PHP programmer (with knowledge of Yii2) 4 hours a day at home

Required work experience: 3-6 years.
Making for 4 hours a day under a contract.
Accommodation: St. Petersburg.
The advantage is the self-employed.

Requirements:
The knowledge and ownership of PHP is at a very good level,
Knowledge and possession of yii2 at a very good level (core product),
Knowledge of web technologies and databases (html/css, javascript, JSON, MySL),
The ability to use API testing tools (e.g. Postman)
Knowledge of system administration and security principles on Linux, FreeBSD, docker (Ubuntu).

Conditions:
99% - remote work, free schedule,
rare trips to the office and to the Customers for the waiting(office in walking distance art.
Taking into account the latter, the applicant must live in St. Petersburg