Site Reliability Engineer

ShiftKey is a company operating a Marketplace platform with a focus on stability, security, and high availability. The team works in a "you build it, you run it" culture with a follow-the-sun model for global service availability, primarily requiring availability during Warsaw business hours. The team synchronizes in-office on Tuesdays and Wednesdays in the Warsaw Metropolitan Area.

• Practical experience with Terraform, CloudFormation, Pulumi, or similar tools on complex, production-level systems.
• Hands-on experience managing environments within AWS and Kubernetes.
• Strong programming background (any language) and a programmatic approach to solving infrastructure challenges.
• Deep understanding of web application basics (HTTP, HTTPS, SSL, GET, POST, PUT) for troubleshooting connectivity and service layers.
• Realistic, skeptical attitude toward tools; choosing the right technology for the problem.
• High team fit with ability to engage in constructive disagreement to reach the best technical outcomes.

• Balance efforts between proactive automation/tooling (50%) and platform maintenance/optimization (50%).
• Act as a designated "Point of Contact" for infrastructure support on a rotational basis (approx. 1 week per month) to ensure smooth service delivery.
• Troubleshoot complex distributed system issues, investigate logs, and debug pods using modern observability tools.
• Utilize modern AI tools (ClaudeCode, Cursor) to automate repetitive tasks and streamline workflows.
• Help with the migration of infrastructure stack to a new AWS region to optimize costs and availability.

Candidates should be based in the Warsaw Metropolitan Area. Primary availability is required during Warsaw business hours with no scheduled duties after 5:00 PM CET.