HappeningIT - Expert .NET Full Stack Senior

Job opportunity: senior .NET full stack expert (minimum 15 years of experience)
Location: France (Île-de-France) or Belgium (Brussels)
Long-term contract or permanent employment depending on the candidate's profile
HappeningIT, a recognized IT consulting and staffing firm, is looking for a Senior .NET Full Stack Expert on behalf of one of its major enterprise clients. The successful candidate will contribute to complex and innovative projects within an international environment.
This is a long-term assignment, with the possibility of a permanent position depending on the candidate's profile.

Main responsibilities

• Design, develop, and maintain robust, secure, and high-performance software solutions.
  
• Work across both Back-end and Front-end layers according to project requirements.
  
• Actively participate in software architecture and technical design activities.
  
• Build and maintain CI/CD pipelines using Azure DevOps and automate infrastructure with TerraForm.
  
• Contribute to a major digital transformation program for a leading company in the energy sector, involving significant technological, organizational, and business challenges.
  
• Optimize data processing using Azure Databricks.
  
• Provide technical guidance and support to internal and client teams.
  

Why join this project?

• Large-scale project with a modern technology stack
• Experienced and dynamic team
• Opportunity to work across all layers of a software development project
• Transparent, people-focused, and high-quality support from HappeningIT

• Experience:Minimum 15 years of experience in software development.
• Required technical skills:
• Back-end / frameworks:
  • .NET Framework
    
  • .NET Core
    
  • ASP.NET
    
  • C#
    
  • Entity Framework
    
  • DDD (Domain-Driven Design)
    
  • TDD (Test-Driven Development)
    
• Front-end & applications:
  • Angular
    
  • Windows Forms
    
  • Web Applications
    
  • Xamarin (Mobile)
    
• Cloud & DevOps:
  • Azure (Cloud Computing)
    
  • Azure DevOps Services
    
  • Azure Databricks
    
  • TerraForm
    
• Tools & environment:
  • Visual Studio
    
  • Microsoft SQL Server
    
  • Databases (SQL, PostgreSQL, etc.)
    
• Methodologies & soft skills:
  • Structured software development
    
  • Applied computer science
    
  • Strong problem-solving skills
    
  • Excellent communication skills
    
• Languages:
  • French: Fluent
    
  • English: Professional proficiency
    
  • Dutch: A plus