Full-Stack Developer for Nutrition App

We are seeking an experienced Full-Stack Developer to help build a modern nutrition, recipe management, and meal-planning web application. The project has already moved through planning, requirements, and prototype stages, and you will work with an existing technical and project team to deliver a reliable production-ready product. Key responsibilities include building user registration and authentication, ingredient and recipe management, nutritional calculations, meal planning, dashboards, and responsive cross-device experiences. Experience with SaaS, fitness or nutrition apps, calculation-heavy systems, and drag-and-drop interfaces is highly valued. Please share one relevant project you personally worked on, your role, preferred stack, and your availability and weekly capacity.