MERN-Stack Jobs

I’m unifying three web properties under one codebase and need specific modules completed. For the e-commerce store the immediate priority is a rock-solid product inventory management layer that keeps stock counts accurate in real time, surfaces availability on the product page and plugs smoothly into my existing catalogue and checkout flows. Alongside that, I want a PayPal integration capable of handling recurring payments, standard one-time charges and full refund processing without manual intervention. The car-rental microsite already has basic pages; what it lacks is a booking calendar with availability logic that automatically blocks out a vehicle the moment a reservation is confirmed and updates across all views. Finally, the internal billing portal must generate branded PD...

*About Surefy Surefy is building a full-scale communication & verification platform, and we are expanding our WhatsApp Business API (BSP-level product). We already have core modules like: Campaign Management Template Management Basic Messaging Flows Now, we are looking for an expert to enhance, scale, and build advanced features similar to platforms like AiSensy / WATI / Gupshup dashboards. Role: WhatsApp API Product & Integration Freelancer Location: Hyderabad (Preferred) / Remote Type: Freelance / Contract (Long-term possible) *Objective Build end-to-end WhatsApp Business API platform capabilities inside Surefy (BSP-like system), including advanced automation, integrations, and scalability. *Key Responsibilities *Platform Development (Core Focus) Enhance existing modules: Ca...