Gwan -

• Implementing DevOps tools to create and optimize infrastructure for high availability and cost efficiency. • Utilized React Js and Java Spring Boot to develop an innovative platform for entrepreneurs to share ideas.

DevOps Engineer role: ------------------------- -> Creating and maintaining Jenkins files for CI/CD to update k8s deployments for microservices. -> Continuously improving application response times through the implementation of k8s autoscaler and optimization of cloud servers. -> Managing developer authentications using CSR so they can be authenticated using certificates, managing authorization using RBAC. -> Troubleshooting pipeline errors -> Maintaining and upgrading on-prem k8s clusters using best practices by draining nodes to be upgraded and marking them not schedulable after which they are brought back and marked schedulable. -> Monitoring cloud k8s clusters using Prometheus and Grafana by setting up alert rules in case of abnormalities and sending notifications to the company's slack channel. -> Maintaining cloud infrastructure using Terraform Linux Engineer role: ---------------------- -> Management of Linux systems and nfs servers and iscsi block storage. -> Troubleshooting server issues and securing servers through proper firewall rules and selinux. -> Automation of server updates and patching using Ansible

-Developed e-commerce platform with react js. -Assisted 50,000+ students learn and master frontend development technologies.