GitHub Actions at scale: reusable workflows, composite actions, self-hosted runners, matrix builds, caching.

This role focuses on designing and implementing scalable GitHub Actions workflows and enterprise configurations to enhance developer productivity. The position involves building end-to-end agentic developer workflows that automate code changes, validation, and pull requests while establishing quality guardrails. Candidates will also be responsible for managing build engineering across mixed technology stacks and scripting in Python, Bash, or PowerShell.