Senior Infra Software Engineer - GPU Provisioning & Kubernetes

Mirantis; Poznań; On-site; PLN 180,000 - 300,000; Full time

Job summary

Mirantis is seeking an experienced Full-Stack Software Engineer to design and implement Infrastructure Services powering our GPU-as-a-Service platform. You will build the control plane that translates high-level API calls into real infrastructure actions — enrolling bare-metal servers and provisioning them into multi-tenant Kubernetes clusters on high-performance hardware.

You will own the full lifecycle of infrastructure-level services—from API design to provisioning workflows and

Qualifications

• Experience designing RESTful APIs or gRPC services with versioning.
• Strong Go (backend) development experience.
• Deep Kubernetes primitives and controller patterns experience.
• Hands-on bare-metal provisioning including BMC/Redfish and PXE.
• Experience building asynchronous, long-running workflows (Temporal).

Responsibilities

• Design, build, and maintain REST and gRPC APIs for bare-metal lifecycle.
• Develop provisioning workflows for server enrollment, OS provisioning, and cluster bring-up.
• Create reliable, idempotent error handling and reconciliation loops.

Skills

REST/gRPC API design

Go programming

Kubernetes knowledge

Bare-metal provisioning

Asynchronous systems

Tools

k0rdent

Metal3

Cluster API

Temporal

Terraform

OpenTofu

ArgoCD

Flux

Job description

Mirantis is seeking an experienced Full-Stack Software Engineer to design and implement Infrastructure Services powering our GPU-as-a-Service platform. You will build the control plane that translates high-level API calls into real infrastructure actions — enrolling bare-metal servers and provisioning them into multi-tenant Kubernetes clusters on high-performance hardware.

You will own the full lifecycle of infrastructure-level services—from API design to provisioning workflows and