Liferay + SpringBoot Payment Integration

I'm looking for an experienced Liferay and SpringBoot developer to integrate a payment gateway into my application.

Key Requirements:
- Experience with Liferay (specify version) and SpringBoot
- Ability to integrate payment gateways

Ideal Skills and Experience:
- Strong background in Java and microservices
- Familiarity with payment processing and security standards
- Previous experience with similar integrations

Please provide your Liferay version and preferred payment gateway in your bid.