Senior .NET Developer — Renewable Energy & Space Tech | Ghent / Antwerp / Brussels Location: Ghent, Antwerp, or Brussels (Hybrid/Remote options available)Industry: Renewable Energy & Outer Space InnovationRole Type: Full-time, PermanentLevel: SeniorFocus: 100% Development — No maintenance, no supportAbout UsWe're not your average tech company. We're building software solutions that power two of humanity’s most exciting frontiers: clean, renewable energy and outer space exploration.With innovation at the heart of everything we do, our teams are working on critical systems that help accelerate the green transition and support missions beyond Earth’s orbit. We're growing fast — and we're looking for exceptional developers to join us on the journey.What You’ll DoAs a Senior .NET Developer, you'll play a key role in designing and building cutting-edge software platforms using the latest Microsoft technologies. This is a pure development role — no legacy maintenance, no user support — just high-impact, forward-thinking code.You'll collaborate with passionate engineers and product experts across our Ghent, Antwerp, and Brussels offices to:Architect and develop clean, scalable, and secure .NET-based solutionsContribute to mission-critical systems in both the energy and space sectorsWork with Azure, Blazor, ASP.NET Core, Entity Framework Core, and moreLead best practices in software engineering, CI/CD, and code qualityExplore opportunities to integrate AI/ML and cloud-native servicesTech StackLanguages & Frameworks: C#, .NET 6/8, ASP.NET Core, BlazorCloud: Azure (Functions, App Services, DevOps, Cosmos DB)Tools: Git, Docker, Kubernetes, SQL ServerOthers: REST APIs, Microservices, DDD, Event-Driven ArchitectureWho You Are5+ years of professional .NET development experienceStrong background in backend and full-stack developmentComfortable with cloud-native and containerized environmentsPassionate about clean code, automation, and innovationInterested in the impact of technology on sustainability and spaceFluent in Dutch (English or French is a plus)Why Join Us? Work on groundbreaking tech that matters Focus purely on modern development — no distractions Be part of something bigger: sustainability & space Continuous learning culture with tech talks, conferences, and R&D Flexible hybrid working options and 3 Belgium hubs to choose from Competitive salary, stock options, and strong benefits package