John Holland
Summary
👤
SeniorJohn Holland is a seasoned software engineer with 11 years of experience across consumer, retail, and wellness tech, having shipped products at Fitbit, Toast, Chewy, and Best Buy. Based in Greater Boston, he blends hands-on engineering with freelance consulting stints that show an entrepreneurial, adaptable approach to problem solving. His background includes QA tooling and test engineering work that informs a practical focus on reliability and developer productivity. Currently training for his next move, he brings a playful, high-energy persona and a taste for unconventional creativity that often surfaces in how he approaches technical challenges.
11 years of coding experience
Github Skills (6)
testrail5
roguelike5
micro-framework1
subview1
fitbit1
pattern1
Programming languages (5)
Github contributions (5)
john-holland/OpenJK
Dec 2022 - Feb 2026
Community effort to maintain and improve Jedi Academy (SP & MP) + Jedi Outcast (SP only) released by Raven Software
Contributions:1 PR, 2 pushes in 3 years 1 month
effortjedigameravenlinux
john-holland/roguescroll
Jan 2015 - Nov 2016
A scrolling roguelike.
Contributions:31 commits, 2 PRs, 26 pushes in 1 year 10 months
roguelike
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