Sébastien Gignoux
Senior Product Manager at PayPay Corporation
Kyoto, Japan
Summary
👤
Senior🎓
Top SchoolSébastien Gignoux is a Senior Product Manager with eight years of focused experience turning technical complexity into customer-facing hardware and software products across startups and large enterprises. He blends hands-on prototyping in Python, Go and HLS C++ with strategic product leadership—from founding startups and shipping MVPs to shaping roadmaps at PayPay and delivering AI-driven accounting SaaS acquired by Visma. Notable achievements include a 276x speedup on critical risk calculations at Fermat and halving accountants’ time-to-value at Inqom, reflecting a knack for measurable impact. Comfortable at the code, team and board levels, he has launched products in the US, France and Japan and is fluent in English and French with working Japanese. Based in Kyoto, he pairs rigorous product thinking and computer-architecture fluency to solve real-world problems across publishing, fintech, FPGA acceleration and mobile payments.
8 years of coding experience
18 years of employment as a software developer
Master of Science (M.S.), M.S. in Computer Science at the École des Mines de Nancy, Master of Science (M.S.), M.S. in Computer Science at the École des Mines de Nancy at Ecole Nationale Supérieure des Mines de NancyResearch student in Artificial Intelligence, Research student in Artificial Intelligence at The University of AizuEntrepreneurship/Entrepreneurial Studies, Entrepreneurship/Entrepreneurial Studies at Founder Institute
English, French, Japanese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (3)
perl10
database-access10
filemaker10
Programming languages (1)
Github contributions (5)
sgignoux/sicp-solutions.net
Sep 2018 - Oct 2022
Used to be codology.net
Contributions:22 commits, 12 PRs, 129 pushes in 4 years 1 month
filemakerc-sharpdatabase-accessperl
sgignoux/hugo-book
Sep 2020 - May 2024
Hugo documentation theme as simple as plain book
Contributions:5 pushes in 3 years 9 months
hugohugo-documentationdocumentation-themeplainhugo-theme
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