Michael Crumm
Principal Engineer at CargoSense, Inc.
California, United States
Summary
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Rockstar🎓
Top SchoolMichael Crumm is a Principal Engineer based in California with over a decade of hands-on experience building full-stack, production-grade systems and leading small engineering teams. He specializes in polyglot development, design patterns, TDD, and has recently been exploring Elixir/OTP—contributing notable fixes and features to the Phoenix ecosystem, including Phoenix LiveView and LiveDashboard. His background spans architecture and product work from video ingest pipelines and e-commerce billing to multi-tenant CMS and real-time dashboards, reflecting both backend rigor and UX-aware front-end contributions. At prior companies he improved performance (10x API response gains), shipped cross-platform mobile apps, and rolled out large-scale security features for millions of users. An active open-source contributor, he brings practical, component-level improvements to well-known projects while pairing mentorship and process improvements to accelerate team delivery.
12 years of coding experience
18 years of employment as a software developer
Computer Science Sociology, Computer Science Sociology at Knox CollegeGalesburg High SchoolRadio and Television Broadcasting Technology/Technician, Radio and Television Broadcasting Technology/Technician at Western Illinois University
Stackoverflow
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Github Skills (21)
javascript10
back-end-development10
apidoc10
elixir10
testing10
chartjs10
api10
phoenix-liveview10
front-end-development10
file-upload10
web-framework10
stripe-api10
phoenix-framework9
api-server9
apache-phoenix9
Programming languages (17)
Github contributions (5)
phoenixframework/phoenix_live_dashboard
Nov 2019 - Oct 2022
Realtime dashboard with metrics, request logging, plus storage, OS and VM insights
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:1 release, 9 reviews, 101 commits in 2 years 11 months
Contributions summary:Michael primarily contributed to the Phoenix LiveDashboard by implementing features, refactoring code, and updating dependencies related to LiveView components. The commits include adding and grouping LiveDashboard hooks, renaming components for clarity, and syncing chart data points. The user also bumped the phoenix_live_view dependency, showcasing familiarity with the Phoenix ecosystem and its libraries.
realtimeliveviewloggingrealtime-dashboardrequest-logging
phoenixframework/phoenix_live_view
Sep 2019 - Jan 2023
Rich, real-time user experiences with server-rendered HTML
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:51 reviews, 98 commits, 109 PRs in 3 years 4 months
Contributions summary:Michael primarily contributed to the Phoenix LiveView framework, focusing on both frontend and backend aspects. Their work involved adding features to LiveComponent, addressing session key issues, and fixing typos in the documentation. Additionally, the user implemented and improved features related to file uploads, demonstrating a strong understanding of component lifecycles, and event handling.
javascriptliveviewphoenix-liveviewexperiencesserver-rendered
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