.Net Developer K/M

ASTEK PolskaWarszawanofluffjobspublished 11/04/2026
Must-have:JavaScriptC#HTMLCSSGitFullstack
Machine translation — original language: Polish.Show original

Daily tasks

  • Designing, developing, and maintaining desktop and web applications using .NET / C#.
  • Creating and optimizing MS SQL Server databases, T-SQL queries, stored procedures, views, and SSRS reports.
  • Developing applications using WPF, MVVM, XAML, ASP.NET Core, Blazor, and ASP.NET Web Forms.
  • Designing and implementing REST API and Web Services (SOAP).
  • Developing solutions based on client-server architecture and multi-layer architecture.
  • Implementing data access using Entity Framework and ADO.NET.
  • Performance optimization, diagnosing and fixing bugs, and ensuring application stability.
  • Designing ergonomic user interfaces using JavaScript, CSS, and HTML5.
  • Source code management using Visual Studio and GIT.
  • Preparing technical documentation and collaborating with the project team during the implementation and deployment of solutions.

Requirements

  • You have very good knowledge of .NET technologies.
  • You have good knowledge of MS SQL Server, especially T-SQL, SSRS, stored procedures, views, mirroring, and replication.
  • You have experience in creating desktop applications for Windows using the MVVM pattern, XAML, and Material Design.
  • You know ASP.NET Web Full-Stack technologies, including ASP.NET Core, Blazor, ASP.NET Web Forms, and AJAX.
  • You know JavaScript, CSS, HTML5, and technologies related to C#/.NET, such as WPF, WCF, and LINQ.
  • You have knowledge of object-oriented programming (OOP) and design patterns.
  • You know Entity Framework and ADO.NET.
  • You have experience in building REST API and Web Services (SOAP).
  • You are very proficient in Visual Studio and the GIT version control system.
  • You have experience in building client-server applications and solutions based on multi-layer architecture.
  • You can design ergonomic and intuitive user interfaces.
  • You know how to work in a team.
  • You know English at at least a good level.

Must have: MS SQL Server, T-SQL, SSRS, Windows, MVVM, XAML, Material Design, ASP.NET, Blazor, Ajax, JavaScript, CSS, HTML5, C#, .NET, WPF, WCF, LINQ, OOP, Entity Framework, REST API, Web Services, SOAP, Visual Studio, Git