Roman Karpanin Email & Phone Number

Moscow, Moscow City, Russia

Responsibilities: - manage the Infrastructure division (DevOps and SRE teams of 10 engineers); - infrastructure strategy planning; - architectural decision making; - searching for bottlenecks, eliminating them and improving SLA; Achievements: - increased uptime from 99.5 to 99.9; - implemented the practice of posmortems; - implemented protection against DDoS attacks.

Moscow, Moscow City, Russia

Responsibilities: - lead a team of 4 engineers; - training on DevOps practices for developers; - participating in architectural decision making; - support more than 10 teams of developers and QA;Achievements: - implemented ServiceDiscovery based on HashiCorp Consul; - implemented AutoDevOps based on Gitlab-CI; - successfully migrated 3 projects from AWS and Hetzner to private cloud; - created a platform for analytics based on Apache Superset and Apache Airflow; - implemented a tracing system based on Jaeger in Kubernetes environment.

Moscow, Moscow City, Russia

Responsibilities:- implementation of DevOps practices and support of Python\JS development teams;- implementation and support kubernetes (RKE);- writing Ansible roles and playbooks, Helm Charts (IaC);- writing Gitlab-CI pipelines;- consulting developers on application architecture in a containerized environment;- implementation and support of monitoring systems (Prometheus, Graylog, Sentry);- support of Databases (PostgreSQL, MongoDB), message queue systems (RabbitMQ, Kafka), object storage (MinIO);- ensuring the inference of model calculations on GPU in cloud providers (Yandex.Cloud, MCS, SberCloud).Achievements:- implemented practice of "Review environments" in CD pipelines;- implemented of a fault-tolerant S3 object storage distributed cluster with 180 TB and 240 million objects (MinIO);- implemented of the logging system for 15 thousand messages\sec;- created kubernetes clusters on bare metal distributed across 3 data centers;- created PostgreSQL failover clusters (Patroni+PGBouncer);- transferred of more than 20 services to work in kubernetes.

Moscow, Moscow City, Russia

Responsibilities:- lead a team of 15 developers;- interviewing new developers;- design the architecture of new products;- maintenance and develop 10 current products.Achievements- successful launch of an educational product for 50 thousand users;- implementation of grading system for developers.

Moscow, Moscow City, Russia

Responsibilities:- build and implementation of the enterprise development and delivery platform (GitLab + Jenkins + SonarQube + Solar appScreener + Ansible + Kubernetes + Ceph + JFrog Artifactory + Prometheus + Grafana + Graylog + Selenium);- documenting the recommended CI/CD onboarding process and the DevOps Knowledge base;- conducting training webinars on the onboarding and implementation of DevOps practices;- implementation of security development process;- implementation of practice IaC (Jenkins Pipeline (groovy) + Ansible).Achievements:- more than 40 projects of the company use the DevOps delivery platform;- Time To Market decreased by 3 times in projects using the platform.

Moscow, Moscow City, Russia

Responsibilities:- lead a team of 5 DevOps engineers;- documenting the recommended CI/CD onboarding process and the DevOps Knowledge base;- support more than 20 teams of developers, QA and operation;- implementation of DevOps practices for JAVA \ JS applications in a containerized (Docker + Rancher \ Kubernetes) and virtual environment;- implementation of monitoring of the containerized environment - Prometheus + Grafana, virtual environment - Zabbix + Grafana);- implementation of processes for collecting application metrics (telegraf + jmxtrans + influxdb \ Prometheus + Grafana);- implementation of a centralized system for collecting application logs (Graylog + Filebeat + Logstash + Elasticsearch + Grafana);- implementation of approaches for using private repositories (mvn, npm, Docker registry - JFrog Artifactory / Nexus);- implementation of a system for collecting and visualizing dependencies between applications (OrientDB); - implementation of practice IaC (Jenkins Pipeline (groovy) + Ansible);- automation of installation and administration of application servers (Weblogic, Wildfly, Tomcat) and Oracle Service Bus;- use of cloud infrastructure based on MCS (Mail.ru Cloud Solutions);- review and approval of technical documentation.Achievements:- Time To Market decreased by 5 times in projects using the platform; - implemented zero downtime deployment in more than 50 products;- implemented containerization and kubernetes in production in a project with 11 million users;- implemented Jenkins Shared Library.

Moscow, Moscow City, Russia

Responsibilities:- creation and maintenance of the department’s infrastructure (Hardware + VMWare);- maintenance of servers based on MS Windows Server, Ubuntu, CentOS \ RHEL, openSUSE \ SLES (more than 70 servers);- deployment and administration of services: MS SharePoint Server, MS Project Server, Atlassian JIRA, Atlassian Confluence, GitLab, Testlink, GLPI, Zabbix;- setting Load Balancer \ Reverse Proxy (Nginx, HAProxy, Apache, IIS + ARR)- installation and administration of databases: MS SQL, Oracle, PostgreSQL;- localization and fix of incidents in the information systems;- technical support.Achievements:- implementation of the equipment accounting process;- successful migration of services (MS SharePoint Server, Atlassian JIRA, Atlassian Confluence) from local to the customer's infrastructure.

Moscow, Moscow City, Russia