Senior PayPal HK Integration Expert for SaaS

Posted 11 hours ago

Worldwide

Summary

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.

$800.00
Fixed-price
Expert
Experience Level
Remote Job
Complex project
Project Type

Skills and Expertise

Mandatory skills

PayPal Integration

API Integration

Activity on this job

Proposals:20 to 50
Last viewed by client:10 hours ago
Interviewing:
0
Invites sent:
0
Unanswered invites:
0

About the client

Member since Jan 24, 2026

France
11:14 PM

Explore similar jobs on Upwork

Senior App & Backend Developer for Custom Offerwall PlatformFixed-price‐ Posted 2 weeks ago

Redis

Android

Node.js

API

RESTful API

MySQL

Java

PHP

Backend DeveloperHourly‐ Posted 1 month ago

Golang

PostgreSQL

How it works

Create your free profile
Highlight your skills and experience, show your portfolio, and set your ideal pay rate.
Work the way you want
Apply for jobs, create easy-to-by projects, or access exclusive opportunities that come to you.
Get paid securely
From contract to payment, we help you work safely and get paid securely.