Location: Belgium (Hybrid: 3–4 days onsite)Start Date: ASAPContract Type: FreelanceAbout the Role:We are seeking a proactive and experienced Fullstack .NET Developer to support a leading innovator in sustainable 3D printing technologies. You will join a dynamic agile team working on an expanding platform that enables industrial manufacturing and personalized healthcare solutions. The role involves both hands-on development and team leadership, with a strong focus on backend functionality and cloud integration.Key Responsibilities:Design, develop, test, and deploy new platform featuresMaintain and improve existing systems while reducing bugs and technical debtLead and mentor a team of developersParticipate in agile ceremonies and contribute to backlog refinementStay up to date with industry trends and apply best practicesCollaborate on architectural decisions and integration strategiesDemonstrate attention to detail and a passion for 3D printing innovationYour Profile:Minimum 5 years of experience with C#, .NET Core, and TypeScriptStrong understanding of OOP, SOLID principles, and design patternsSkilled in web services and protocols like gRPC, OpenAPI, and RESTExperience with Entity Framework, SQL, and unit testing (TDD)Familiarity with MySQL, Postgres, or MS SQL ServerExperience with cloud platforms (e.g., AWS, Azure) and CI/CD toolsKnowledge of agile development and version control systems (Git, SVN)Strong organizational and time management skillsWillingness to coach junior team membersMathematical aptitude and strong problem-solving skillsInterest in or passion for 3D printing is a plusFluent in English