Implemented migration from Jenkins to Gitlab CIImplemented migration to the cloud (Openshift, OTC – Open Telekom Cloud)Implemented ELK (Elasticsearch, Logstash, Kibana) to analyze logs from containersImplemented Grafana + Victoria Metrics + Prometheus for monitoringConfigured and deployed Apache Kafka + Zookeeper to the Openshift with Helm (when charts were not provided by the community)Configured and deployed Netflix Cloud stack to the Openshift: Eureka, Zuul and Cloud configurationConfigured and deployed Vault with Zookeeper as a backend (switched to the Raft backend)Implemented IaaC with Pulumi (Golang) and AWS: EKS, RDS, Secret Manager, Route 53, EC2Implemented migration from OTC to AWS

Maintenance of development infrastructureMaintenance of all types of test environmentsMaintenance of build structureConfiguring continious integrationAdministrating of version control systemsPreparing software for the deliverySupport and troubleshooting of live production systemArranging the meetings with Product Owner and the Team

- Responsible for information security in the company; - Organization of a VPN, a secure network between distributed objects of the company; - Setting up and maintaining public Wi-Fi, implementing an SMS authorization system using ChilliSpot + FreeRadius; - Installation and configuration of Linux / Windows servers; - Expansion of the network infrastructure of the company; - Developed and implemented TMS (Time Management System) (NodeJS, MySQL, MQTT, C++); - Developed and implemented SMS messaging service (Java, MySQL, Kannel); - Development of reports for RKeeper CRM (MS SQL); - Setting up and maintaining the backup system; - Support for non-technical users, network of 100+ computers;