Jeffrey Guenther

Founder at Direct Digital Manufacturing Company

Victoria, British Columbia, Canada
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Summary

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Senior
🎓
Top School
Jeffrey Guenther is a product-minded founder and software engineer with 14 years of experience turning problems into practical products, from interactive data-driven websites to small automation scripts that save time. Based in Victoria, BC, he has built and led development teams—scaling engineering at The Beyond Group to support over $500M in merchant GMV—while also founding Loam Studios, Loam Capital, and a digital manufacturing startup focused on 3D printing. Technically hands-on, Jeffrey contributes to core open-source projects like Ruby on Rails (Active Storage, migrations, routing and cache fixes), showing a comfort with backend systems and platform-level concerns. He combines research rigor (PhD-level training in Interactive Arts and Technology) with a strong process orientation favoring fixed-time, variable-scope delivery and tools that improve developer velocity. Colleagues rely on him for pragmatic product decisions, developer tooling, and turning exploratory questions into well-scoped, shippable work.
code14 years of coding experience
job13 years of employment as a software developer
bookBachelor’s Degree, Computer Science, Bachelor’s Degree, Computer Science at Liberty University
bookDoctor of Philosophy (Ph.D.), Interactive Arts and Technology, Doctor of Philosophy (Ph.D.), Interactive Arts and Technology at Simon Fraser University
languagesGerman
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Stackoverflow

Stats
901reputation
54kreached
16answers
36questions
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Github Skills (16)

ruby10
database-migrations10
activerecord10
ruby-rails10
rails10
database-migration10
storage9
web-framework8
app-framework8
application-framework8
gradle6
antlr6
javafx6
swing6
ruby-on-rails6

Programming languages (10)

TypeScriptLiquidJavaShellRustSCSSJavaScriptGo

Github contributions (5)

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rails/rails

Nov 2017 - Dec 2017

Ruby on Rails
Role in this project:
userBack-end Developer
Contributions:29 commits, 1 PR, 26 comments in 1 month
Contributions summary:Jeffrey primarily contributed to the Rails framework, focusing on bug fixes and enhancements related to Active Storage and database migration functionalities. Their work included correcting documentation typos, addressing issues within the database migration test suite, and merging code branches. The user also made modifications to routing and cache store implementations.
ruby-on-railsrailsframeworkrubymvc
TheBeyondGroup/shopkeeper

Feb 2021 - Feb 2023

A CLI for managing settings and deployments of Shopify store themes.
Contributions:11 releases, 3 reviews, 211 commits in 1 year 11 months
clishopify-storesoclifstoresshopify
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Jeffrey Guenther - Founder at Direct Digital Manufacturing Company