Exerience Golang (backend) Developer required - SaaS experience must

Experienced Golang (backend) Developer required, must have SaaS experience.

Tasks:
- API development
- Database management
- Performance optimization

Requirements:
- Strong experience in backend development using Golang
- Knowledge of API development and database management
- Ability to optimize performance for a scalable SaaS backend

Infrastructure:
- Existing backend infrastructure in place

Communication:
- Preferred method of communication is instant messaging

Please provide examples of your previous work in Golang backend development when applying for this project.