- Participating in the creation of python based reporting apis. The code is hosted on Aws and technologies used in the setup are: Kubernetes (EKS), CloudFormation, Auto Scaling, Load balancing, Cloudfront, ECS, ECR, Elasticsearch, DynamoDB- Writing ci/cd yaml for code build automation via gitlab- Administration and maintenance of gitlab and Aws accounts, including CIS AWS Foundations Benchmark and AWS Foundational Security Best Practices certification- Performing regular security scans and audits of the frontend applications via Acunetix vulnerability scanner

- Install, configure and maintain servers (Raid controllers, Ipmi, Os). Hardware and software upgrades. Install and support virtual machines via Proxmox VE- Installation and maintenance of Jira, Confluence, Graylog, Nexus, Gitlab, Timeoff, Testlink, Kubernetes clusters, Distributed cache systems like Redis, Message brokers like RabbitMQ and Kafka, RDS like Postgres and Mysql, NoSql databases like Elasticsearch and Mongodb.- Create Gitlab CI/CD pipelines, including builds, unit, integration and acceptance tests, artifact management, delivery and deployment. - Create Dockerfiles and build images from Dockerfiles, upload images to a Docker registry (Gitlab repository, self hosted Nexus or Amazon ECR depending of the environment), use Docker volumes or kubernetes pvc for shared and persistent container storage.- Implement and maintain centralized logging and metric monitoring solutions like Prometheus, Grafana, Fluentbit+Graylog, Alert manager.- Create and support different environments based on Kubernetes both on bare metal (K3s Rancher for development environments), official K8s releases on premise and AWS Cloud (EKS).- Familiar with Spring boot microservices architecture, exposing actuator, fetching metrics via coreos and registering them as Prometheus targets. Using Spring Boot Admin for the second layer of monitoring. Using Jaeger for tracing relationships between microservices.

- Maintain servers and virtual machines- Create Gitlab CI/CD pipelines, including builds, unit, integration and acceptance tests, artifact management, delivery and deployment. - Create Dockerfiles and build images from Dockerfiles, upload images to a Docker registry (self hosted Nexus and Amazon ECR), use Docker volumes for shared and persistent container storage.- Implement and maintain centralized logging and metric monitoring solutions like Prometheus, Grafana, Fluentbit+Graylog, Alert manager.- Create and support different environments based on Kubernetes both on bare metal (K3s Rancher) and on the AWS Cloud (EKS).

- Develop and maintain complex systems and infrastructures to support the company’s products and systems.- Maintain high level of security and high availability at all times.- Support developers and engineers with deployment, troubleshooting and setups.- Monitoring and software updates.- Administration of web servers: Apache2, NginX, (PHP, php-fpm)- Administration of complex setups hosted on AWS (EC2, RDS, Route53, CloudFormation, Auto Scaling, Load balancing, Cloudfront, S3, Rabbitmq, Elasticsearch, Postgresql, Elasticache, Gitlab CE, Docker, Kubernetes k3s, helm, ECS, Nexus)- Creation of Gitlab CI/CD pipelines- Define and manage a container-based application for Kubernetes, including Deployments, Services, ReplicaSets, Pods, Ingress controllers

- Monitoring the systems- Linux administration, setup, and management (Debian based servers)- Create, maintain and monitor high performing MySQL database environment;- Detecting possible problems before they occur and give propositions how to be avoided

- Linux administration, setup, and management (both red hat and Debian based distributions). Mainly hosting and mail servers.- Testing, monitoring (cacti and nagios), managing and optimizing the company's internal infrastructure.- Participate in software and hardware upgrades.- Troubleshoot application issues and work with different teams for implementations.

- Support to end customers via phone and ticket system- Linux administration, setup, and management (both red hat and Debian bаsed distributions).- Testing, monitoring, managing and optimizing the company's internal infrastructure.- Participation in testing of new hosting control panel (mainly black box and penetration testing).- Guidance to customers of new website creation; agreements, maintenance. Websites setup and administration.- Troubleshoot application issues and work with different teams for implementations.

- Monitor and remove issues on computer systems, servers (Debian based) and communication devices.- Keep up computer systems and servers designed to work with databases and specialized software for records;- Monitor and support specialized database;- Prepare summaries of databases; Liaise with the company that provides communication connectivity between servers with databases. Administration and maintenance of CRM (Infoserv Call Centre) and Rt system.- Develop, implement, operate and maintain web-based products and programs; setting up the environment - create virtual hosts, bind entries.

- Responsible for addressing the received technical, communication and financial problems.- Advise customers of the company by phone and email.- Working with service technicians and specialized software- Testing of new company games.