Nicolas Garnier is a product leader and founder with 11 years of experience building and scaling developer- and SaaS-focused products, most recently founding Weave—an AI-first startup that reimagines technical documentation and raised $1M in pre-seed funding from Primary Venture Partners. He has a proven track record growing ARR and product teams, notably scaling Mailjet from $10M to $50M as Head of Product and driving pricing and feature-led growth at Sinch Mailgun. Nicolas blends hands-on engineering empathy—he’s a longtime contributor to MJML, the popular responsive-email framework—with strategic GTM and operations expertise across pre-seed to Series B startups. Based in New York, he combines developer advocacy, product strategy, and startup operating experience to launch commercial-ready features and integrations that reduce churn and unlock new revenue. An early organizer of developer communities and a traveler-turned-photographer, he brings creative problem solving and cross-cultural perspective to product and growth challenges.
11 years of coding experience
10 years of employment as a software developer
Échange universitaire Business Marketing & Finance, Échange universitaire Business Marketing & Finance at Beijing Normal University, Zhuhai
Preparatory Classes for Business School, Preparatory Classes for Business School at Lycée Henri Poincaré
Master's degree in Management Management of Digital Business & Information Technology, Master's degree in Management Management of Digital Business & Information Technology at Audencia
MJML: the only framework that makes responsive-email easy
Role in this project:
Front-end Developer
Contributions:13 releases, 136 commits, 21 PRs in 4 years 4 months
Contributions summary:Nicolas primarily contributes to the MJML framework, focusing on improving the validator, and fixing potential errors within the code. They updated the error messages for invalid attributes and children. These changes include the addition of `ChildComponent.tagName` within error messages for enhanced debugging and validation. The user also modified example code and fixed a CLI message.
A package to convert a MJML template from XML syntax to JSON
Contributions:8 commits, 3 PRs, 7 pushes in 3 years 6 months
to-jsonxmlmjmljsonmjml-template
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Nicolas Garnier - Senior Product Manager at Canary Technologies