Senior Platform Engineer

Senior Platform Engineer at SumUp in Boulder, CO. Role involves designing infrastructure-as-code solutions, acting as technical bridge between US and global platform teams, improving monitoring/observability, building internal tooling, and leading migration of US infrastructure into a unified platform. Focus on developer experience and complex systems simplification in a fintech environment with office-first setup and cross-timezone collaboration.

Proven senior-level experience (~8+ years) in platform/DevOps/infrastructure engineering. Deep expertise in AWS (EC2, S3, RDS, VPC, IAM, EKS) and Kubernetes. Strong proficiency in IaC (Terraform/CloudFormation) and CI/CD (Jenkins, GitHub Actions, ArgoCD). Experience with service mesh (Istio), observability (Prometheus, Grafana, ELK/OpenSearch), and programming in Go, Python, or JavaScript/TypeScript. Comfortable working across globally distributed teams.