Our client is seeking a Senior .NET Consultant to strengthen its development team. The role focuses on enhancing and maintaining internal and client-facing applications, ensuring their reliability and operational continuity. You will translate business needs into technical solutions, contribute to process improvements, and collaborate closely with project and technical managers in a dynamic, multilingual environment. Responsibilities Analyze client requests and constraints to define technical or technological solutions and estimate workload. Adapt, maintain, and improve existing applications in line with the development lifecycle (coding, testing, production). Document all technical activities to ensure knowledge transfer and continuity. Maintain up-to-date technical expertise and awareness of the company context. Participate in technical reviews and controls with the Project Manager and technical manager. Profile must have Minimum 5 years of experience with Microsoft technologies. Mandatory mastery of Classic ASP, VBScript, and SQL Server. Good knowledge of Bitbucket. Basic knowledge of Windows Server, Active Directory, IIS, and Jira. Knowledge of DevOps and CI/CD concepts. Strong analytical and problem-solving skills. Ability to manage multiple concurrent tasks with limited supervision. Excellent interpersonal, communication, and collaboration skills. Fluent in French, Dutch, and English. Master's degree in Computer Science or equivalent experience. Profile should have: Knowledge of Azure (Cloud Functions, Power Automate). Mastery of Agile methodology. Experience with REST APIs, Software Testing, and Swagger. Profile could have: Knowledge of Java. Familiarity with Design Patterns. Skills in AS400 and DB2. Experience in on-call contexts (Not specified).