Senior Backend Developer (.NET) at Smartcat 
Smartcat is the operating system for the global translation industry.
From $4К. Remote work.
Stack: PL: .NET Core; DB: MongoDB, PostgreSQL;
Hosting in the AWS; Elasticsearch cluster, indexes for several billion documents; ELK (EFK) for logging, VM, Prometheus and Grafana for metrics and monitoring.
Job description on GeekJob.ru