{"id":968073,"url":"https://alion.io/job/onwelo-senior-java-developer-banking-2","title":"Senior Java Developer (banking)","company":{"id":1834,"name":"Onwelo","domain":"onwelo.com","url":"https://alion.io/company/onwelo","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Schema","truth_index":{"grade":"C","score":64,"open_postings":28,"ghost_share":0.607,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":33,"computed_at":"2026-10-16T05:45:00Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Warsaw, Poland"],"countries":["PL"],"hiring_countries":["PL"],"hiring_countries_total":1,"salary":{"min":900,"max":1100,"currency":"PLN","period":"day","gross":null,"usd_annual":72500},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Java","optional":false},{"name":"Rest API","optional":false},{"name":"Spring Boot","optional":false}],"status":"live","first_seen_at":"2026-03-23T14:07:55Z","employer_posted_date":"2026-07-13","last_verified_at":"2026-10-17T03:23:50Z","board_verified":true,"closed_at":null,"days_open":207,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":206},"description":"Poznaj Onwelo\nOnwelo jest partnerem technologicznym, który dostarcza kompleksowe usługi, od strategii i architektury, przez wdrożenia, po utrzymanie, w obszarach transformacji cyfrowej, danych i automatyzacji. Nasz zespół liczy ponad 400 specjalistów z silnymi kompetencjami seniorskim, a na koncie mamy 300+ zrealizowanych projektów dla dużych organizacji w Polsce, Europie i USA. Działamy z kilku polskich miast oraz z biur w Niemczech, Szwajcarii i USA, łącząc lokalną obecność z globalnym zasięgiem.\nO projekcie\nSzukamy doświadczonego Senior Java Software Engineer, który wesprze nas w projektowaniu i rozwijaniu skalowalnych systemów backendowych opartych na mikroserwisach. Jeśli cenisz sobie jakość kodu, nowoczesne technologie i pracę w międzynarodowym środowisku - ta rola może być właśnie dla Ciebie.\nTwoje zadania\nTworzenie mikroserwisów w języku Java 21\n\nPrzeprowadzanie przeglądów kodu i dbanie o zgodność z najlepszymi praktykami\n\nOptymalizowanie wydajności i łatwości utrzymania rozproszonych usług\n\nTworzenie dokumentacji technicznej\n\nWspółpraca z zespołami produktowymi i technicznymi, dostarczając rozwiązania zorientowane na użytkownika\n\nUczestniczenie w pełnym cyklu tworzenia oprogramowania\n\nKogo szukamy\nMasz praktyczne doświadczenie z Java 21\n\nZnasz Spring Boot i umiesz budować mikroserwisy i projektujesz REST API\n\nMasz doświadczenie w automatyzacji testów\n\nPracowałeś z systemami bankowymi, ubezpieczeniowymi lub finansowym\n\nZnasz język angielski (w mowie i piśmie) na poziomie B2\n\nCo oferujemy\nElastyczne godziny oraz możliwość pracy zdalnej\n\nUdział w ciekawych projektach dla globalnych klientów\n\nAż 80% awansów w naszej firmie odbywa się wewnętrznie\n\n90% kadry zarządzającej ma wykształcenie techniczne\n\nDostęp do szkoleń wewnętrznych i ścieżek rozwojowych\n\nUdział w wydarzeniach zespołowych, firmowych spotkaniach i Town Hallach\n\nWsparcie w budowaniu profesjonalnego wizerunku (personal branding)\n\nDostęp do ubezpieczenia na życie oraz prywatnej opieki medycznej dla siebie i rodziny\n\nKarta MultiSport, która wspiera dbałość o zdrowie i kondycję","description_format":"text","description_chars":2075,"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":"Polish","level":"Advanced (C1)","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Poland","iso":"PL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Financial Services","Managed IT Services (MSP)","Custom Software Development","AI Consulting & Integration"],"lifecycle":[{"event":"open","at":"2026-09-16T16:02:12Z"},{"event":"open","at":"2026-09-30T16:20:03Z"}],"visa":[],"liveness":{"score":8,"band":"cold","label":"Long shot","p_open":1,"p_active":0.292,"p_room":0.28,"age_days":206,"expected_fill_days":33,"reasons":["conf:2","stale_co","velocity","ghost","win:tail","crowd:"],"computed_at":"2026-10-16T05:45:00Z"},"pay":{"stated_usd_annual":72500,"is_top_pay":false},"html_url":"https://alion.io/job/onwelo-senior-java-developer-banking-2","json_url":"https://alion.io/job/onwelo-senior-java-developer-banking-2.json","meta":{"generated_at":"2026-10-17T03:44:28Z","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":4893,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"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":1834},"rest":"https://alion.io/mcp/rest/get_company?id=1834"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fonwelo-senior-java-developer-banking-2"},{"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%2Fonwelo-senior-java-developer-banking-2"},{"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%2Fonwelo-senior-java-developer-banking-2"},{"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/onwelo-senior-java-developer-banking-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fonwelo-senior-java-developer-banking-2"}]}