{"id":2111940,"url":"https://alion.io/job/matrix-global-services-ai-first-senior-java-developer","title":"AI-first Senior Java Developer","company":{"id":3913607,"name":"Matrix Global Services","domain":"matrixglobalservices.com","url":"https://alion.io/company/matrix-global-services","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":31900,"max":33200,"currency":"PLN","period":"month","gross":null,"usd_annual":101928},"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"C#","optional":false},{"name":"Java","optional":false},{"name":"Kanban","optional":false}],"status":"live","first_seen_at":"2026-10-07T11:30:21Z","employer_posted_date":null,"last_verified_at":"2026-10-07T11:30:21Z","board_verified":false,"closed_at":null,"days_open":10,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":10},"description":"About the job\nMatrix Eastern Europe, the offshore division of Matrix IT, one of the leading global R&D services companies with more than 11,000 professionals, is looking for a Senior Java Developer Engineer to join one of our teams \n\nOur client's Escalation Team is the first line of defense for our most urgent customer needs. They handle top-priority issues, critical production bugs, and urgent feature requests—where every second counts. If you thrive under pressure, love solving complex problems in real-time, and can deliver high-quality solutions at speed, this is the role for you.\nZakres obowiązków\nOwn critical fixes & urgent requests – Investigate and resolve high-priority customer-reported issues in live production.\nMove fast & execute flawlessly – Work in a dynamic, Kanban-style environment where priorities shift rapidly.\n Be the go-to expert – Debug, troubleshoot, and resolve complex challenges with real business impact.\n Work cross-functionally – Collaborate with Product, Support, and R&D teams to diagnose, fix, and deploy solutions quickly.\n Enhance & stabilize production – Ensure the performance, scalability, and reliability of Stampli’s integrations and platform.\n Balance urgency with quality – Deliver rapid solutions without compromising long-term stability or maintainability.\n Be proactive – Identify recurring issues and contribute to preventative solutions that improve overall system health.\nWymagania\n\nExperienced – 6-7 years of hands-on development in Java/C# (a must).\n\nAI-Proficient – proven track record of working with AI in previous roles\n\nFast & Fearless – You excel at troubleshooting, debugging, and fixing urgent issues under tight deadlines.\n\nCloud-Savvy – Experience with AWS is a strong advantage.\n\nProduction-Oriented – You’re comfortable working in live environments, balancing speed with stability.\n\nA Problem Solver – You think critically, act decisively, and thrive in high-pressure situations.\n\nA Priority-Driven Engineer – You understand business urgency and know how to navigate shifting priorities without missing a beat.\n\nA Team Player – You communicate effectively, work collaboratively, and thrive in a high-velocity environment.\n\nHigh Impact – Your work directly affects our customers’ business operations in real-time.\n\nFast-Paced & Exciting – Every day brings new challenges, high stakes, and meaningful wins.\n\nProblem-Solving at 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