.NET Developer
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Passionate about tech, digital, and innovation? Join the 1,800 employees at Smile, the European leader in open-source integration, spread across 20 agencies in 9 countries. Collaborative spirit and knowledge sharing are at the heart of our DNA. Our experts push the boundaries every day to build a smarter, more efficient, and more responsible digital world. Here, we don’t just follow trends, we create them 🚀 Join Smile in Brussels and take part in projects that truly matter 🌟 We are currently looking for a talented .NET Developer (Freelance) to join our dynamic team and work on high-impact projects for one of our major clients. Position Overview
- Status: Freelance
- Location: Brussels, Belgium (Hybrid model: 2-3 days of remote work per week)
- Designing and developing robust, scalable, and high-performance applications and APIs using Cand .NET (Core / 6+).
- Building and maintaining RESTful APIs and microservices with ASP.NET Core.
- Ensuring code quality through rigorous testing (unit, integration) and CI/CD pipelines (Azure DevOps, GitHub Actions).
- Collaborating closely with Frontend Developers, Product Owners, and DevOps engineers to deliver seamless digital solutions.
- Optimizing applications for performance, security, and scalability.
- Troubleshooting and debugging production issues to maintain high system availability.
- (For Senior profiles) Mentoring junior team members, driving technical architecture decisions, and championing best development practices.
- Strong experience in Cand the .NET ecosystem (.NET Core / .NET 6+, ASP.NET Core, Entity Framework).
- Solid understanding of relational and non-relational databases (e.g., SQL Server, PostgreSQL, Cosmos DB).
- Familiarity with RESTful APIs, microservices architecture, and design patterns (SOLID, Clean Architecture, DDD).
- Experience with Azure (App Services, Functions, Service Bus) and containerization (Docker, Kubernetes) is a strong asset.
- Good understanding of Git, CI/CD tools, and agile methodologies (Scrum/Kanban).
- Excellent problem-solving skills and a strong team spirit.
- Language: Professional fluency in English. Knowledge of French or Dutch is a plus.
- Proximity Management: Our management by peers fosters open dialogue and the implementation of a tailored career path.
- Continuous Learning: Because the digital sector is in constant motion, Smile is committed to making you an expert in your field, thanks to a comprehensive training offer: access to an e-learning platform, financing of certifications, and knowledge-sharing tools.
- Vibrant Culture: Your year will be animated by group and agency events: annual convention, participation in trade fairs, summer party, and formal & informal afterworks.