Senior Full-Stack Developer – Shopify, AI & Product Mockup Generation

# Senior Full-Stack Developer – Shopify, AI & Product Mockup Generation We’re looking for an experienced Senior Full-Stack Developer to help complete and improve an existing AI-powered e-commerce product. We already have a working MVP on Lovable. The product allows parents to create personalized birthday party designs using AI and purchase physical party products featuring their custom design. The main scope includes: * Completing and improving the existing website and customer experience * Building and improving the Shopify integration for packages, checkout and orders * Integrating AI image-generation APIs, with the flexibility to work with different AI providers * Building dynamic product mockups that automatically apply the generated artwork to existing product images such as plates, cups, napkins, party hats, popcorn boxes, signs and other party products * Handling masks, positioning, perspective/warping and print areas so each design is correctly mapped to the different products * Building a reliable backend for image processing, file storage and automated workflows * Generating production-ready files from completed orders for manufacturing The ideal developer has strong experience with: * Full-stack development * Shopify APIs, webhooks and custom integrations * Image processing and image compositing * Dynamic / automated product mockup generation * AI APIs and image-generation workflows * Backend architecture and secure image/file handling Experience with Canvas/WebGL, Sharp, ImageMagick, OpenCV, Photoshop/PSD automation or similar image-rendering technologies is a strong advantage. We’re looking for someone who can understand the complete product flow, assess the existing MVP, recommend the right technical approach, and take ownership of implementing it reliably. When applying, please share relevant examples, especially projects involving product customization, automated mockups, image processing, Shopify or AI image generation. Please also briefly explain how you would approach automatically applying one generated design across multiple physical product mockups with different shapes, dimensions and print areas.