John Difini
Chief Technology Officer (CTO), Retirement Services at Retirement Technology User Group (RTUG)
Golden, Colorado, United States
Summary
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Senior🎓
Top SchoolJohn Difini is a seasoned technology leader and CTO with over 24 years of experience building high-throughput, fault-tolerant systems and scaling distributed engineering teams across multiple countries. Currently overseeing 30 engineers and contractors in retirement services, he blends hands-on architecture and infrastructure experience with a strong product sensibility focused on delightful UI/UX and customer-focused roadmaps. His career spans low-latency C/C++ systems at trading firms to modern cloud migrations and API-driven platforms, and he consistently prioritizes hiring ambitious, creative talent and empowering autonomous teams. A lifelong learner who blogs about tech leadership and company culture, he brings a practical mix of financial-systems rigor and design-minded product thinking to every technical strategy he leads.
10 years of coding experience
24 years of employment as a software developer
B.S.E. Biomedical Engineering, B.S.E. Biomedical Engineering at University of IowaMayfield High School
Stackoverflow
96reputation
3kreached
4answers
1question
Github Skills (41)
mongoose9
expressjs7
rest7
api7
mongodb7
boilerplate7
data-feed6
rest-api6
nodejs6
stl6
yahoo-finance6
google-finance6
feed6
restful5
database-connector5
Programming languages (3)
Github contributions (5)
johndifini/javaAlgos
Oct 2016 - Mar 2022
Contributions:35 pushes, 1 branch in 5 years 5 months
johndifini/gdrive-uploader
Feb 2020 - Feb 2020
Contributions:18 commits, 17 pushes, 1 branch in 2 days
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