Summary
Jonathan Demelo is a mobile software developer and Ph.D.-trained UX researcher who blends 13 years of engineering, design, and R&D leadership to build human-centered products in health and complex domains. As founder of Weighzy he designs and ships cross-platform React/React Native apps with interactive visualizations, live data, internationalization, and security-first practices while mentoring teams and driving user research. He has deep experience translating academic UX methods and machine-learning prototyping into production-ready features from his long tenure at Insight Lab and Western University, where he also managed and taught large student development cohorts. A practical polyglot in product roles, Jonathan has hands-on open source pedigree dating back to Google Summer of Code with Mozilla and multiple university open-source projects. He’s based in Ontario, Canada and is motivated by solving hard problems at the intersection of visualization, health, and human-centered interaction.
13 years of coding experience
8 years of employment as a software developer
Doctor of Philosophy (Ph.D.) Computer Science, Doctor of Philosophy (Ph.D.) Computer Science at Western University
Ontario Secondary School Diploma University-Level Courses, Ontario Secondary School Diploma University-Level Courses at Mother Teresa Catholic Secondary School
English, French, Portuguese