June 16, 2026

Senior Platform Engineer

Senior • Remote

Krakow, Poland

Job Purpose

We are looking for a Senior Platform Engineer with strong DevOps experience, combining deep operational expertise with a development background. You are comfortable working at the intersection of infrastructure, security, and application development, and you enjoy enabling other teams to move faster through well-designed platforms and abstractions. You bring both a builder and operator mindset: you design scalable systems, automate everything possible, and take ownership of platform reliability in production.

We offer B2B Contract (remote) or Offer of Employment/Umowa o prace (4 days mandatory working from our office in Kraków) - details to be discussed with your recruiter.

Key Responsibilities

  • Build and maintain core platform components (SSO, Access Management, clusters, networking, CI/CD, observability).

  • Own Terraform modules, baseline configurations, and guardrails for distributed teams.

  • Design and evolve platform “golden paths” — secure defaults, templates, and standards.

  • Maintain platform IaC (Terraform, modules, state design, multi-account governance).

  • Integrate with team-owned CDK stacks through stable platform contracts.

  • Lead evolution of platform abstraction layers and service catalogs.

  • Design and manage multi-account AWS landing zone (Orgs, SCPs, permissions boundaries).

  • Own developer onboarding patterns (IAM SSO access, automation, pipelines).

  • Build safe cross-account deployment workflows (GitHub OIDC, least privilege).

  • Design and operate ECS and EKS clusters used by hundreds of services.

  • Establish best practices for container execution, networking, autoscaling

  • Manage central networking components (VPC, TGW, Route53).

  • Ensure secure east–west communication between workloads in different accounts.

  • Provide self-service tools and templates for teams (pipelines, service definitions, actions).

  • Abstract platform complexity to enable fast and safe deployments for all teams.

  • Own documentation, workshops, patterns, and architectural guidance.

  • Operate and evolve platform-wide logging, metrics, and tracing systems.

  • Ensure operational standards for platform components.

You are meant for this job if:

  • Strong experience as a Platform Engineer / DevOps Engineer operating production systems at scale

  • Proven +4 years hands-on expertise with AWS, especially multi-account environments and organizational governance

  • Deep understanding of Infrastructure as Code, particularly Terraform (modules, state management, guardrails)

  • Solid experience running and operating EKS and/or ECS in production

  • Strong background in CI/CD, GitHub-based workflows, and secure deployment patterns (OIDC, least privilege)

  • Experience designing developer platforms and internal tooling for self-service and standardization

  • Strong understanding of cloud security, IAM, SCPs, permissions boundaries, and secure networking

  • Operational excellence mindset: monitoring, logging, alerting, SLOs, and incident handling

In addition to infrastructure and operations, you have hands-on development experience, allowing you to collaborate closely with application teams and design pragmatic platform contracts:

  • Professional experience developing services in one or more of:

    • Java / Kotlin (Spring Boot)

    • Node.js / TypeScript

  • Familiarity with modern API design, service runtime concerns, and container-based workloads

  • Ability to read, debug, and contribute to application code when needed

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