PayPal HK Checkout Integration & Management

Senior PayPal HK Integration Expert for SaaS

We’re looking for a senior developer with proven experience integrating PayPal Hong Kong for a SaaS platform.

Scope

Implement a complete production-ready PayPal subscription system including:

* PayPal Checkout
* Free trial → automatic subscription
* Monthly & quarterly subscriptions
* Recurring billing
* Subscription management (create, renew, cancel)
* Webhooks
* Failed payment handling
* Smart retries
* Payment synchronization
* Refunds
* Secure backend integration
* Production testing

Requirements

* Strong experience with PayPal REST APIs & Subscriptions API
* Experience building SaaS billing systems
* Clean, scalable, production-ready code
* Ability to deploy and support the integration

Please send:

* Similar PayPal projects
* Tech stack
* Estimated timeline
* Budget

Only developers with real PayPal subscription experience will be considered.