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Za tym stoi kod, który nie może się potknąć. Szukamy seniora .NET do zespołów fintechowych i płatniczych, gdzie każdy milisekundowy zysk i każda linia walidacji mają znaczenie.\n\nZakres obowiązków\n\n- projektowanie i rozwój usług backendowych w .NET (6+)\n- budowa i utrzymanie API dla systemów płatności i rozliczeń\n- udział w decyzjach architektonicznych i przeglądach kodu\n- dbanie o wydajność, bezpieczeństwo i stabilność rozwiązań\n- integracja z systemami zewnętrznymi (banki, operatorzy płatności)\n- mentoring młodszych programistów\n- współpraca z analitykami i zespołem QA\n\nWymagania stanowiska\n- min. 5 lat komercyjnego doświadczenia w C# i .NET (w tym .NET Core / .NET 6+)\n- bardzo dobra znajomość ASP.NET Core i budowy REST API\n- praktyczna znajomość Entity Framework oraz pisania wydajnych zapytań\n- doświadczenie z bazami SQL Server lub PostgreSQL\n- umiejętność pisania testów jednostkowych i integracyjnych\n- znajomość zasad SOLID, wzorców projektowych i Clean Code\n- praktyka w pracy z Git oraz pipeline'ami CI/CD\n- samodzielność, odpowiedzialność za jakość kodu i dobra komunikacja z zespołem\n\nMile widziane\n- doświadczenie z mikroserwisami i architekturą zdarzeniową\n- znajomość Azure (App Service, Service Bus, Functions)\n- praca z RabbitMQ lub Kafką\n- Docker i Kubernetes\n- doświadczenie w systemach płatniczych lub bankowych\n\nOferujemy\n- Realny wpływ na projekty globalne: Twoje rozwiązania będą używane przez zespoły na całym świecie.\n- Praca zdalna z zastrzeżeniem 1 dzień w miesiącu biuro w Warszawie.\n- Stabilność i rozwój: Dostęp do certyfikacji chmurowych, budżetów szkoleniowych i jasnej ścieżki awansu.\n- Prywatna opieka medyczna, karta sportowa.\nTech stack\n.Net\nSQL\nREST API\nAzure\nKafka","description_format":"text","description_chars":1780,"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":[]},"benefits":[],"hiring_locations":[{"name":"Poland","iso":"PL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-08T23:50:21Z"}],"visa":[],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":7,"expected_fill_days":29,"reasons":["seen:7","velocity","win:early"],"computed_at":"2026-10-13T05:45:00Z"},"pay":{"stated_usd_annual":91488,"is_top_pay":false},"html_url":"https://alion.io/job/codetalent-senior-net-developer","json_url":"https://alion.io/job/codetalent-senior-net-developer.json","meta":{"generated_at":"2026-10-14T02:47:05Z","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":4231,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-15T00:00:00Z"}},"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":4372489},"rest":"https://alion.io/mcp/rest/get_company?id=4372489"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcodetalent-senior-net-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%2Fcodetalent-senior-net-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%2Fcodetalent-senior-net-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/codetalent-senior-net-developer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcodetalent-senior-net-developer"}]}