Mark Grandjean
Self Employed
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolMark Grandjean is a software engineer in San Francisco with 12 years of experience building full‑stack web applications and internal tooling, currently contributing to Spotify’s podcast monetization efforts. He combines deep Ruby on Rails expertise from freelance work and prior roles—where he led migrations, instituted CI/code quality practices, and architected internal sales tools—with hands‑on experience in C# and data-driven systems. Comfortable operating across infrastructure and product boundaries, he has a track record of simplifying legacy stacks and removing external dependencies to improve reliability and developer velocity. A lifelong learner and travel enthusiast, he also brings a practical process mindset shaped by early Lean/Six Sigma exposure at Lockheed‑Martin and real‑world leadership from directing aquatics programs. This blend of operational rigor, full‑stack craftsmanship, and product-focused engineering helps him deliver monetization and growth outcomes in complex, production environments.
11 years of coding experience
14 years of employment as a software developer
None, Digital Forensics, None, Digital Forensics at University of Rhode IslandNone, Computer Science, None, Computer Science at The University of AizuBachelor of Science, Computer Science and Mathematics, Bachelor of Science, Computer Science and Mathematics at Rose-Hulman Institute of Technology
English
Github Skills (24)
testing9
ruby9
rake6
sneakers6
sinatra5
logger5
capistrano5
delayed-job5
hotel-booking4
airbrake4
resque4
rails3
sidekiq3
apm2
buildpack2
Programming languages (2)
Github contributions (5)
mrkgrandjean/haiku
Jun 2015 - Jul 2019
Contributions:5 pushes, 1 branch in 4 years
homelight/wkhtmltox-buildpack
Feb 2015 - Feb 2015
Contributions:13 commits, 2 pushes in 1 day
heroku-buildpackherokuwkhtmltoimagewkhtmltopdfbuildpack
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