Ahmet Erdönmez

GCA (Global Content Adaptation)

Bare Metal Cloud Infrastructure: Architected and deployed a production-grade Kubernetes cluster on Hetzner dedicated hardware. Orchestrated virtualization via Proxmox VE and provisioned VMs using Terraform (IaC), eliminating cloud vendor lock-in and reducing infrastructure costs by ~90%. GitOps & CI/CD Automation: Established a robust "Zero Downtime" deployment pipeline using GitHub Actions (CI) for container builds and ArgoCD (CD) for automated cluster synchronization. Implemented a fully automated workflow from code commit to production deployment. Advanced Networking & Security: Engineered a custom networking layer using iptables NAT strategies and Nginx Ingress Controller behind Cloudflare Proxy. Secured internal traffic and exposed services via NodePort and Ingress resources without relying on managed Load Balancers. Hybrid Cloud AI Orchestration: Designed a hybrid architecture where the control plane runs on Hetzner, while heavy GPU workloads (Transcribing, Voice Cloning) are

dynamically dispatched to Runpod on-demand instances via custom API integrations. Storage & Database Management: Deployed and managed stateful workloads (MongoDB, Redis) on Kubernetes using Longhorn for distributed block storage persistent volumes ensuring data on bare Microservices Architecture: Refactored the monolithic backend into decoupled, scalable microservices (API, Celery Workers, Socket Server), managed via Kubernetes Deployments and StatefulSets with auto-scaling capabilities

Mentored and guided students through the development of MERN stack projects, assisting with problem-solving and solution architecture. Conducted hands-on workshops and practical exercises covering end-to-end programming concepts.