Medior .NET Backend Developer Job ID: JP055219

Itproposal; Brussel; Hybride; EUR 50 000 - 70 000; Plein temps

Résumé du poste

Itproposal is seeking a Medior .NET Backend Developer to support the development, maintenance and continuous improvement of core business applications. You will collaborate with analysts, architects and developers in an Agile/Scrum environment to deliver robust backend services and APIs.

You will design and manage SQL Server and Oracle databases, apply SOLID principles, and contribute to code reviews and testing. French language is mandatory, with Dutch and English as advantageous complements.

Qualifications

• Strong experience with .NET / .NET Core / .NET 8+.
• Strong Entity Framework Core experience, including complex query writing, reading 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 with Agile/Scrum development.
• Strong analytical and problem-solving skills.
• Autonomous, proactive and quality-oriented.
• Excellent communication and teamwork skills.
• French language mandatory; Dutch and English are advantages.

Responsabilités

• Develop and maintain backend services and APIs using .NET Framework, .NET 8+ and REST/WebAPI.
• Develop and maintain applications using ASP.NET WebForms/MVC.
• Design and manage SQL Server databases and Oracle databases.
• Use Entity Framework Core for data access and optimization.
• Work with XML, JSON, WCF and Web Services.
• 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, troubleshoot issues and participate in code reviews.
• Use Azure DevOps, Git and TFVC.
• Contribute to continuous improvement and Agile/Scrum activities.

Connaissances

.NET / .NET Core / .NET 8+

Entity Framework Core

ASP.NET / RESTful APIs

SQL Server / Oracle

Azure DevOps / Git

SOLID / OOP / design patterns

Agile / Scrum

French (native)

Communication / Teamwork

Unit testing

Outils

Azure DevOps

Git

WCF / Web Services

SQL Server Management

Description du poste

Medior .NET Backend Developer

Role Overview

We are looking for a Medior .NET Backend Developer to support the development, maintenance and continuous improvement of core business applications. You will work closely with analysts, architects and developers in an Agile/Scrum environment.

Responsibilities

• Develop and maintain backend services and APIs using .NET Framework, .NET 8+ and REST/WebAPI.
• Develop and maintain applications using ASP.NET WebForms/MVC.
• Design and manage SQL Server 2016–2025 and Oracle 19+ databases.
• Use Entity Framework Core for data access and optimization.
• Work with XML, JSON, WCF and Web Services.
• 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, troubleshoot technical issues and participate in code reviews.
• Use Azure DevOps, Git and TFVC.
• Contribute to continuous improvement and Agile/Scrum activities.

Requirements

• Strong experience with .NET / .NET Core / .NET 8+.
• Strong Entity Framework Core experience, including complex query writing, reading 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 with Agile/Scrum development.
• Strong analytical and problem-solving skills.
• Autonomous, proactive and quality-oriented.
• Excellent communication and teamwork skills.
• Fluent/native-level French is mandatory. Dutch and English are an advantage.

Assignment

• Location: Brussels
• Work model: Hybrid – 3 days onsite per week
• Language: French mandatory