**Company Description** SGS is the world’s leading company in inspection, verification, testing, training, and certification. It is recognized as the global benchmark for quality and integrity, with over 95,000 employees and a network of more than 2,400 offices and laboratories around the world. **Job Description** We are looking for a Senior Full Stack .NET Developer to lead the design and evolution of key internal applications. This position combines hands\-on development with technical leadership—ensuring best practices, architectural consistency, and high\-quality delivery across the team. **Qualifications*** 7\+ years of experience in software development, including experience in senior or technical leadership functions. * Deep expertise in **C\#, ASP.NET, WebAPI**, and relational data models. * Strong command of **JavaScript** and frontend frameworks. * Advanced experience with **SQL Server**, performance optimization, and database design. * Experience defining and integrating technical solutions end\-to\-end. * Familiarity with **Azure** and CI/CD workflows in **Azure DevOps**. * Ability to mentor developers, lead discussions, and drive technical decisions. **Additional Information**