Piotr – Prometheus, Datadog, Kubernetes

An all-in-one workplace platform combining project management, AI agents, and a shared company "brain" to help teams and software work together more efficiently, bringing all context and AI tools into one place.

• Managed and optimized production workloads on EKS, with a strong focus on performance tuning and cost efficiency.
• Built and maintained observability on DataDog, including dashboards, metrics, and logs from EKS workloads, CloudFront, and ALB.
• Designed and implemented a self-hosted, end-to-end logging and observability stack powered by Loki and Grafana.
• Developed scalable logging pipelines using AWS Glue, Athena, Vector, and DataDog for analytics and monitoring.
• Delivered observability pipeline architecture to ensure reliable, real-time operational insights.
• Administered and optimized AWS CloudFront CDNs to improve performance and edge delivery.
• Participated in on-call rotations and led incident response in production environments.

A global online marketplace platform connecting buyers and sellers for second-hand goods, vehicles, real estate, and jobs, headquartered in Amsterdam.

• Deployed and maintained EKS clusters at scale.
• Implemented CI/CD pipelines with GitLab Pipelines for automated testing and deployment.
• Utilized ArgoCD for GitOps practices, ensuring seamless continuous delivery.
• Enhanced system reliability through automation.
• Enforced security policies using Kyverno to ensure compliance standards.
• Implemented monitoring solutions using NewRelic and Prometheus Stack.
• Used Helm for packaging and deployment processes.
• Used Kustomize for customized Kubernetes manifest management.

A global online marketplace platform connecting buyers and sellers for second-hand goods, vehicles, real estate, and jobs, headquartered in Amsterdam.

• Maintained the Apache Solr search platform.
• Operated and maintained 40+ production Amazon EKS clusters across multiple AWS accounts and regions.
• Kept infrastructure as code using Terragrunt and Terraform.
• Kept sites operating reliably.
• Used monitoring tools including Prometheus, Thanos, New Relic, SignalFX, and Sentry.
• Used CI/CD tooling including GitLab Pipelines, Atlantis, and ArgoCD.
• Worked with the EMR big data platform.
• Designed and automated AWS infrastructure.

A company developing tools for real-time virtual reality streaming, enabling users to create and connect through interactive, immersive virtual reality experiences, including social streaming video and immersive 360° content.

• Managed infrastructure as code using Terraform and Helm.
• Maintained Kubernetes clusters on AWS using KOPS.
• Monitored infrastructure using Prometheus (Alertmanager, Thanos) and Grafana.
• Maintained MongoDB clusters, RabbitMQ clusters, S3-compatible object storages, and CDN storages.