A start-up company in the field of (WELLNESS) requires a full stack developer to develop an application. You need experience building a scalable backend (Node.js / Firebase / Supabase / Python). Knowledge of API integrations with health trackers (Fitbit, Apple Health, etc.). Knowledge of AI integrations (GPT API, vector databases, embeddings). Experience with CI/CD, analytics, A/B tests, and data security. Understanding how to work with HIPAA/GDPR is desirable. Sensitivity to UX and psychological interface design is a huge plus. with a chat-oriented AI interface  It is necessary to: design the architecture, develop the user interface, server logic, databases, as well as for the integration and deployment of the application. Coordinating and advising other project participants. Ensure a fast MVP launch. Ensure: 1. Integration with devices: Apple Health, Fitbit, Withings, Oura, etc. 2. Backend architecture (if possible on serverless/Firebase/Supbase). 3. The Trust Score system and hybrid monetization (payment for the result). 4. Interaction with LLM (OpenAI GPT API) + generative training and nutrition plans. 5. In the future, ML/AI adaptation to the user's behavior and psychological profile.  Experience building a scalable backend (Node.js / Firebase / Supabase / Python). Knowledge of API integrations with health trackers (Fitbit, Apple Health, etc.). Knowledge of AI integrations (GPT API, vector databases, embeddings). Experience with CI/CD, analytics, A/B tests, and data security. Understanding how to work with HIPAA/GDPR is desirable. Sensitivity to UX and psychological interface design is a huge plus. Conditions: option, after successful launch of MVP - fix salary + bonus

For more information, please write to email: potapov.logistic@gmail.com