I am looking for an experienced full-stack developer to help with Stripe payment gateway integration and bug fixing on my existing website. Tech Stack Frontend: ReactJS Backend: Node.js + Express Database: MongoDB Hosting: Cloud / VPS (details will be shared) Scope of Work: Stripe Integration Integrate Stripe Checkout / Payment Intents Support: Card payments UPI (if possible via Stripe) Secure backend payment handling Test payments in Stripe test mode Webhook handling for payment status Clean & documented code 2. Bug Fixing Fix existing frontend & backend bugs Resolve API issues (if any) Improve error handling Ensure smooth checkout flow Requirements: Proven experience with Stripe API Strong knowledge of ReactJS & NodeJS Experience with REST APIs Ability to debug existing code Clear communication Deliverables: Fully working Stripe integration Bug-free checkout flow Short setup explanation / documentation Source code updated in my repository Budget Fixed or hourly (open to discussion) Please mention: Your expected cost Timeline (in days) When Applying, Please Share Previous Stripe integration work GitHub / portfolio (if available) Estimated time to complete this project