Milad Yarmohammadi

- Cut infrastructure costs by 70% by migrating from Arvan Cloud IaaS to bare metal Kubernetes integrated with Ceph Rook. - Implemented Terragrunt (a wrapper on Terraform) Infrastructure-As-Code with modules for S3, IaaS, and CDN for ArvanCloud services. - Centralized infrastructure and application performance monitoring, logs, traces, and metrics on DataDog using OpenTelemetry, Sentry, and Elastic SDKs.

- Reduced infrastructure costs by +$260k by migrating from AWS to OCI through virtualizing BM instances. - Utilized Blue-Green deployment strategy on GKE and self-managed clusters, enhancing rollback by 30%. - Developed Flask REST API for managing configurations, slashing management time by 80%. - Applied parallelized GitLab CI/CD build, optimized cache, and compressed artifact, boosting rate by 20%. - Improved provisioning and configuration using Ansible, Terraform, and Helm, enhancing time by ~10%.

- Owned multi-tenant private cloud using OpenStack, K8s, and Ceph, with +1000 VMs and +1PB capacity. - Automated operations using Ansible, Terraform, and Helm, enhancing provisioning time by +70%. - Developed a Flask wrapper for OpenStack + Ceph + Kubernetes integrated with HC Vault to handle ops. - Optimized GitLab CI/CD pipelines to accelerate deploys on Kubernetes resulting in a +10% ops rate. - Adopted observability with OpenTelemetry for all telemetry data types, boosting troubleshooting by 30%.

- Collaborated on the Rezvan Android app with +3M installs. - Delivered mobile and TV video streaming Android apps for Aio with +1M installs. - Developed VR Android applications (Divar360, and Toop360) using the GVR library with +100k installs.