Jacek Gratka

Build and develop AWS platform automation across global regions and around 10 AWS accounts, including ~10 EKS clusters worldwide and 100+ EC2 instances. Develop infrastructure and deployment patterns for EKS clusters and Docker Compose workloads, and build GitHub Actions workflows across 50+ active repositories.

Built and managed Azure infrastructure using Bicep, PowerShell and Azure DevOps for dev, UAT, pre-production and production environments across 3 regions. Developed CI/CD and GitOps deployment workflows using Azure DevOps, ArgoCD, Helm and Kubernetes manifests, including blue-green deployment capabilities.

Developed low-latency .NET 6 services for trading workloads and worked on migration from Kubernetes-based workloads to EC2 nodes to improve runtime performance. Created and managed AWS infrastructure as code using Terraform/Terragrunt and developed Kubernetes custom operators in Go.

Developed ASP.NET/.NET 5 microservices, ETL processes with Azure Data Factory, Azure DevOps CI/CD pipelines and AKS configuration. Worked with Azure Service Bus, RabbitMQ, Kubernetes and SQL Server, enhancing CQRS architecture and optimizing SQL Server communication.

Worked across client projects with a focus on full-stack .NET development, Azure infrastructure and CI/CD automation.

Developed ASP.NET Core applications on Azure and implemented reporting/data pipelines using Logic Apps, Azure Data Factory, Azure CLI, ARM templates and Azure VNet. Delivered a Power BI reporting pipeline one month ahead of the client deadline.

Led work distribution for a .NET team, defined component roadmap and developed/maintained enterprise .NET applications.

Developed and maintained PHP-based internal web applications.

Master of Science in Database Systems from Wroclaw University of Technology, completed in 2015.