Among the biggest ones, who we deliver DevOps and sysadmin services to, you can find such ones: - advertisement marketing - we perform devops services, automation, infrastructure support and use Ansible, AWS stack, MySQL, Redis, Hadoop, hbase, druid.io - payment processing - we're in charge of automation processes, infrastructure support and use Ansible, AWS stack, Apache Tomcat, PostgreSQL, GlusterFS, ActiveMQ, etc. - e-commerce analytics - our role is delivering DevOps/system administration services, IT consultations, help for the team of developers, support of the development process, automation of all processes, infrastructure support. - Tools & Technologies - AWS EC2, AWS RDS, AWS SQS, AWS auto scaling, Chef, Bash, Python scripting, Jenkins, PostgreSQL, Docker.