Matthew Mckeen is a Staff Engineer in San Francisco with 12 years building resilient, maintainable full-stack systems, cloud infrastructure, and edge container platforms. He has driven reliability and scalability at scale across Fastly, Slack, and Facebook, combining deep production engineering chops with hands-on systems design. Matthew contributes to notable open-source tooling—enhancing Docker workflows in HashiCorp's widely used Packer project—reflecting a practical focus on build and deployment ergonomics. His background spans storage, large-scale monitoring, and CI/CD automation, and he frequently bridges developer experience with operational rigor. Known for shipping pragmatic, testable solutions, he pairs platform-level thinking with day-to-day engineering ownership.
12 years of coding experience
12 years of employment as a software developer
University of California, Los Angeles
Computer Science, Computer Science at Stanford University
Packer is a tool for creating identical machine images for multiple platforms from a single source configuration.
Role in this project:
Backend & DevOps Engineer
Contributions:34 commits in 12 days
Contributions summary:Matthew primarily focused on implementing and improving the Docker-related functionalities within the Packer project. They introduced and refined post-processors for Docker image import and push, including features for handling Docker login with and without registries and Dockerfile builds. Furthermore, the user demonstrated an understanding of Packer's plugin architecture by registering new post-processors and modifying the configuration to enable the new features. The contributions centered around extending the project's capabilities for building and deploying Docker images.
Contributions:26 commits, 7 pushes in 1 year 9 months
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