Stripe backend integration (golf coach now)

Stripe Backend Integration (Golf Coach Now) Title: Senior Backend Engineer — Stripe Checkout + Webhook Integration Project Overview: Golf Coach Now is ready for Version 1.0. Camera work is underway. UI is being completed. We now need a backend engineer to implement Stripe payments so users can unlock the product after purchase. Scope of Work: - Implement Stripe Checkout for one product - Create product, price, and payment link - Build a secure webhook endpoint to verify successful payment - Implement signature verification using official Stripe libraries - Return a simple JSON unlock signal to the mobile app - Provide test mode and production mode setup - Document the endpoint, payload, and unlock logic - Ensure idempotency (no double unlocks) Deliverables: - /payment/success endpoint - Stripe webhook handler - Unlock logic - Documentation - Test instructions - Production deployment instructions Tech Stack (choose one): - Node.js - Python - Go Requirements: - 3+ years backend experience - Stripe Checkout + webhook experience - Strong security practices - Clean, readable code - Fast communication Timeline: - 6–12 hours total - 2–3 days calendar time Budget: (fixed price preferred) To Apply: Send: - GitHub - Stripe samples - Webhook samples - Timeline - Rate