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
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Design, develop, and maintain robust, secure, and high-performance software solutions.
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Work across both Back-end and Front-end layers according to project requirements.
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Actively participate in software architecture and technical design activities.
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Build and maintain CI/CD pipelines using Azure DevOps and automate infrastructure with Terraform.
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Contribute to a major digital transformation program for a leading company in the energy sector, involving significant technological, organizational, and business challenges.
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Optimize data processing using Azure Databricks.
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Provide technical guidance and support to internal and client teams.
Required Profile
Experience
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Minimum 15 years of experience in software development.
Required Technical Skills
Back-end / Frameworks:
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.NET Framework
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.NET Core
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ASP.NET
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C#
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Entity Framework
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DDD (Domain-Driven Design)
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TDD (Test-Driven Development)
Front-end & Applications:
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Angular
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Windows Forms
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Web Applications
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Xamarin (Mobile)
Cloud & DevOps:
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Azure (Cloud Computing)
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Azure DevOps Services
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Azure Databricks
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Terraform
Tools & Environment:
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Visual Studio
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Microsoft SQL Server
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Databases (SQL, PostgreSQL, etc.)
Methodologies & Soft Skills:
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Structured software development
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Applied computer science
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Strong problem-solving skills
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Excellent communication skills
Languages
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French: Fluent
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English: Professional proficiency
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Dutch: A plus
Location & Working Conditions
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Position based in Île-de-France or Brussels
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Hybrid work available depending on the project
Why Join This Project?
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Large-scale project with a modern technology stack
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Experienced and dynamic team
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Opportunity to work across all layers of a software development project
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Transparent, people-focused, and high-quality support from HappeningIT
