Donald Mckendrick
Chief Technology Officer at Closegap
Walnut Creek, California, United States
Summary
👤
Senior🎓
Top SchoolDonald Mckendrick is a seasoned technology leader and current CTO with 13 years of experience building scalable, user-focused web products across education, health, and nonprofit sectors. He co-founded and scaled Quill.org from 10k to over 1.5M users, led ML-driven features like a sentence-fragment detector, and has a proven track record raising grants and shipping production systems. Comfortable hands-on across the stack, Donald has deep Ruby on Rails and React experience, practical ML work with TensorFlow, and a penchant for typed Ruby (Sorbet) and robust test automation. He’s driven product-critical launches at the Chan Zuckerberg Initiative and applied ML to operational workflows at One Medical, blending engineering leadership with data-informed product decisions. Alongside executive roles he experiments with indie game development, crafting educational games and a spiritual successor to Final Fantasy VI, showing a creative edge beyond enterprise delivery. Based in Walnut Creek, CA, he pairs a scientific background (MChem) with a founder’s pragmatism to turn complex problems into usable systems.
13 years of coding experience
12 years of employment as a software developer
Lossiemouth High SchoolHeriot-Watt University Edinburgh Campus
German
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (74)
ruby10
edtech10
javascript10
hotel-booking10
languagetool10
js10
crud10
admin10
quill10
rails10
learning-management-system10
codebase10
mono10
react10
crm9
Programming languages (8)
Github contributions (5)
ddmck/Empirical-Core
Sep 2015 - Aug 2016
Contributions:182 pushes, 54 branches in 10 months
apipartydjangoactivities3rd-party
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