Carl Christian Sautter

• Migrating a monolithic environment to containers and Kubernetes starting in 2018.
• Development of new container-based services.
• Regular use in CI/CD, k8s and local development

• Development of a tracking solution and operation until 2023 (Matomo, k8s, GKE, GCP, Terraform, Docker, istio, Gitlab CI/CD) for an online community with over 5 million members.
• Setting up an on-premises Kubernetes solution at F&P as a dev/staging environment (Rancher, k3s, Proxmox, Calico).
• Migration of services to containers/Kubernetes (AWS, EKS, Helm, Docker, Terraform, Gitlab CI/CD).
• Development and operation of a scalable Gitlab Runner infrastructure for processing over 200 parallel CI/CD jobs. (AWS, EKS, Cluster Autoscaler, Spot Instances, Gitlab CI/CD, Terraform).
• Running Hashicorp Vault on the AWS Cloud Platform. Hardened and auditable implementation. (AWS, EKS, Vault)

Kubernetes Techstack: k3s, GKE, EKS, Helm, Terraform, Terragrunt, k9s, Cluster Autoscaler, istio, Traefik, Vault, Cert Manager, Gitlab CI/CD, Docker, Datadog, Prometheus, Grafana, MetalLB, trivy, fluentbit, AWS CloudWatch, kubectl … (Liste nicht vollständig)

• Entwicklung von Terraform Modulen und Konfigurationen für AWS, GCP, Kubernetes, Helm Charts, Vault, Gitlab CI/CD, Prometheus, Grafana, Proxmox, Rancher, MetalLB, fluentbit, Monitoring, Logging … (Liste nicht vollständig)
• Deploying Kubernetes clusters using Terraform on AWS and GCP.

Terraform Techstack: Terraform, Terragrunt, Tftui, Trivy, tflint

• Development of salt states for the configuration of servers and services.
• Development of a local test environment for Salststates using Docker and implementation of CI tests in Gitlab CI

Techs: Saltstack, Ansible

• Migrating services to containers/Kubernetes for an online community with several million members (AWS, EKS, Helm, Docker, Terraform, Gitlab CI/CD).
• Development and operation of a scalable Gitlab Runner infrastructure for processing over 200 parallel CI/CD jobs. (AWS, EKS, Cluster Autoscaler, Spot Instances, Gitlab CI/CD, Terraform).
• Running Hashicorp Vault on the AWS Cloud Platform. Hardened and auditable implementation. (AWS, EKS, Vault)

Techs: EKS, VPC, VPC Endpoints, EC2, Transit Gateway, Route 53, ECS, ECR, IAM, AWS IAM Identity Center (SSO), S3, Cloud Trail, Load Balancing (ALB/NLB), CloudWatch, RDS, KMS

• Development of a tracking solution and operation until 2023 (Matomo, k8s, GKE, GCP, Terraform, Docker, istio, Gitlab CI/CD) for an online community with over 5 million members.
• Introducing BigQuery and DataStudio to analyze SEO metrics

Techs: GKE, VPC, Compute Engine, Cloud Monitoring, Cloud Logging, Cloud SQL, Cloud Load Balancing, Big Query, Memorystore, Cloud Storage, Looker Studio (Data Studio), App Engine

• Implementation of cloud infrastructures in personal projects using Terraform (Virtual Machines, VM Scale Sets, AKS, Virtual Network)

• Implementation of Cloudflare DNS, WAF, CDN and configuration using Terraform for an online community with several million members. Provision of internal services using Cloudflare ZTNA. Development of a middleware using Golang, WASM, and Cloudflare Workers.

• Planning and implementation of the cloud migration of several services to the STACKIT Cloud: feasibility analysis, cost comparison and performance benchmarks. Migration of applications (Node.js, Kotlin, PostgreSQL) including adaptation and optimization for the target platform

Techs: SKE, PostgreSQL, Observability, Computing, Object Storage, Networking

Ziel ist ein schnelleres technisches Onboarding von Entwicklern durch eine konsistente, reproduzierbare Entwicklungsumgebung. Dadurch werden Setup-Probleme reduziert und die Produktivität im Team gesteigert.

Projekt: https://github.com/csautter/dev-alchemy