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# Medior .NET Backend Developer Job ID: JP055341

- **Company:** ITProposal
- **Location:** Brussel, Belgium
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** ASP.NET, .NET Framework, ASP.NET MVC Framework, Unit Testing, Microsoft Azure, Business Process Model and Notation, Business Software, Code Review, Databases, Data Security, Database Queries, Software Design Patterns, Entity Framework, Windows Communication Foundation, JSON, Microsoft SQL Server, Model View Controller (MVC), Object-Oriented Software Development, Oracle (Applications), Scrum Methodology, Query Optimization, Simple Object Access Protocol (SOAP), UML, Web Services, Extensible Markup Language (XML), .NET Core, Backend, Git, Solid Principles, Webforms, Redgate, Restful APIs, Web Api
- **Published:** September 5, 2026
- **Apply:** https://www.adzuna.be/details/5871635245

## About the Role

* Strong experience with .NET / .NET Core / .NET 8+.
 * Expert knowledge of Entity Framework Core, including complex queries and optimization.
 * Experience with ASP.NET, ASP.NET MVC and RESTful APIs.
 * Strong knowledge of SQL Server and Oracle.
 * Experience with Azure DevOps and Git.
 * Good knowledge of SOLID, OOP and design patterns.
 * Experience working in Agile/Scrum environments.
 * Ability to understand UML and BPMN models.
 * Strong analytical, problem-solving and communication skills.
 * Autonomous, proactive and quality-oriented.
 * Fluent/native-level French is mandatory.

Nice to Have

 * Experience with WCF, SOAP/Web Services and W3C standards.
 * Practical knowledge of Redgate tools.
 * Knowledge of TFVC.

## Description

We are looking for a Medior .NET Backend Developer to develop, maintain and improve core business applications in an Agile/Scrum environment. You will work closely with analysts, architects and other developers to deliver reliable and maintainable solutions.
Responsibilities

 * Develop backend services and REST/WebAPI using .NET Framework and .NET 8+.
 * Develop and maintain applications using ASP.NET WebForms/MVC.
 * Design, manage and optimize SQL Server 20162025 and Oracle 19+ databases.
 * Develop and work with XML and JSON.
 * Use Entity Framework Core for data access and complex query optimization.
 * Apply design patterns, SOLID principles and development standards.
 * Analyse functional requirements and translate them into technical solutions.
 * Perform corrective and evolutionary maintenance of existing applications.
 * Write and execute unit tests and troubleshoot technical issues.
 * Participate in code reviews and continuous improvement initiatives.
 * Use Azure DevOps, Git and TFVC.


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