Position: DevOps engineer
Category: DevOps
English level: upper
Years of experience: 11

Long ago migrated internet facing servers from windows to RedHat, Implemented corporate PKI infrastructure for Ukraine national monopoly. Able repeatedly improve performance from 10 to 100 times almost anywhere - DB query optimisation, caching, moving to CDN, suggest changes to app logic, detecting bottlenecks and troubleshooting. Enjoy APM/distributed tracing/user experience monitoring/tracing tools. Breaking walls.
Experienced Engineer handling almost all aspects of IT since 2001: Database (MySQL, DB2, MSSQL, NoSQL, key-value like memcached and redis, indexes: elasticsearch and solr), Application servers like jenkins, networking/connectivity, routing, switching, IPSEC VPN/openvpn, bare-metal/cloud/on-premises, from classic snowflake servers to virtualization/cloud/kubernetes, middleware activemq/kafka, microservices architecture: spring boot java apps 100+. never stop improving. I understand what to improve, how to implement it, how much it will cost/save costs, how to sell it to the business. Leading DevOps team since 2018.
Product/Well Architected Framework.