DevOps Engineer (Kubernetes)

Location: Remote from anywhere; onsite work is also available in Belgrade or London

Company

hirify.global is a product-driven SaaS company that helps mobile apps manage in-app purchases and paywalls, powering 20K+ apps and processing $3B+ in annual subscriptions.

What you will do

• Own the Proxmox and Ceph platform, including capacity, upgrades, performance, and incident response.
• Run infrastructure across OVH, Hetzner, bare metal, AWS, and GCP.
• Drive resource rightsizing, identify overpayment, and verify infrastructure savings.
• Lead the separation of development workloads into a dedicated cluster without production downtime.
• Manage infrastructure as code with Terraform, Ansible, ArgoCD, and GitLab CI, avoiding manual production changes.
• Own on-call operations, incident response, root cause analysis, runbooks, and support for PostgreSQL, ClickHouse, and Aerospike.

Requirements

• 10+ years of experience with infrastructure and physical hardware, including work beyond managed cloud services.
• 5+ years running Kubernetes and cloud platforms in production.
• Hands-on experience with bare metal, OVH, Hetzner, AWS, and/or GCP.
• Strong Terraform, Ansible, ArgoCD, and GitLab CI skills, with infrastructure described as code by default.
• Demonstrated FinOps experience with measurable infrastructure costs before and after optimization.
• Ability to investigate problems through root cause and implement fixes beyond formal scope.
• Direct communication style, with risks and bad news raised early.

Nice to have

• Production experience with Proxmox and Ceph.
• Experience with PostgreSQL, ClickHouse, or Aerospike at scale.
• Experience splitting shared environments into isolated clusters.
• Experience building observability and on-call practices from scratch.
• High-load B2B SaaS experience.

Culture & Benefits

• Flexible remote work from anywhere, with optional onsite work in Belgrade or London.
• Direct communication, ownership, and a low-bureaucracy environment.
• Language learning, sports support, health insurance, and laptop coverage.
• Compensation is tied directly to results.