GoLang API Development for User Data

I'm looking for a skilled GoLang developer to create three APIs for my project. The backend is written in GoLang and the database is PostgreSQL. These APIs will specifically handle user information.

Key Requirements:
- The APIs should support 'Read Only' operations
- The APIs need to deliver responses in JSON format

Ideal Skills:
- Proficiency in GoLang
- Experience with PostgreSQL
- Strong understanding of API development
- Familiarity with JSON

Please bid if you can deliver this task efficiently.