Jeff Teunissen
Co-founder at Sidestep Project
Hudsonville, Michigan, United States
Summary
👤
Senior🎓
Top SchoolJeff Teunissen is a seasoned technologist and co-founder with 25 years of hands-on experience building and stewarding long-running projects like Sidestep and Backbone from his base in Hudsonville, Michigan. A self-described super geek, he dives deeply into new technologies until he can meaningfully improve them, blending practical systems troubleshooting with product-focused project leadership. His background ranges from field service diagnostics to project co-management at QuakeForge and running small enterprises, giving him a pragmatic, end-to-end view of engineering and operations. Jeff also brings an uncommon mix of domestic project management—childcare, carpentry, and household logistics—which informs his collaborative, get-things-done approach to startups and open projects.
25 years of coding experience
Associate of Arts (AA), Mathematics, Associate of Arts (AA), Mathematics at Grand Rapids Community College
Github Skills (23)
sed10
coco10
assembler10
swig10
gcc9
grep9
lisp-interpreter9
operating-system9
backend9
680009
compiler8
appkit8
linux8
z808
objective-c7
Programming languages (3)
Github contributions (5)
Deek/CoCoC
May 2019 - Jan 2023
C development system for (Nitr)OS9/6x09, with source
Contributions:2 reviews, 236 commits, 87 pushes in 3 years 8 months
linuxnitrswiggcctandy
Deek/libs-gui
Jul 2018 - Apr 2022
Contributions:1 push, 1 branch in 3 years 9 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.