Oleksandr Skoropad Email and Phone Number

• Automate virtual servers setup process (first version withbash-script, then Ansible playbook)• Setup cloud infrastructure for testing environments andproduction environment for clients (Ruby On Rails, Nginx,MySQL/PGSQL, AWS S3 with CloudFront for file storage)• CI/CD with Jenkins and Gitlab-CI• Move all company's services from RackSpace to AWS• Move client's project to AWS EKS:• Create EKS cluster with terraform• Prepare Dokerfiles for all project parts and build images withGitHub Actions• Helm-charts for all project parts• Add over-provision to minimize time to wait while new nodeis ready for scheduling pods (small dummy-app with lowpriority which works as a placeholder on new nodes andcan be terminated in case if resources are needed for "real"applications)• First version of Ansible playbook and ongoing review of changesfor "Zero downtime AWS RDS MySQL cluster upgrade" project(main instance and set of replicas). This playbook launch newcluster, setup data-migration from old instance via AWS DMS,during switchover all writes to old instance were blocked, dataconsistency checked and after that writes were enabled to the newinstance (downtime less than 30 seconds)