Full Stack Developer C# SQL .NET

We’re a VC-backed stealth-mode company building behavioural AI solutions for the retail industry. Our mission is to bring the intelligence of modern machine learning directly to the in-store shopping experience. We’re looking for an experienced Full Stack Engineer to work closely with product, design, mobile, and machine learning team members to design & build experiences that re-define in-store shopping. You\’ll help help build engaging & intuitive web experiences and the event-driven & real-time backend services that power them. You’ll work across the stack, implementing highly responsive UI components and real-time data flows and APIs on a backend designed for scale & flexibility. Design and implement reactive, real-time web interfaces that help manage & redefine what is possible with in-store content personalisation Contribute to distributed, event-driven backend services connecting our web experience with information from remote devices and external data sources. Build and document APIs (OpenAPI/AsyncAPI) for mobile and web clients Model and manage structured and semi-structured data across storage layers Integrate AI-driven personalisation and real-time insights into user flows Contribute to overall system design: service boundaries, data ownership, scaling, and observability Built modern full-stack applications (Python/Java/Go + React) Experience with async and bi-directional communication protocols and patterns (eg. Built and deployed services on any major cloud providers\’ services (Azure, GCP, AWS) Worked with real-time data collection and/or processing Experience or knowledge in retail POS, inventory, or loyalty systems Worked with AI development tools (eg.