Medior .NET Developer

Keystone Solutions; Brussel; Sur place; EUR 47 000 - 71 000; Plein temps

Résumé du poste

Keystone Solutions is seeking a Medior .NET Developer to join a migration project supporting essential information tools for Compensation Service. You will develop and integrate .NET components, using ASP.NET Web API, Blazor, and EF Core, and collaborate with the architecture group to tailor the solution for client needs.

On-site role based in Belgium, with a four-month full-time contract from 14/09/2026 to 31/12/2026, offering opportunities to learn and grow within dynamic projects across

Qualifications

• Medior .NET Developer responsible for development and integration of components.
• Document and customize the solution in collaboration with the architecture group.

Responsabilités

• Take charge of development based on .NET technologies and integration of components.
• Document and customize the solution in close collaboration with the architecture group.

Outils

ASP .NET Web API

Authentication/Authorization (JWT, OIDC, claims)

Blazor

C# / .NET (Core, 10)

Entity Framework Core

MVC

REST APIs

REST, Swagger/OpenAPI

SQL Server

Testing (unit + integration)

WCF

Description du poste

Mission Overview:

We are seeking a team to successfully execute a migration project for various essential information tools that support the business processes of the Compensation Service, aiming to modernize and enhance service continuity.

Role:

As a Medior .NET Developer, you are proficient in Microsoft technology solutions, specifically in .NET development. The Medior .NET Developer is responsible for the development and integration of various components.

Responsibilities:

• Take charge of development based on .NET technologies and the integration of various components;
• Document and customize the solution in close collaboration with the architecture group.

Behavioral Skills:

• Analyze information: Targeted analysis of data and critical assessment of information;
• Think analytically: Recognize structure in information, understand logical cause-and-effect links, and distinguish essential from accessory;
• Integrate information: Evaluate information - process information critically and assess available alternatives. Establish links between various data, design alternatives, and draw appropriate conclusions. Establish correct and relevant links between various data for integration into a coherent whole;
• Generate alternatives: Imagine and enumerate a series of alternatives;
• Draw conclusions: Develop an adequate conclusion based on the synthesis and generated alternatives.

As a consultant representing Keystone Solutions, you will work on-site, engaging with dynamic projects that offer diverse challenges across various client environments. This role promises turbo-charged learning opportunities and a commitment to your career growth within our framework. Being a

Duration:

14/09/2026 - 31/12/2026 4 months (full time)

Skills required:

• ASP .NET Web API - Level: Confirmed - Most recent: Any time
• Authentication/Authorization (JWT, OIDC, claims) - Level: Confirmed - Most recent: Any time
• Blazor - Level: Confirmed - Most recent: Any time
• C# / .NET (Core, 10) - Level: Confirmed - Most recent: Any time
• Entity Framework Core - Level: Confirmed - Most recent: Any time
• MVC - Level: Confirmed - Most recent: Any time
• REST API's - Level: Confirmed - Most recent: Any time
• REST, Swagger/OpenAPI - Level: Confirmed - Most recent: Any time
• SQL Server - Level: Confirmed - Most recent: Any time
• Testing (unit + integration) - Level: Confirmed - Most recent: Any time
• WCF - Level: Confirmed - Most recent: Any time

Language requirements:

Dutch
Level Active knowledge
English
Level Passive knowledge
French
Level Active knowledge