Mark Kelnar
Website Consultant at Manchaca Optimist Youth Sports Complex
Austin, Texas, United States
Summary
🤩
Rockstar🎓
Top SchoolMark Kelnar is a seasoned website consultant and former principal engineer with 11+ years of experience building and optimizing web platforms from the infrastructure up. Based in Austin, he has deep WordPress and PHP expertise, having driven CI/CD, Docker, and DevOps improvements for prominent open-source projects like Faust.js and WPGraphQL. Mark combines hands-on backend work—schema improvements, enum handling, and large-scale MySQL optimizations—with practical ops skills such as debugging CI environments and configuring XDebug for reproducible testing. He left a long tenure at WP Engine to consult independently while also running a small-scale beekeeping business, a detail that reveals his methodical, hands-on problem-solving outside of code. An active contributor to well-known WordPress ecosystems, he brings both pragmatic engineering and systems-level thinking to website performance and developer workflows.
11 years of coding experience
24 years of employment as a software developer
BS, Computer Science, BS, Computer Science at Texas State University
Github Skills (25)
github-ci10
docker10
wordpress10
bash10
dockers10
wpgraphql10
cicd10
php10
wordpress-graphql10
graphql10
githubaction-workflow10
devops10
apidoc9
graphql-schema9
api9
Programming languages (5)
Github contributions (5)
wp-graphql/wp-graphql-acf
Mar 2021 - Nov 2022
WPGraphQL for Advanced Custom Fields
Role in this project:
DevOps Engineer
DevOps EngineerContributions:8 reviews, 25 commits, 3 PRs in 1 year 8 months
Contributions summary:Mark primarily focused on setting up and configuring the project's Docker environment for testing and development. They implemented XDebug for debugging, configured PHP settings, and modified entrypoint scripts to enable features based on environment variables. Additionally, the user made changes to the build process, added .env file support, and refactored the Docker image build command, enhancing the project's CI/CD pipeline and build automation. The user also updated the WPGraphQL plugin installation process.
apicustom-fieldswordpresswpgraphqladvanced-custom-fields
wp-graphql/wp-graphql
Mar 2021 - Dec 2022
:rocket: GraphQL API for WordPress
Role in this project:Back-end Developer
Back-end DeveloperContributions:51 reviews, 151 commits, 59 PRs in 1 year 9 months
Contributions summary:Mark's contributions primarily focused on enhancing the GraphQL API for WordPress. The user added filters to the WPEnumType class to modify enum values. They also addressed schema warnings by adding descriptions to various schema types, including enums, input types, and mutations, to improve the API's documentation and usability. Furthermore, the user made several code style fixes to improve readability.
gatsbyapigraphql-apiwordpresswp-graphql
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