Dan Mayer
Sr Staff Engineer at Shopify
Denver, Colorado, United States
Summary
🤩
Rockstar🎓
Top SchoolDan Mayer is a seasoned Sr. Staff Engineer with 16 years of experience building scalable web platforms and developer tooling, currently at Shopify in Denver. A veteran Rubyist and generalist, he has led distributed teams and architecture efforts at Stitch Fix and directed software at Off.Grid:Electric to deliver impactful, market-specific systems across Africa. He founded and scaled early Ruby-focused startups and open-source projects—most notably contributing backend and Redis-backed reporting enhancements to the widely used coverband code-coverage tool. Dan blends hands-on engineering with systems thinking to remove developer friction, improve productivity, and ship performant services at scale. Comfortable across AWS, Agile environments, and multiple languages, he still believes the web’s biggest revolutions are ahead and focuses on tooling that unlocks future possibilities.
16 years of coding experience
18 years of employment as a software developer
Computer Science, Computer Science at University of Colorado BoulderSHS
Stackoverflow
4,326reputation
465kreached
17answers
2questions
ruby
top-5%
reflection
top-5%
database
top-5%
heroku
top-5%
Github Skills (17)
redis10
ruby10
code-coverage10
reflection9
rails9
heroku9
configurations9
ruby-on-rails9
database9
hour6
subtraction6
code-analysis6
monkey-patching6
datetime6
static-analysis6
Programming languages (12)
Github contributions (5)
danmayer/coverband
Nov 2013 - Jan 2023
Ruby production code coverage collection and reporting (line of code usage)
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 releases, 60 reviews, 663 commits in 9 years 3 months
Contributions summary:Dan primarily contributed to the `coverband` library, which is a Ruby code coverage tool. Their work involved implementing core features for collecting, reporting, and storing code coverage statistics. The user focused on the backend aspects of the tool, including integrating with Redis for storing coverage data and enhancing the reporting process to generate and display coverage reports. They also made performance improvements.
sinatraline-of-coderack-middlewarerailsreporting
bhb/hundred-pushups
Nov 2016 - Dec 2022
React Native app for 100 pushups
Contributions:7 PRs, 7 comments in 6 years 1 month
reactfigwheelreact-nativenative-appandroid
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