Guillaume Mérindol is a Senior Engineering Director based in Paris with a decade of experience building scalable payment systems and ML-driven tooling that directly increased merchant revenue by over $2 billion. A computer scientist by training and self-taught data scientist, he co-founded ProcessOut (acquired by Checkout.com) and now leads the Payment Performance pillar, blending hands-on engineering, proprietary ML, and product thinking to maximize transaction approvals and yield. He excels at balancing engineering quality, delivery velocity, and customer impact, and has repeatedly turned research-grade algorithms into production services. Outside of core work he enjoys advising startups and translating complex payment and fraud challenges into understandable, measurable outcomes.
10 years of coding experience
9 years of employment as a software developer
OIB S (English), OIB S (English) at CSI Lyon
Online Course, Machine Learning, Online Course, Machine Learning at Coursera
Exchange, Business Administration and Management, General, Exchange, Business Administration and Management, General at Université du Québec à Chicoutimi
Contributions:7 releases, 7 PRs, 34 pushes in 3 years 1 month
golangclient-librarygo-clientgobraintree
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Guillaume Mérindol - Senior Engineering Director at ProcessOut