Langchain with ChatGPT Integration for WordPress

I need a developer to integrate a Langchain + RAG-based ChatGPT on my WordPress website, primarily for customer support.

Key Requirements:
- Setup Langchain and RAG for dynamic responses
- Customize ChatGPT for our WordPress environment
- Ensure multilingual support (English, Spanish, French)
- Implement a user-friendly interface

Ideal Skills:
- Proficiency in WordPress development
- Experience with Langchain and RAG
- Strong knowledge of ChatGPT integration
- Multilingual application development

Please provide examples of similar work done and your approach to this project.