{"id":2114951,"url":"https://alion.io/job/sii-net-developer-fmx-3","title":".NET Developer (f/m/x)","company":{"id":1387,"name":"Sii","domain":"sii.pl","url":"https://alion.io/company/sii","size_band":"5000+","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"Career sitemap","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"middle","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Łódź, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":45000,"max_usd":79000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":91},"experience_years_min":4,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"C#","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"Entity Framework Core","optional":false},{"name":"Jenkins","optional":false},{"name":"Kubernetes","optional":false},{"name":"MS SQL","optional":false},{"name":"Scrum","optional":false}],"status":"live","first_seen_at":"2026-09-17T13:21:37Z","employer_posted_date":"2026-10-19","last_verified_at":"2026-10-20T02:19:01Z","board_verified":true,"closed_at":null,"days_open":32,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":32},"description":"This offer base language is Polish.\nTranslate into English.\n\nThis translation is generic and may include errors.\nShow original text\nDołącz do zespołu zajmującego się wsparciem procesów w obszarze bankowości detalicznej w jednym z największych banków w Polsce.\nZespół tworzy systemy i narzędzia w wersji webowej, które pomagają w codziennej pracy pracowników ekosystemu, automatyzują procesy czy stanowią źródło integracji dla pozostałych systemów bankowych.\nJeżeli szukasz stabilnego i długoterminowego projektu oraz chcesz rozwijać swoje umiejętności programistyczne i mieć wpływ na kształtowanie rozwoju produktu, nie zwlekaj i już dziś wyślij swoją aplikację.\nTwoje zadania\nProwadzenie prac projektowych i implementacyjnych w systemach informatycznych opartych na technologiach Microsoft\nWspółpraca z użytkownikami biznesowymi (przy zbieraniu i analizie wymagań nowych rozwiązań) oraz z innymi zespołami IT, m.in. DevOps, QA\nAktywny udział w działaniach zespołu Scrum\nDbałość o wysoką jakość kodu poprzez tworzenie testów automatycznych, jednostkowych oraz E2E\nTworzenie i aktualizacja dokumentacji technicznej\nWymagania\nMinimum 4 lata doświadczenia przy tworzeniu i rozwijaniu modułów back-endowych w C# z MS SQL\nZnajomość .NET 4.8/6/8 Entity Framework, Web API\nPraktyczne doświadczenie z narzędziami CI/CD, m.in. Docker, Kubernetes, Jenkins\nDoświadczenie w pisaniu testów jednostkowych, automatycznych, E2E\nDobra znajomość języka angielskiego\nGotowość do pracy z biura min. raz na dwa tygodnie\nWymagana bardzo dobra znajomość języka polskiego\nNr oferty JOB-JLUA7\nSii zapewnia, że wszystkie decyzje związane z zatrudnieniem są podejmowane wyłącznie na podstawie kwalifikacji i kompetencji. Zobowiązujemy się do równego traktowania wszystkich osób, niezależnie od cech chronionych, oraz promowania zróżnicowanego i integracyjnego środowiska pracy.\nJoin the team supporting processes in the area of retail banking at one of the largest banks in Poland.\nThe team creates web-based systems and tools that assist in the daily work of ecosystem employees, automate processes, and serve as a source of integration for other banking systems.\nIf you are looking for a stable and long-term project and want to develop your programming skills while influencing the product's development, don't hesitate and send your application today.\nYour tasks\nLeading project and implementation work in IT systems based on Microsoft technologies\nCollaboration with business users (in gathering and analyzing requirements for new solutions) and with other IT teams, including DevOps and QA\nActive participation in Scrum team activities\nEnsuring high code quality by creating automated, unit, and E2E tests\nCreating and updating technical documentation\nRequirements\nMinimum 4 years of experience in creating and developing back-end modules in C# with MS SQL\nKnowledge of .NET 4.8/6/8, Entity Framework, Web API\nPractical experience with CI/CD tools, including Docker, Kubernetes, Jenkins\nExperience in writing unit, automated, and E2E tests\nGood knowledge of English\nWillingness to work from the office at least once every two weeks\nVery good knowledge of Polish is required\nJob no. JOB-JLUA7\nSii zapewnia, że wszystkie decyzje związane z zatrudnieniem są podejmowane wyłącznie na podstawie kwalifikacji i kompetencji. Zobowiązujemy się do równego traktowania wszystkich osób, niezależnie od cech chronionych, oraz promowania zróżnicowanego i integracyjnego środowiska pracy.","description_format":"text","description_chars":3453,"description_truncated":false,"requirements":{"experience_years_min":4,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"Polish","level":"All levels","optional":false},{"language":"English","level":"All levels","optional":false}]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Outsourcing & Dedicated Teams","Engineering Services","IT Staffing & Staff Augmentation"],"lifecycle":[{"event":"open","at":"2026-10-08T23:16:07Z"}],"visa":[],"liveness":{"score":54,"band":"ok","label":"Likely open","p_open":1,"p_active":0.721,"p_room":0.75,"age_days":31,"expected_fill_days":34,"reasons":["conf:3","velocity","win:late","comp:brand"],"computed_at":"2026-10-19T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/sii-net-developer-fmx-3","json_url":"https://alion.io/job/sii-net-developer-fmx-3.json","meta":{"generated_at":"2026-10-20T03:53:50Z","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":4346,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-21T00:00:00Z"}},"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":1387},"rest":"https://alion.io/mcp/rest/get_company?id=1387"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fsii-net-developer-fmx-3"},{"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%2Fsii-net-developer-fmx-3"},{"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%2Fsii-net-developer-fmx-3"},{"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/sii-net-developer-fmx-3\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fsii-net-developer-fmx-3"}]}