Guillaume Cummings is a Senior Software Engineer based in Quebec City with a decade of experience building user-focused systems across insurance, fintech, and government sectors. He currently helps drive product and engineering work at Zinnia (formerly SE2) after contributing to Breathe Life and earlier full-stack roles at Nexapp, iA Groupe financier, and Revenu Québec. Comfortable across the stack, he focuses on practical, maintainable solutions that improve people’s day-to-day workflows and business outcomes. A conference regular and avid discussant, he brings curiosity and a collaborative mindset to technical debates and team learning. Outside work he’s a boardgame enthusiast and dog lover who values strong social connections—qualities that shape his approach to teamwork and user-centered design.
10 years of coding experience
10 years of employment as a software developer
DEC, Computer Science, DEC, Computer Science at Cégep Limoilou
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Guillaume Cummings - Senior Software Engineer at Zinnia (formerly SE2)