{"id":2113978,"url":"https://alion.io/job/code-pepper-senior-c-net-core-developer","title":"Senior C# / .NET Core Developer","company":{"id":13464,"name":"Code & Pepper","domain":"codeandpepper.com","url":"https://alion.io/company/codeandpepper","size_band":null,"is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Recruitee","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":[],"countries":[],"hiring_countries":["PL"],"hiring_countries_total":1,"salary":{"min":18000,"max":25000,"currency":"PLN","period":"month","gross":null,"usd_annual":76752},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":".NET","optional":false},{"name":"Azure DevOps","optional":false},{"name":"C#","optional":false},{"name":"Clean Architecture","optional":false},{"name":"Dapper","optional":false},{"name":"Entity Framework Core","optional":false},{"name":"MS SQL","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Rest API","optional":false},{"name":"Azure","optional":true}],"status":"live","first_seen_at":"2026-08-05T08:37:42Z","employer_posted_date":"2026-08-05","last_verified_at":"2026-10-17T05:27:55Z","board_verified":true,"closed_at":null,"days_open":73,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":73},"description":"Code & Pepper wspiera klientów w wymagających branżach, pomagając im w skalowaniu zespołów i budowaniu nowoczesnych produktów.\nPracuj z nami nad rozwojem nowoczesnej, dużej aplikacji tworzonej na potrzeby sektora publicznego, kładącej nacisk na bezpieczeństwo i niezawodność. Jako Back-end Developer będziesz odpowiadać za projektowanie, implementację oraz optymalizację logiki biznesowej przy użyciu C# i .NET Core.\nRola wymaga ścisłej pracy z relacyjnymi bazami danych, zaawansowanymi mechanizmami autoryzacji oraz stosowania praktyk Clean Architecture i DDD.\nRequirements\nMinimum 5-letnie ogólne doświadczenie komercyjne, poparte wyższym wykształceniem\n\nCo najmniej 3-letnie doświadczenie (uzyskane w ciągu ostatnich 5 lat) jako Programista Back-end w projektach komercyjnych (o budżecie min. 100 000 PLN netto)\n\nBardzo dobra znajomość języka C# oraz platformy .NET Core w kontekście aplikacji webowych i desktopowych\n\nPraktyczna umiejętność projektowania i implementacji bezpiecznego REST API\n\nBiegłość w stosowaniu wzorców projektowych oraz implementacji założeń Clean Architecture i Domain-Driven Design (DDD)\n\nDoświadczenie w pracy z relacyjnymi bazami danych (MS SQL, PostgreSQL), w tym optymalizacja zapytań, tworzenie indeksów oraz pisanie procedur składowanych\n\nPraktyczna znajomość systemów ORM (Entity Framework Core, Dapper)\n\nZnajomość nowoczesnych mechanizmów uwierzytelniania, autoryzacji i szyfrowania danych (JWT, OAuth2, FIDO2)\n\nUmiejętność pisania i utrzymywania testów jednostkowych oraz integracyjnych\n\nBiegłość w korzystaniu z systemu kontroli wersji GIT, środowiska Azure DevOps oraz znajomość języka angielskiego pozwalająca na swobodne czytanie dokumentacji technicznej\n\nJęzyk angielski na poziomie umożliwiającym swobodną komunikację\n\nCo możemy Ci zaproponować?\nWspółpracę w modelu B2B lub Umowa o pracę - Ty wybierasz\nWynagrodzenie dla UoP: 15 000 - 21 000 zł brutto\n\nStawka dla B2B: 18 000 - 25 000 zł netto + VAT\n\nBudżet szkoleniowy (do 2500 zł netto rocznie)\n\nElastyczne godziny pracy (z uwzględnieniem core hours)\n\nMożliwość 100% pracy zdalnej\n\nKarta Multisport Plus i prywatna opieka medyczna (Luxmed)","description_format":"text","description_chars":2134,"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":["IT Outsourcing & Dedicated Teams","Custom Software Development"],"lifecycle":[{"event":"open","at":"2026-10-08T23:15:11Z"}],"visa":[],"liveness":{"score":29,"band":"fade","label":"Fading","p_open":1,"p_active":0.653,"p_room":0.44,"age_days":72,"expected_fill_days":56,"reasons":["conf:0","win:tail","crowd:"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":76752,"is_top_pay":false},"html_url":"https://alion.io/job/code-pepper-senior-c-net-core-developer","json_url":"https://alion.io/job/code-pepper-senior-c-net-core-developer.json","meta":{"generated_at":"2026-10-17T09:06:29Z","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":11977,"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":13464},"rest":"https://alion.io/mcp/rest/get_company?id=13464"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcode-pepper-senior-c-net-core-developer"},{"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%2Fcode-pepper-senior-c-net-core-developer"},{"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%2Fcode-pepper-senior-c-net-core-developer"},{"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/code-pepper-senior-c-net-core-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcode-pepper-senior-c-net-core-developer"}]}