Collaborated with AWS teams on implementing DRS and LnS solutions for over forty applications.Work with system owners to migrate and modernize applications to AWS, supported infrastructure provisioning with Terraform and Terragrunt.

Worked with European customer to build, manage, and maintain microservice infrastructure in AWS.Automate deployments with Terraform, GitLab CI/CD, ArgoCD.Maintain and upgrade EFK and Prometheus-based monitoring systems.Migrate NGINX gateway to Oauth2-proxy gatewayMigrate gitlab runner from docker executor to k8s executorEnhance security by migrate credential base to IAM instance profile base authenticate via serviceaccount, apply gatekeeper policy, apply trivy system.English - able to commnunicate and transfer daily task with customer.

Gained foundational skills in Linux server management, researched MongoDB replication, LEMP stack basics, firewall configuration (iptables), and successfully planned and executed a MongoDB version upgrade in production