Kubernetes Expert | Site Reliability Engineer

• Management, further development, optimization and maintenance of Kubernetes clusters with over 600 applications (Rancher)
• DevOps transformation from on-premise applications to Kubernetes using IaC, Helm Charts, GitOps and manifests
• Automated integration and deployment with GitLab CI/CD (.NetCore, Java, Golang, NodeJS), using jobs such as builds, tests, vulnerability scans, integration tests, deployment and notifications
• Introduction of GitOps using ArgoCD and Gitlab runners
• Integration of logging, tracing and monitoring using Grafana, Prometheus, Grafana Mimir, Jaeger, Opentelemetry, Opensearch, InfluxDB, and Sentry
• Integration of endpoints with Prometheus metrics in applications (.NetCore, Java, Golang, NodeJS), as well as sidecar tracing using OpenTelemetry Operator
• Full provisioning of Grafana manifests (dashboards, alerts, etc.) using IaC and Helm Charts
• Introduction of a decoupled IAM system using Keycloak (Operator)
• Education and training of developers and system administrators in Kubernetes, observability and SRE approaches
• Consultant for architecture decisions regarding microservices in Kubernetes and tools, as well as databases
• Introduction of DevSecOps in CI/CD pipelines and Kubernetes - with tools such as HashiCorp Vault and Trivy
• Evaluation of the Confluent Kafka Operator in Kubernetes
• Introduction of integration tests with K6 Grafana
• Implementation of a notification system with Angular, NestJs, GraphQL, Postgres, VerneMQ and Golang
• Web development with Angular and NestJs

Industry 4.0

• Creation of an IT architecture overview for business use cases using a microservice and domain-driven approach
• Working with AWS and creating EKS clusters (Kubernetes), Route53, S3 and EC2 instances
• Management, optimization and maintenance of Kubernetes clusters (EKS)
• Management of VPCs and EC2 instances using Ansible and Terraform
• CI/CD pipelining with GitHub Actions, Helm Charts and ArgoCD (GitOps)
• Monitoring of applications and systems using Grafana, Prometheus and Influx Stack
• Creation and administration of Postgres databases
• Deployment of microservice applications in Kubernetes using ArgoCD (GitOps), as well as the creation of its manifests with Helm Charts (IaC)
• Web development with Angular, NestJs, GraphQL, and Postgres

Digital B2B Payment Solution

• Introduction of CI/CD pipelines for Angular applications, coupled with Nx
• Deployment of applications from GitLab to AWS servers (Apache)
• Further development of Azure DevOps CI/CD pipelines
• Conceptual design and implementation of a Kong gateway in an existing Azure Kubernetes Cluster (AKS)
• Architecture conception and presentation of Module Federation
• Web development with Angular, NestJs, GraphQL, and Postgres

IT Service Consultant

• Deployment of web applications to Apache servers
• Management and improvement of CI/CD pipelines
• Migration of an existing desktop application to a web application
• Technical evaluation, conceptualization and design of the microservice landscape of the new web application (C#, Delphi, SignalR, COM)
• Web development with Angular and NestJs

Construction Industry

• Development of medical IT-Products and systems in Delphi and C#
• Working with Firemonkey
• Administration and migration of Interbase Firebird databases
• Introduction and migration of CI/CD pipelines using TeamCity

Medical Technology