.NET Developer

Quick Facts

Role: .NET Developer (project-based services). Location: Warsaw (hybrid: 2 days per week in the office). Budget: up to 145 PLN/h + VAT, depending on experience and scope.

Description

Design, develop, and maintain business applications using the .NET stack. Work on Windows desktop applications (WPF, MVVM, XAML), web/full-stack development (ASP.NET Core, Blazor, ASP.NET Web Forms, AJAX), data access with MS SQL Server (Entity Framework, ADO.NET), and system integrations (REST API, SOAP, WCF). You will also analyze business requirements, optimize performance of applications and databases, and maintain existing systems.

Responsibilities

• Design, develop, and maintain business applications in .NET
• Build and develop Windows desktop applications using WPF, MVVM, and XAML
• Develop and maintain web applications using ASP.NET Core, Blazor, ASP.NET Web Forms, and AJAX
• Design and implement a data access layer using MS SQL Server, Entity Framework, and ADO.NET
• Create and develop system integrations using REST API, SOAP, and WCF
• Participate in designing client-server architecture and multi-layer solutions
• Analyze business requirements, optimize performance of applications and databases, and maintain existing systems

Requirements

• Minimum 5–6 years of professional experience as a .NET Developer
• Very good knowledge of .NET and Windows desktop development (WPF, MVVM, XAML)
• Good knowledge of MS SQL Server, including T-SQL, stored procedures, views, SSRS, mirroring, and replication
• Experience building full-stack web applications using ASP.NET Core, Blazor, ASP.NET Web Forms, and AJAX
• Knowledge of JavaScript, CSS, HTML5, and related C#/.NET technologies such as WCF and LINQ
• Practical knowledge of Entity Framework and ADO.NET and building REST API and SOAP services
• Knowledge of design patterns, OOP, and multi-layer application architecture
• Experience working with Visual Studio and Git version control
• Ability to create ergonomic, user-friendly interfaces

Benefits

• Opportunity to deliver services in diverse projects across Software, Embedded, Data, and Cloud Services
• Involvement in additional pre-sales and expert initiatives
• Access to medical care, a sports card, and a cafeteria platform according to applicable cooperation rules