Full Stack Developer (Backend & WhatsApp Automation) | Long-Term Opportunity | AI Wellness Startup

About Us We are building a subscription-based digital wellness platform that combines a web application with automated, personalized customer journeys through WhatsApp. The platform will allow users to register online, subscribe to services, interact through WhatsApp, receive scheduled content, and access personalized experiences through intelligent automation. We are looking for a hands-on Full Stack Backend Developer who can take ownership of the technical implementation and become a long-term technology partner as the product evolves. Job Responsibilities You will be responsible for: identify approximate project launch cost Developing and maintaining the backend architecture Website deployment and server management Database design and optimization API development and third-party integrations Payment gateway integration (Razorpay or similar) Integration with Meta WhatsApp Business Platform (Cloud API) Setting up WhatsApp webhooks and interactive messaging flows Developing automated workflows for personalized customer journeys User authentication and subscription management Building and maintaining the admin dashboard Monitoring application performance and resolving technical issues Managing production deployment, updates, and maintenance Recommending scalable technical solutions as the platform grows Required Skills Full Stack Development Backend Development Node.js / Python REST API Development API Integration JavaScript PostgreSQL / MySQL / Supabase Authentication & User Management Payment Gateway Integration Webhooks Git