Senior DevOps Engineer

Senior DevOps Engineer A fast-growing technology company building large-scale public data infrastructure. Its data pipelines collect, structure, and deliver high-volume public web data for organizations operating in cybersecurity, public safety, and digital risk protection. As part of an expanding R&D organization, the company is building Kraków into a key engineering hub focused on core systems, innovation, and future growth. Position Overview We are looking for a Senior DevOps Engineer to join the infrastructure team and help design, scale, and optimize high-volume cloud systems. You will work closely with engineering leadership on advanced infrastructure initiatives, including cloud architecture, Kubernetes migration, automation, CI/CD, reliability, and production operations. Responsibilities Support the migration from ECS Fargate to Kubernetes (EKS).Build and maintain Infrastructure as Code using Terraform and OpenTofu.Improve CI/CD pipelines using GitHub Actions.Manage and optimize high-volume AWS infrastructure.Improve system reliability, observability, security, and scalability.Support data-intensive infrastructure and production environments. Requirements 5+ years of DevOps, Infrastructure, or Cloud Engineering experience.Advanced hands-on experience with AWS.Strong production experience with Kubernetes/EKS.Expert-level experience with Terraform and Infrastructure as Code.Experience with Docker/ECS and CI/CD pipelines.Scripting or programming experience with Python, Go, or TypeScript, plus Bash.Strong understanding of monitoring, observability, and production reliability.Strong communication and problem-solving skills. Nice to Have Experience leading an ECS-to-Kubernetes migration.Experience with Karpenter, ArgoCD/Flux, KEDA, or VPC CNI.Experience with ClickHouse or ScyllaDB. Please note: This role requires working onsite in Kraków 3 days per week.