Golang Developer for RESTful APIs & Testing

I'm seeking an experienced Golang developer to build RESTful APIs and write comprehensive integration tests.

Key Responsibilities:
- Develop RESTful APIs in Golang
- Handle various types of data including User data, Transaction data, and Product data
- Implement API key authentication method

Ideal Skills and Experience:
- Proficiency in Golang
- Strong experience in building RESTful APIs
- Familiarity with handling diverse data types
- Prior experience with API key authentication
- Ability to write effective integration tests