Cass Caplinger
New Garden Township, Pennsylvania, United States
Summary
🤩
Rockstar🎓
Top SchoolCass Caplinger is a web-focused software engineer with nine years of experience specializing in front-end development and test automation. They have shipped usability improvements and accessibility fixes across notable open-source projects like OpenDota and Refined GitHub, and stabilized end-to-end tests for Mattermost’s web app and Playbooks plugin. Comfortable working across UI polish and QA, Cass has a track record of replacing jarring loading states with skeleton loaders and tightening flaky tests to improve user experience and engineering confidence. Their background includes production-facing QA roles at Mattermost and BoomTown and early developer support at Codecademy, giving them a user-centric perspective on tooling and documentation. Based in Pennsylvania and trained in computer science at West Virginia University, Cass combines pragmatic front-end craftsmanship with a strong ethic for the social impact of technology. An often-overlooked strength is their iterative approach: small UI and test changes that compound into noticeably smoother product interactions.
9 years of coding experience
4 years of employment as a software developer
Bachelor of Science (B.S.), Computer Science, Bachelor of Science (B.S.), Computer Science at West Virginia University
Github Skills (23)
e2e-testing10
javascript10
cypress10
github10
browser-extension10
e2e-test10
css10
user-interface10
firefox-addon10
ui-design10
chrome-extension10
mattermost10
google-chrome-extension10
react10
test-automation10
Programming languages (9)
Github contributions (5)
mattermost/mattermost-plugin-playbooks
Oct 2021 - Nov 2022
Mattermost Playbooks enable reliable and repeatable processes for your teams using checklists, automation, and retrospectives.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:3 releases, 130 reviews, 63 commits in 1 year 1 month
Contributions summary:Cass primarily contributed to the front-end development of the Mattermost Playbooks plugin, focusing on the user interface and end-to-end testing. Their work involved creating new specifications and tests for various components, particularly the home section within the run details page. The user also made modifications to UI components, including input fields and text areas, and addressed code style issues. The contributions ensure the correct display and function of UI elements in the web application.
golangrepeatablechecklistsretrospectivesreliable
mattermost/mattermost-webapp
Nov 2021 - Sep 2022
Archived web app of Mattermost. Moved to the monorepo: https://github.com/mattermost/mattermost
Role in this project:QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:77 reviews, 15 commits, 25 PRs in 9 months
Contributions summary:Cass primarily focused on fixing and improving end-to-end (e2e) tests within the Mattermost web application. Their contributions involved identifying and resolving issues in existing tests related to custom emojis, integrations, and channel navigation. They updated test assertions and addressed dependencies between tests, improving test reliability and coverage. The user also worked on fixing accessibility test issues.
webapphttps-servermattermostmattermost-server
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