Are you a senior full stack engineer who loves building products and experimenting with AI? At ZendZend, we create innovative media solutions and are looking for a Senior Software Engineer (Full Stack & AI) to help shape and scale our next-generation platforms. NET, React and applying AI to real-world problems in a fast-moving startup environment, this role is for you. You are a Senior Software Engineer (Full Stack & AI) with a strong product mindset and a proven ability to design, build, and ship scalable systems. ~5+ years of experience building and shipping full-stack products, with a strong track record of delivering high-quality, production-ready code ~ Proficient in modern frontend development using React and TypeScript ~ Strong backend expertise with .NET, C#, .NET Core, and Entity Framework ~ Solid understanding of systems design, performance trade-offs and scalable architecture ~ Hands-on experience building and integrating AI-driven features into production applications ~ Familiarity with machine learning models, LLMs, and AI APIs (e.G. Experience with Python and AI/ML frameworks (such as PyTorch, TensorFlow or similar)~ Fluent in Dutch and English.