International Payment Gateway Integration

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Project Title

International Payment Gateway Integration – Stripe, PayPal, Wise & Payoneer (Fixed Price)

Project Description

We are looking for an experienced payment integration developer to integrate multiple international payment gateways into our company system.

The goal of this project is to enable secure international payments with multi-currency support and reliable transaction processing.

Payment Gateways to Integrate:

Stripe

PayPal

Wise

Payoneer

Scope of Work:

Full API integration of all four payment gateways

Secure checkout implementation

Multi-currency support

Webhook configuration for payment status updates

Proper error handling and logging

Sandbox and live environment testing

Payment success, failure, and refund handling

Basic fraud prevention setup (where applicable)

Clean and well-documented code

Deployment support

Technical Requirements:

Strong experience with REST APIs

Prior experience integrating Stripe, PayPal, Wise, and Payoneer

Knowledge of payment security standards and PCI compliance

Experience with international transactions

Ability to handle both one-time payments (and subscriptions if supported)

Deliverables:

Fully functional and tested payment system

Successful live transaction testing

Complete documentation

Source code with comments

Post-integration support for bug fixes (short period)

Budget:

This is a Fixed Price Project.
Please submit your fixed quote along with your estimated completion time.

When Applying, Include:

Your experience with similar integrations

Examples of previous work

Your fixed price

Estimated timeline

Your technical approach

We are looking for a professional and reliable developer. Successful completion may lead to long-term collaboration.