I can help with your task.
Experience of maintenance of PostgreSQL servers of high availability and loading, 24x7,
backuping and restoring data.
Deploying and configuring CentOS 7, Postgresql( with backup,failover -
hot standby), monitoring(zabbix). Setting up scheduller pgagent, connection
pool pgbouncer for Postgresql.
Participation in development of database structure, setting up partition
mechanism for tables, searching "bottle necks" on queries layer, postgresql configuration settings level, hardware level. pl/pgsql skills