Senior .Net Developer – Belgium (Hybrid)

Hive-X

Brussel Hoofdstad

Sur place

EUR 60 000 - 80 000

Temps partiel

14 jours+

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Avantages offerts par ce poste

Flexible schedule

Possibility of teleworking

Workspaces organized according to activities

Easy accessibility via public transport

Company restaurant

Résumé du poste

Hive-X is seeking a Senior .Net Developer for a hybrid position in Brussels, starting 29 June 2026. You will design, develop, and maintain robust software solutions using Microsoft technologies, ensuring quality and performance while mentoring team members.

This role requires proficiency in .NET frameworks, ASP .NET, and a very good command of English, among other skills. The position offers a flexible schedule, teleworking options, and a balanced professional life.

Qualifications

Proficiency in one of the two national languages: FR or NL (level C2).
Very good level of English (level C1).

Responsabilités

Actively participate in the development of software components in .NET (Framework and Core).
Design scalable technical solutions in collaboration with the architecture team.
Technically supervise team members and foster a culture of excellence.

Connaissances

ASP .NET Web API

C# / .NET (Core, 10)

Entity Framework Core

Blazor

SQL Server

Testing (unit + integration)

MVC

REST API’s

Swagger/OpenAPI

Authentication/Authorization (JWT, OIDC, claims)

Description du poste

Senior .Net Developer – Belgium (Hybrid)

About the Mission

As a Senior .NET Developer, you play a key role in the design, development and maintenance of robust software solutions based on Microsoft technologies. You bring your technical expertise to guarantee the quality of the code, the sustainability of the solutions and the performance of the systems. You are also a technical mentor to other team members.

Responsibilities

Actively participate in the development of software components in .NET (Framework and Core)
Design scalable technical solutions in collaboration with the architecture team
Technically supervise team members and foster a culture of excellence
Carry out code reviews and ensure compliance with good development practices
Analyze functional needs with analysts and translate them into technical solutions
Ensure the quality, performance, security and maintainability of applications
Participate in optimizing system performance
Integrate and evaluate new technologies in line with business objectives

Behavioral Skills

Ability to critically analyze and integrate information
Structured and solution-oriented thinking
Ability to generate viable alternatives and draw relevant conclusions
Technical leadership and collaborative spirit
Resilience and adaptability in the face of technical or contextual changes

Language Skills

Proficiency in one of the two national languages: FR or NL (level C2)
Very good level of English (level C1)

We offer an interesting job in the provision of ICT and Data services which has an impact on society, with numerous advantages:

A good balance between professional and private life
Flexible schedule in the provision of 40 hours per week (7:30 a.m. to 8 p.m. with fixed times between 9 a.m. and 12 p.m. and 1 p.m. and 4 p.m.)
Possibility of teleworking
Workspaces organized according to activities
Easy accessibility via public transport
Car and bicycle parking in the building
Individual locker
Company restaurant

NL Versie

Als Senior .NET Developer speel je een sleutelrol bij het ontwerpen, ontwikkelen en onderhouden van robuuste softwareoplossingen op basis van Microsoft-technologieën. Je levert technische expertise, garandeert codekwaliteit en ondersteunt het technische mentor van je team.

Required Skills