Senior.NET Full-Stack Developer

pLooking for a challenging project as a freelance .
NET Developer? Itenium connects you with projects that fit your expertise and preferences, so you can focus on delivering quality while we take care of the right opportunity. /pulliBuild and evolve backend services and APIs with .
NET and ASP.
NET Core /liliDevelop modern, responsive UI features using TypeScript and a front-end framework (Angular/React/Vue) /liliDesign clean, maintainable architectures using proven patterns and best practices /liliWork with data: SQL, Entity Framework, LINQ, performance and reliability /liliDeliver production-ready software via testing, code reviews, and CI/CD /liliCollaborate with agile client teams, translating business needs into working features end-to-end /li /ulh3Who we are looking for /h3picheck_circle_outline /i /ppExperience /ppAt least 5 years with . NET Core /ASP. NET Web API, with a clean code mindset. /ppicheck_circle_outline /i /ppFullstack Mindset /ppicheck_circle_outline /i /ppStrong in Entity Framework, LINQ, and async/await. /ppicheck_circle_outline /i /ppDevOps-Aware /ppFamiliar with CI/CD, DevOps, Design Patterns, Dependecy Injection. /ppicheck_circle_outline /i /ppTeam Ownership /ppFluent in Dutch, comfortable in English, collaborative and quality-driven. /ph3What our freelancers say… /h3pMany thanks to the Itenium family for the great support and smooth collaboration. I truly hope we can work together again. /ppFreelancer , /ppIn a business of faceless middlemen, this was truly an honest and hands-on approach. Itenium helped me launch my career to the next level, thanks guys /ppDan /ppFreelancer , /ppWhat I enjoy most in our collaboration is the open communication, the people focused attitude and knowing I can rely on Itenium whenever support is needed. /ppFreelancer , /ph3Ready to apply? /h3pExcited about this role? We’d love to hear from you /ppAccepted file types: jpg, gif, png, pdf, docx, xls, xlsx, Max. file size: 256 MB. /ppFounded in 2018 by consultants, for consultants, Itenium is driven by the belief that things can always be better (nominated for Trends Gazellen 2025). From our office in Mechelen, our 50+ consultants support companies across Belgium to build software solutions that truly work. /ppicheck_circle_outline /i /ppOur expertise /ppicheck_circle_outline /i /ppOur approach /ppQuality first—with real attention to our people. Our consultants are true experts, above-average senior IT profiles. We invest in personal growth through training and one-on-one coaching. Our motto says it all: “committed to pushing you forward.” /ppStill haven’t found what you’re looking for? We’ve got plenty of exciting roles waiting for you. /ppItenium connects you with projects that fit your expertise and preferences, so you can focus on delivering quality while we take care of the right opportunity. /ppilabel /i Freelancer /ppAre you a Data Engineer who wants to make real impact with data?brAt Itenium, you help build the data backbone of our clients. You turn raw data into reliable insights, create scalable pipelines and work with the latest cloud technologies. /ph3Apply spontaneously /h3pWe’re always on the lookout for talented and passionate individuals to join our team. Don’t see the perfect role listed? Send us your spontaneous application and discover what we can create together /p