PhP Developer - Yii 2.0 - PostgreSL

Looking for a PHP developer (backend) to work on a large project at the junction of IT and retail
Project task.smartretail.pro website

We need to strengthen the current team and help with the rapid development of new features
The monetary reward is being discussed. You can start with work by the hour.

We are looking for a specialist for a long term. We expect to be ready to work on our project for at least 20 hours a week.
We work in Scrum (2 week sprints), we use Atlassian Jira and Confluence to manage the project.