{"schemaVersion":"jobsearcher.job.v1","id":"f6ba2c90d47c5214b1a8e429","url":"https://jobsearcher.com/jobs/f6ba2c90d47c5214b1a8e429","canonicalUrl":"https://jobsearcher.com/jobs/f6ba2c90d47c5214b1a8e429","title":"Fullstack Developer - .NET, React Integrations - B3 Consulting Poland","description":"What you work on today shapes where you'll be tomorrow.\r\nLooking for your next challenge as a Fullstack Developer (.NET, React)? We may have the right opportunity for you.\r\nAt B3, we start with people and their experience. We match projects to your skills and professional growth path. Our consultants work across a wide range of industries and technologies, delivering IT projects both in Poland and internationally. This allows you to build your career in a deliberate way— not by chance.\r\nWe are part of an international organization listed on Nasdaq Stockholm, operating in 11 countries. In Poland, we operate with full autonomy. We choose our technologies, processes, and ways of working while maintaining the highest professional standards.\r\nJoin us today\r\nWhat we offer\r\nWork in a Scandinavian culture built on logic, trust, and open dialogue.\r\nHealth and sports benefits tailored to your needs.\r\nSpeed Coaching – short sessions designed to provide new perspectives and solutions.\r\nSports training, an internal team, and opportunities to take part in competitions.\r\nRole overview\r\nSystem integration in a Microsoft environment - backend development in C#/.NET, working with Azure Integration Services, handling both on-prem components (.NET Framework 4.8, Windows Server) and cloud workloads on Azure.\r\nERP implementation support - integrating the client's existing systems with a new ERP platform, and managing how the ERP integration impacts other integrations already in place across the organisation.\r\nApplication development and maintenance in the Microsoft stack - working with Microsoft SQL Server, ASP.NET (if a web interface is required), and React (frontend, a smaller part of the scope).\r\nWhat you need to join us\r\nMust have\r\nC# / .NET - backend development, including .NET Framework 4.8 for on-prem components running on Windows Server\r\nReact - frontend development\r\nAzure - cloud development and Azure Integration Services\r\nExperience with system integrations (ERP or enterprise system integrations)\r\nMicrosoft SQL Server (MSSQL) and on-prem Windows Server experience\r\nEnglish - fluent\r\nAbility to work in Poland (citizenship, residence permit, visa, etc.)\r\nNice to have\r\nASP.NET - web interface / web application (only if required)\r\nFamiliarity with ERP systems and their integration patterns\r\nJ-18808-Ljbffr","company":"Gravity Engineering Services","rawCompany":"gravity engineering services","city":"Poland","state":"NY","isRemote":false,"isActive":false,"createdAt":"2026-07-16T01:29:35.715Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Fullstack Developer - .NET, React Integrations - B3 Consulting Poland","description":"What you work on today shapes where you'll be tomorrow.\r\nLooking for your next challenge as a Fullstack Developer (.NET, React)? We may have the right opportunity for you.\r\nAt B3, we start with people and their experience. We match projects to your skills and professional growth path. Our consultants work across a wide range of industries and technologies, delivering IT projects both in Poland and internationally. This allows you to build your career in a deliberate way— not by chance.\r\nWe are part of an international organization listed on Nasdaq Stockholm, operating in 11 countries. In Poland, we operate with full autonomy. We choose our technologies, processes, and ways of working while maintaining the highest professional standards.\r\nJoin us today\r\nWhat we offer\r\nWork in a Scandinavian culture built on logic, trust, and open dialogue.\r\nHealth and sports benefits tailored to your needs.\r\nSpeed Coaching – short sessions designed to provide new perspectives and solutions.\r\nSports training, an internal team, and opportunities to take part in competitions.\r\nRole overview\r\nSystem integration in a Microsoft environment - backend development in C#/.NET, working with Azure Integration Services, handling both on-prem components (.NET Framework 4.8, Windows Server) and cloud workloads on Azure.\r\nERP implementation support - integrating the client's existing systems with a new ERP platform, and managing how the ERP integration impacts other integrations already in place across the organisation.\r\nApplication development and maintenance in the Microsoft stack - working with Microsoft SQL Server, ASP.NET (if a web interface is required), and React (frontend, a smaller part of the scope).\r\nWhat you need to join us\r\nMust have\r\nC# / .NET - backend development, including .NET Framework 4.8 for on-prem components running on Windows Server\r\nReact - frontend development\r\nAzure - cloud development and Azure Integration Services\r\nExperience with system integrations (ERP or enterprise system integrations)\r\nMicrosoft SQL Server (MSSQL) and on-prem Windows Server experience\r\nEnglish - fluent\r\nAbility to work in Poland (citizenship, residence permit, visa, etc.)\r\nNice to have\r\nASP.NET - web interface / web application (only if required)\r\nFamiliarity with ERP systems and their integration patterns\r\nJ-18808-Ljbffr","datePosted":"2026-07-16T01:29:35.715Z","dateModified":"2026-07-16T01:29:35.715Z","hiringOrganization":{"@type":"Organization","name":"Gravity Engineering Services","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Poland","addressRegion":"NY","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"f6ba2c90d47c5214b1a8e429"},"url":"https://jobsearcher.com/jobs/f6ba2c90d47c5214b1a8e429"}}