nHealth & Well-being: Comprehensive health insurance, mental health support, and active sports communities to keep you feeling your best.\nGrow Without Limits: Access world-class learning platforms, mentoring, and continuous development opportunities.\nPurpose & Perks: Contribute to sustainability and volunteer initiatives, enjoy partner discounts, and take advantage of our convenient shuttle service.\nPlease attach your CV in English to your application, otherwise your application will not be considered\n #Siemens #PortugalTechHub\nSiemens is deeply committed to fostering a diverse and inclusive environment. 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